Ex Librit O. K. OGDEN THE LIBRARY OF THE UNIVERSITY OF CALIFORNIA LOS ANGELES A 1 vvw EVOLUTIONARY PHILOSOPHY AND COMMON SENSE EVOLUTIONARY PHILOSOPHY AND COMMON SENSE BY THE REV. JOHN GERARD, SJ. AUTHOR OF ' SCIENCE AND SCIENTISTS," " SCIENCE OR ROMANCE ? " ETC SECOND EDITION LONDON CATHOLIC TRUTH SOCIETY 69 SOUTHWARK BRIDGE ROAD, S.E. 1904 Q.H CONTENTS PAGE "THE COMFORTABLE WORD 'EVOLUTION'" . . .1 THE FOUNDATIONS OF EVOLUTION . . . I? THE MECHANICS OF EVOLUTION . . . . -29 EVOLUTION AND EXACT THOUGHT . . . .41 AGNOSTICISM IN THEORY AND PRACTICE . . -57 EVOLUTION AND DESIGN . . . . . -73 UN-NATURAL HISTORY . . . . . .97 11)26104 "THE COMFORTABLE WORD 'EVOLUTION'"* IT is much to be wished that some of our scientific men, or of that section to whom the title is commonly attributed, would publish a glossary of the terms they employ, with the exact meaning to be attached to each ; for thus would be avoided much vain beating of the air and many a game of cross purposes, from which at present there appears to be no escape when an outsider ventures to discuss the subjects of their predilection. What, for example, are we to understand by the word "Evolution"? We are constantly assured that, whatever else may be dark and doubtful, " Evolution " is an indis- putable fact ; this mode of accounting for it, and that, and the other, may indeed be unsatisfactory and improbable but, for all that, the question as to whether Nature has worked through " Evolution " has long since passed beyond the phase of discussion among scientific thinkers ; t the Darwinian system of Natural Selection is sinking more and more below the range even of hypothesis, while Evolution itself is almost beyond the range of doubt. " The theory of descent is safe," declares Professor von Hartmann, " but Darwinism has been weighed and found wanting." J It is obvious, however, that to the term " Evolution " very different significations may be attached. It is unques- tionably by a process of " Evolution " that an oak comes * Lord Salisbury ; Address to British Association, 1894. t Nature, September 10, 1891. \ Annalen der Natur philosophic > vol. ii. (1903). I. B 2 " The Comfortable Word "Evolution" from an acorn, a butterfly from a caterpillar, or both from an egg. When we say that there has been " Evolution " in nature, are we to understand Evolution of this kind, the only kind whereof we have practical experience ? Are we to say that one life-form produced another, inevitably and because " it was its nature to," as the seed produces the plant? Or, are we rather to say that there was no pre- determination in the original forms of life towards one development rather than another, and that extrinsic causes have governed the production of those we now observe? It is obvious that the two things are not the same ; they are, in fact, as different as possible. On the one supposition, given the original form, Evolution is secured, just as we secure salmon or trout for a river by getting the ova ; the after-development being as much part and parcel of an organism as the initial state. But in the other case the original form has no more tendency to become anything else than has the ore in an iron-mine to become a steam- engine ; if it is to do so, it must be wrought on by forces altogether independent of itself. We may style the one or the other process " Evolution," but does it serve any useful purpose to turn the word loose on the world till we have determined which it means? To say that "Evolution" is established, but that we have no knowledge as to the mode in which it has been worked, is merely to declare, after the manner of the king's astrologer in the ballad, our power to divine that something has occurred, but not what that something may be. It will doubtless be answered that we know the fact of Evolution by evidence altogether independent of the pro- cess which has ruled it. We find in life-forms a certain orderly gradation of types, one pointing to another, like footprints in sand ; and, as from such footprints we can assure ourselves that a man or animal has passed that way, can learn what has been the course of the march of life. But the point to remark is, that in the one case we know of a force that can cause motion from point to point, and in the other we do not. We must know that creatures walk before understanding the meaning of their tracks. " The Comfortable Word 'Evolution'* 3 Mere sequence does not necessarily imply connection. We have amongst crystals, for example, a wonderful progression of forms, the same general type being worked up, in the case of different elements, to greater and greater com- plexity. It has been observed by Mr. Ruskin,* that if crystals were endowed with the power of reproduction, we should be taught to conclude that those of galena, gold, and oxide of iron were developed from a common ancestor, because they are all octohedric ; and we should certainly be tempted to argue that the extreme complication of con- struction exhibited by certain crystals, requiring a portentous terminology to describe,! must have been arrived at through the simpler figures upon which they are based. But, as crystals do not breed, we know this not to be the case, and that whatever be the true explanation of their phenomena, it is not Evolution : the basis of our judgment being the obvious absence of any force or cause capable of bridging the interval between form and form, and so leading from one to another. So long as there is nothing to do this, it matters not how much alike these forms may be, nor how well graduated a series they compose ; develop- ment does not explain their production. In the case of living things we are not certified of the absence of such a force, and therefore may conceive of development as possible ; but till we are certified of its presence, we cannot be sure that development there has been. To be justified in proclaiming it as established, we should therefore be possessed of some certain knowledge as to the mode in which it has been operated. To take another instance. The truth of Evolution is frequently assumed on the strength of the existence of what are called " rudimentary," or " vestigial " organs organs, that is, so minute or incomplete as to be of no use what- ever to their possessors. The only explanation of their existence, we are assured, is that the possessor's ancestors had and used the same organs in their full form, but that * Love's Meinie, p. 56. t As the Tetrakisdodecahedron, Hexakisoctohedron, or Icositetra- hedron. 4 " The Comfortable Word ' Evolution in course of time change of habits and conditions having thrown them out of work they have dwindled away, existing now as a mere trace of the past. This is doubtless a possible, we may even say a plausible, explanation : but is it the only explanation that can exist? To say that it is so, we ought to be possessed of a very thorough knowledge of the processes and principles of Nature ; in other words, we should be sure that we understand how the life-forms in question have been produced, the very problem we are attempting to solve. That we possess no such knowledge is evident. We allow ourselves the widest possible latitude in framing explanations of what we see, declaring, for example, that the sole explanation of the complicated adornments of a peacock is the superior attractiveness he thereby gains in the eyes of pea-hens, though we have no evidence at all that their judgment in such matters agrees with ours ; and equally pronouncing the warts on the face of a baboon to be decorative adjuncts, though appearing to us disfigurements. We satisfy ourselves with such ex- planations because no others are forthcoming, conceiving their validity to be thereby proved. In spite, however, of this facile mode of procedure, there are cases, not a few, where we cannot even imagine an explanation, and this in the case of organs not rudimentarily but fully developed. Such an instance is afforded by the strange and complicated shields borne on the heads of certain working ants, the use of which is an absolute mystery. Who has any idea of the practical utility of the spots and stripes wherewith some caterpillars are adorned, which cannot justify them- selves on the ground of sexual attraction as they do not breed in that stage; or of the tuft of hair on a turkey's breast ? It would therefore appear, to come back to the original point, that until we know something of the manner in which the present state of life has been brought about, we can mean nothing particular in talking about " Evolution," and it is not worth while to talk much about it without a meaning. Yet, as has been said, writers are found in plenty to imply, if not to declare, that not knowing what " The Comfortable Word ' Evolution'" 5 the process has been, or what forces have been at work, we can yet be scientifically certain of the fact of " Evolu- tion." They speak as if the word had a strict and definite meaning, and are impatient of any hesitation as to its acceptance, allowing no explanation of such hesitation save unscientific bigotry. Thus, as has been well observed with regard to rudimentary organs, they not only suggest an explanation, but proceed to declare it to be the sole ex- planation possible, and if any one demurs, they accuse him of dogmatizing. They go in fact much further, and assume that in admitting " Evolution " we have to admit a great deal about its secret history, whereof they have professed to claim no knowledge. The word, as we have seen, would apply to a process of development from a germ pre-ordained to develop ; and it is obvious that such pre-ordination is at least compatible with the idea of a pre-ordaining mind. But " Evolution " being taken as granted, we are straight- way led off on lines of argument resting on the supposition that the notion of Design is now finally disposed of, that " Evolution " must mean an automatic and unintelligent process, subject to none but material laws. It may, in fact, be suggested that if we wish to under- stand what " Evolution " may signify, no example will be so instructive as that of the term itself. Until the period of Mr. Darwin's appearance, although the relationships of living things one to another were fully recognized at least in their broader features which is, indeed, the basis of any "natural" system of classification, the idea that community of descent furnished the explanation was not adopted, simply because there appeared to be no means by which transformation could have been effected. Mr. Darwin came, with his theory of Natural Selection, claiming to supply this deficiency, and to show that there was a force in nature capable of doing what was needed by changing one species into another. His system, elaborated with much ingenuity and immense industry, appeared so satisfactory that the conclusion was widely and enthusiasti- cally adopted that he had succeeded fully in his attempt, 6 " The Comfortable Word ' Evolution ' ' and made clear what had hitherto been dark : " Evolution" being now accepted as proved, not because of the pheno- mena previously known, but on account of the meaning put upon these phenomena by him. Time went on, and further investigation has been unfavourable to these first conclusions ; serious objections have presented them- selves, difficulties have accumulated, till now, as we have been told, the Natural Selection theory has sunk beneath the rank even of an hypothesis. Meanwhile, no other theory that has been proposed to take its place has suc- ceeded in obtaining any acceptance, even provisional, at all comparable with that which Darwinism once received ; so much so that this system has never been dethroned in the popular imagination, simply from the want of a substitute, it being still commonly supposed that the " Evolution " theory and the "Natural Selection" theory are one and the same, and the belief in the former is based on the argu- ments of Mr. Darwin. It thus appears that the grounds on which the doctrine of "Evolution" originally rested have disappeared, and that we are just where we were before Mr. Darwin published his Origin of Species. To recur to an illustration already employed, we may indeed in the meantime have discovered numerous fresh footprints in the track, but are as far as ever from knowledge of a force capable of taking a single step. Yet, while this is so, it seems to be assumed that the value of the final conclusion is nowise impaired, and that the validity of the " Evolution " theory is quite in- dependent of that of the other theory whereon it was originally founded. The Darwinian hypothesis is made, in fact, to do the work which a nest does for a young bird, who requires to be sustained by "it for a time, but presently spreads his wings and soars away self-supported, serenely indifferent to the fate of his early cradle. There has thus been effected a complete change of front in the evolutionary army. Their original position was this : "We believe in Evolution, because Mr. Darwin's theory, which is a theory of Evolution, explains the phenomena : " whereas now they say, " We believe in ' Evolution ' because " The Comfortable Word 'Evolution'" 7 of the phenomena, though unable to construct a theory which shall explain them." Considerations such as these afford at least some justifi- cation for the attitude of those who ask for fuller informa- tion before they pin their faith to the popular creed ; and, unless it can be shown that the state of the case has been here wrongly exhibited, other motives than unreasoning bigotry may account for the position they assume. They wish to know what it is precisely that they are asked to believe. They do not wish to accept the doctrine con- tained in a word capable of many meanings, without knowing which of these is to be attached to it, and why it is to be accepted ; not because of such acceptation to find themselves involved in a system of beliefs resting on nothing more substantial than the unsettled nature of the terminology employed. Our review of the situation would, however, be incom- plete without further inspection of the evolutionists' position according to themselves, and of the line of argument on which they would justify their unshaken belief in their cardinal dogma, despite their forced abandonment of the substructure on which it originally rested. The chain of progression in organic life, from lower to higher types, is, they say, undeniable. Whatever be the forces at work in organic nature, it is evident that as a matter of fact those forms were first produced wherein the various organs were less developed, and gradually through many stages of de- velopment its fullest perfection has been reached. Such facts naturally suggest the evolution of one form from another, although we have not yet discovered how that evolution was effected. The marks in the sand bear so unmistakably the stamp of connection that we must per- force link them together, and we can do so only in this manner. On any other hypothesis than that of " Evolu- tion," the orderly succession of families, genera, and species is altogether meaningless, while "Evolution" explains it all: "Evolution" is therefore truly scientific as Professor Marsh has said, " To doubt it is to doubt science." Now, although, as I have been contending, such an 8 " The Comfortable Word ' Evolution "' argument leaves much to be desired on the score of logical cogency, it undoubtedly appeals strongly to the imagination, and it will therefore be well, prescinding from the previous question of ways and means, to meet it on its own ground and inquire what, so considered, it is worth. What of the succession of life-forms upon the earth ? How does its history, so far as we know it, bear out the doctrines we have heard laid down ? The means of answering these questions are supplied by the late Sir J. W. Dawson in his little book Modern Ideas of Evolution ; * wherein we shall find in convenient form, and with the sanction of competent authority, facts enough for our present purpose. In the first place, then, we have to begin by assuming the existence of life. On this, the foundation-stone of the whole edifice, Evolutionists do not claim to throw any light. Life, their ablest representatives strenuously declare, can come only from life. Life, on the other hand, by the testimony of the rocks, has not always been upon the earth. It had a beginning, but about that beginning science has no word to say. It may well appear that this deficiency vitiates all possible value in her after-conclusions, for the force producing life must surely have something, if not everything, to do with all its further developments. This, however, is not our question now : we must, with those whose doctrines we are considering, take things as we find them, and proceed to inquire how far the history of Life as we know it accords with the assertion that the " Evolution " theory alone explains the facts. In the first place, what of the alleged fact that life began on earth with the simplest forms, and has gradually mounted to greater and greater complexity, from a single generalized organ performing many functions in a less perfect manner, to a multitude of organs, each specialized for the due per- formance of one ? Broadly speaking, we find this to be true, but that there is a most important qualification to be made. The first discovered forms of life were of low grades, indeed, but of high and perfect types within those * London : The Religious Tract Society. "The Comfortable Word ' Evolution' " 9 grades ; * that is to say, they were forms to reach which a long process of development would be required. And similarly of the first specimens of the various tribes and families which have succeeded. With regard to the plants of the coal period, Sir William Dawson tells us : t " The land was clothed with an exuberant vegetation, not of the lowest types nor of the highest, but of intermediate forms, such as those of the pines, the club-mosses, and the ferns, all of which attained in those days to magnitudes and numbers of species unsurpassed, and in some cases un- equalled, in the modern world. Nor do they show any signs of an unformed or imperfect state. Their seeds and spores, their fruits and spore-cases, are as elaborately con- structed, the tissues and forms of their stems and leaves as delicate and beautiful, as in any modern plants. Nay more ; the cryptogamous { plants of this age show a complexity and perfection of structure not attained to by their modern successors." In like manner with regard to animals : " The compound eyes and filmy wings of insects, the teeth, bones, and scales of batrachians and fishes ; all are as perfectly finished, and many quite as complex and elegant, as in the animals of the present day." Neither is it true to say of these that their earliest representatives represented their lowest orders : for instance, || "Fishes appear, and soon abound in a great variety of species, representing types of no mean rank. . . . On the land batrachian reptiles now abound, some of them being very high in the sub-class to which they belong." At later periods of the geological chronicle the same sort of story is repeated. At one time it is broad-leaved forest- trees that enter upon the scene,ir altogether different from those of the previous chapter : at others lizard-like reptiles, birds, and mammals, each stamped at its first coming with the essential characteristics of its class as we know it to-day, so that " it is impossible, except by violent suppositions, to connect them genetically with any predecessors." But still * Modern Ideas of Evolution, p. 93. t P. 99- \ ?.e., flowerless. Ibid. || P. 98. IT P. 100. io " The Comfortable Word 'Evolution'" more important is it to note the mode of appearance of each succeeding class. On the " Evolution " hypothesis, a new type of life should make its appearance but gradually, and as it were tentatively. Mr. Darwin could not believe that the complex coincidences of many circumstances needed for the production of a new species could occur twice over, and so held that a species once extinct must for ever remain so, the icxact causes which had originally produced it never recurring. Therefore the members of each group of allied forms must, he tells us, have sprung from some one progenitor.* According to this, a new form should have been propagated from the first representatives, elaborated by development, spreading gradually from the centre where these had appeared, to occupy other regions. But, as we read it in the rocks, this is not the account of the matter : on the contrary, " Many new forms appear to have been introduced at one time and apparently suddenly, \ entering upon the scene 'abruptly and in large numbers.'" Such is the case with ferns, club-mosses, horse-tails, and later on with the more perfect fruit-bearing trees; and among animals with corals, lamp-shells, crinoids, amphi- bians, reptiles, and mammals. Thus in what is known to geologists as the Cambrian age we obtain "a vast and varied accession of living things, which appear at once, as if by a sudden and simultaneous production of many kinds of animals,"J the sea swarming with creatures near akin to those which still inhabit it, and nearly as varied. Again, in the latter half of the Palaeozoic period "we find a number of higher forms breaking upon us with the same apparent suddenness as in the case of the early Cambrian animals " : fishes appear, batrachian reptiles, scorpions, spiders, insects, millipedes, and land snails ; and this not in one locality only, but over the whole northern hemisphere. || So we proceed to the Mesozoic, or secondary rocks, with their * Origin of Species, p. 303. It may be remarked that he should have said, "from one/a/Vof progenitors," each member of which would have had to be independently developed to the same pattern. t Modern Ideas of Evolution, p. 93. \ Ibid., p. 97. Ibid., p. 98. |i Ibid., p. 99. Comfortable Word ' Evolution" n dominant reptiles, where also birds and mammals first leave their trace ; and to the Kainozoic, or Tertiary, where mammals displace the reptiles as the ruling class, and show themselves in infinite multiplicity of species. " So greatly indeed did mammalian life abound in this period that in the middle part of the Tertiary most of the leading groups were represented by more numerous species than at pre- sent, while many types then existing have now no repre- sentatives." * It is quite true that Mr. Darwin, who could not but see the difficulty thus raised, has set himself to answer it. He tells us f that we continually over-rate the perfection of the geological record, and that, imperfect as it is, types ot plants or animals may well have existed long before we can find evidence of the fact. Moreover, that we do not make sufficient allowance for the enormous times covered by each of our geological periods, so that there may have been an ample sufficiency for the gradual production of forms which appear to us to have been sprung suddenly upon the world. These pleas deserve full consideration but, whatever their value, it has still to be confessed that it is not the facts of geology which inculcate upon us the truth of " Evolution," but, rather, those facts, so far as we know them, have to be explained away in favour of that theory. Nature, so far as we have explored her records, knows as little of the manner in which, according to the evolutionary system, her various life-forms ought to have come on the stage, as she does of the melting of one form into another, not observed facts, but what Sir J. W. Dawson calls "violent suppositions" being in each case the basis of operations. Considerations no less important connect themselves with the question of time, on which subject, to judge from the utterances of the highest scientific authorities, there is still the most bewildering uncertainty. Evolutionists were long accustomed to treat the bank of Time as practically un- limited in its resources, and so drew upon it without scruple for millions and thousands of millions of years, wherein the * P. 101. t Origin of Species, p. 303. 12 " The Comfortable Word 'Evolution'" transformations required by their system might have been effected ; and the " enormous intervals of time " spoken of above by Mr. Darwin had always played an important part among the postulates of his school, the evidence for their existence being mainly derived from the formation of our various rocks and the rate at which, according to the or- dinary laws of nature, they may be supposed to have been deposited. There are, however, other modes of attacking the problem, and these afford a very different result. It is several years since Lord Kelvin startled the scien- tific world by the announcement that, as the result of calculations based upon three distinct lines of investigation,* all geological history must be limited within a maximum of one hundred million years. This was a mere fraction of the period required for evolutionary purposes, but more recently the same authority has found reason still further to reduce it by eighty per cent., now allowing but twenty million years at most for geological purposes. In this state of things it is hard to arrive at fixed and definite opinions on this all-important point, and the state of mind is surely excusable which elects to await fuller information before declaring a system to be indubitably proved, which requires for its justification, an allowance of time in the past practically unlimited. But, although thus unable to compute our time, with any certainty, in terms of years, we can form a tolerably accu- rate notion of the relative length of geological periods, com- paring each with the sum-total of them all. This relative computation opens up sundry questions both interesting and important, whereof one may be taken as a typical example. To the objection urged by anti-evolutionists that we do not find in nature, either living or fossil, the intermediate forms required to link species, genera, and families together, two answers have been given. The first of these we have already heard, namely, that the geological record is so im- perfect as to make its silence by no means conclusive. But it is further maintained that in certain cases we actually * Viz., the action of the tides upon the earth's rotation, the age of the sun, and the temperature of the interior of the globe. " The Comfortable Word ' Evolution" 13 have discovered the forms wanted, the links here being no longer " missing " but "found," and on the analogy of these we are invited to believe that fuller knowledge would remove the difficulty in other cases. Of the creatures for which it is claimed that an actual pedigree has thus been supplied none has been made more prominent than the horse. "Of course," says a popular writer,* "everybody knows the wonderful pedigree of the horse and donkey family," and in any work that undertakes to demonstrate " Evolution " we are pretty sure to find a plate representing the comparative anatomy of the various discovered forms, leading gradually up to that with which we are so familiar. The instance is indeed for evolutionary purposes almost an ideal one. The earliest discovered animal in the series was about the size of a fox, had four distinct toes, and even the rudiment of a fifth ; the creature, even at this early stage, having already begun, in the words of the author last cited, "to develop towards the distinctive peculiarity of his race the solid hoof, adapted to free scouring over open grass- grown plains." t After him comes another, rather larger, with four toes only, and then a third, the size of a sheep, with but three, whereof the central is distinctly the largest, portending the ultimate absorption of the others. Then we come to a species which has attained the dimensions of a donkey, with one stout middle toe, much like a modern horse's hoof, and a lateral toe on each side, which does not reach the ground this arrangement being supposed to be adapted for soft and swampy ground. Finally, the full- blown horse himself has a single solid hoof, but retains in his splint-bones a vestige of these his last-lost toes. The chapter is undoubtedly a most interesting one in the history of animal life, but before we are asked to put upon it the meaning for which evolutionists contend, there are sundry important considerations to be weighed. In the first place, the forms of which we have spoken, though composing an interesting and tolerably consecutive series, appear certainly not to have been the ancestors of our actual horse. It is in the New World that we find remains * Mr. Grant Allen, Vignettes from Nature, p. 191. f Ibid. 14 "The Comfortable Word 'Evolution" of the animals above described {Eohippus, Orohippus, Meso- kippus, etc.), and, if these evolved into a horse at all, it was into the aboriginal horse of America, extinct long ago, for the horses now found on that continent are all descended from animals imported from Europe. The genealogy of the extant horse has to be sought in quite a different line, being traced back to a much less promising source, the Pal a creature which would seem to have closely resembled the modern tapir.* Of the American horse, fossil remains have been discovered, and there can there- fore be no doubt that any evolutionary process must con- nect with him the less perfect forms which America has produced. At the same time, as Dawson remarks, it is equally certain that had we not known of the American animal, these lower forms would have been unhesitatingly claimed as ancestors for ours. "This simple considera- tion," he adds, I " is sufficient to show that such genealogies are not of the nature of scientific evidence." The horse, in fact, " has too many imaginary ancestors." The American horse suggests another perplexing ques- tion. Traced, as we have seen, to a line of ancestors totally different from those of our genus Equus, he has all the essential characters of that genus. Accordingly, as Dr. Mivart remarks, it would appear that " Evolution " must be conducted on principles the very reverse of those generally assumed, not the starting-point, but the term to be reached ruling development, and diverse lines of organic structure being conducted to meet in one point. All this, however, although too important to be altogether neglected, is but incidental to our main point, which is concerned with the question of geological time. For evolutionary purposes it is not enough that the American horse should have been developed from the tiny * This fact is quite lost sight of in many popular works on the evolu- tionary side, as those of Mr. Clodd, Mr. Grant Allen, and Dr. Andrew Wilson, from which it would appear that the New and Old World forms compose but one series, and that the members of each are available to fill gaps in the other. t Modern Ideas of Evolution, p. no. "The Comfortable Word ' Evolution" 15 Eohippu s ; the latter should himself be developed from a long line of mammalian ancestors. For Eohipptis is an Ungulate and the Ungulate family have members and organs so specialized for their peculiar purposes that an enormous period of time must have been required to evolve them, as evolutionists suppose. The fore-limbs of a horse, for instance, are constructed out of materials of which we recognize the exact counterpart in the wing of a bat, the paddle of a whale, the paw of a tiger, or the hand and arm of man. Describing them in terms of the last, a horse does not walk on the palms like a bear or monkey, nor on the fingers only, like a cat or dog, but on the tips of his finger- nails. What we call his knee is really his wrist (just as his hock is the ankle), the portion of his "leg" thence to the pastern is his hand, and the hoof is the nail of the one big finger which has absorbed all the others. What a limitless period must have been needed to elaborate such a member, while, meantime, other creatures were modifying the same raw material for the purposes of flight, or swimming, or digging, or climbing, or as a weapon of offence ! At least ten times the space must have been required which was occupied in the comparatively simple process of changing one Ungulate animal into another. But for this essential operation the geological record allows no time at all. The succession of the strata wherein are pressed and preserved the remains of plants and animals has been clearly determined, and they are found to divide themselves, as it were, into three great volumes, laid one upon another, which, beginning from the oldest and lowest, are named Primary, Secondary, and Tertiary. It is only at the beginning of the Tertiary series that any trace is found of true or " placental " mammals, the class to which Ungulates belong, and from the common parent of which they have, as we are told, developed, and early in the same Tertiary volume Eohippus comes on the scene, hoofs and all, and with all the essential features of an Ungulate already acquired. Had he been evolved according to the theory we are discussing, the Secondary volume, and even the Primary as well, should bear witness to the 1 6 "The Comfortable Word ' Evolution" existence of a stock whence he might descend, and of other branches ramifying from that stock : for it has taken the whole of the Tertiary period to develop his decendants into horses, if such development there has been, the fossils of the latter animal being found only towards the end of the volume. This may, I think, be fairly taken as a sample of our experience, should we attempt rigorously to examine the cogency of those arguments by which " Evolution " is commonly held to be established. That they "prove" anything, understanding "proof "as science usually under- stands the term, can hardly be seriously maintained : till scientific proof be produced, to suspend our judgement should not be unscientific. THE FOUNDATIONS OF EVOLUTION IN the previous paper * I have endeavoured to show that the fashionable evolutionary creed labours under certain dis- advantages in the eyes of those who, not wishing to adopt a belief merely because it is popular, endeavour to form for themselves a clear idea as to what it is, and why it is to be accepted. In the first place, the terminology is vague and unsettled, so that it is impossible to say what it signifies. Moreover, so much has to be assumed without the pos- sibility of explanation or comprehension, as to deprive the system built on these assumptions of all scientific value. Finally, the proofs adduced in favour of Evolution are vague and inconsequent and do not bear close inspection. Prescinding, however, from all this, there remain other lines on which an inquiry into the claims of the Evolu- tionary theory can be conducted, and it may be worth our while at present to consider one of these. Let us altogether abstract from the biological or geological arguments brought forward by Evolutionists ; let us for the present suppose these to be as cogent as they are said to be ; let us shut our eyes to the difficulties which have been raised on the score of terminology and definition : taking the creed at its own valuation, and admitting its exposition of itself to be com- prehensible and satisfactory, we shall find ourselves still confronted by a problem of insoluble perplexity. * " The Comfortable Word' Evolution." " II. c 1 8 The Foundations of Evolution It must be borne in mind that " Evolution " claims to be not a fact merely, but a principle. Not only, as we are told, have beings of various kinds been actually evolved, one from another, but there is a law in " Nature" making such evolution imperative, which law is, indeed, supreme and paramount over all others, forcing them all to co-operate towards its own ends, and making its power felt in every department of the universe. Not only has there been organic evolution, producing the various species of plants and animals, but previous to this and preparatory for it there was inorganic evolution of the material world, while subsequently there has been, and still is, mental evolution of individuals and sociological evolution of collective man. Such is the essence of the new gospel promulgated by Mr. Herbert Spencer and incessantly preached and popularized by the multitude of his disciples. New it undoubtedly is, and if it be also true, there is abundant justification of the attitude of mental superiority assumed by its partisans in regard of all other schools of philosophy that have ever been. If this be indeed the great illuminating principle of the nature of things, and if all generations of men up to the present have not even suspected its existence, what is more obvious than that they have all been lost in Egyptian darkness, and that their speculations may without further ado be summarily dismissed as absolutely worthless ? It is no less clear that for a principle which makes such enormous claims there should be very solid grounds, and that like other fundamental truths it should be capable of imposing itself imperiously upon the mind. Though too blind to see it for ourselves, we ought, now that it has been discovered for us, to recognize its harmonious power, and, observing how it throws light where hitherto there had been but darkness, to be impressed with the assurance of its truth. If we would proceed to a fuller examination of the system which has been briefly outlined, it is undeniable that we may look to find it more clearly illustrated in the inorganic than in the organic world. Life is still even for the most accomplished biologists an acknowledged mystery. Of its The Foundations of Evolution 1 9 origin they confessedly know nothing; of its laws they know so little as to be quite unable, with any exactitude, to calculate their course. All that they can pretend to do is to verify the operations of these laws as they occur, and con- jecturally to construct a history for them in the past. But with the inorganic world it is otherwise. There, while the origin of the prevailing laws is utterly unknown, their operation is so clearly understood as to earn for the sciences that deal with them the title of "exact." The natural philosopher, the astronomer, the chemist, the electrician all deal with that which can be not only verified but foretold : knowing the circumstances, we know how matter will inevitably behave when placed in them ; how one body will fall and another rise, how planets will revolve and rotate, what chemical affinities will prove themselves more potent than others, how the needle will be deflected on the passage of an electric current. This being so, if there be any province in which we may reasonably expect to find the truth of Evolution unmistak- ably exhibited, it must be that of the material forces with which these exact sciences deal : here we should find it not in the shape of an induction more or less ingenious, and more or less vague, but reducible to a rigid formula, and demonstrable by the methods of mathematics. What is the fact ? Do we find in the material history of the world, as known to us, plain evidence of continuous and continual progress towards greater and greater per- fection, fraught with infinite possibilities in the future of ever-evolving life and power ? On the contrary : the pro- cess which we trace is one not of advance but of degra- dation, the term which we are able clearly to foresee is one not of indefinite expansion for the powers of nature, but of absolute extinction of them all ; while no less assuredly do we learn that the condition of things which has rendered possible all the multitudinous laws with which science deals is one for which no merely mechanical theory of Evolution can even attempt to account. To understand this we must go back to the beginning of things whence Evolution is to start. Confining ourselves 2O The Foundations of Evolution to our own system of sun and planets, we are told, and with every appearance of probability, that the original condition of the matter composing them was a vast " nebula " a sort of cloud or vapour wherein the countless multitude of atoms, now packed together in solid bodies, standing far apart one from another, as an enormous sphere more than seven thousand million miles in diameter, filled at least the whole space between the sun and the outermost of the planets, probably extending far beyond. In this condition, which we have to postulate in order to account for what follows, there is one element for which science can nowise account, and to which are due all those operations whereof she takes cognizance the position of the atoms far apart. Had they been close together the world that we know would never have been ; while to drive them apart a force is needed whereof we find absolutely no trace in physical nature. That the world should become the theatre of those mani- fold laws which we daily witness in operation, it was absolutely necessary that there should be available a store of power capable of doing the work required, just as to drive a mill by water-power we must have a reservoir higher than the wheel that is to be turned, or to make a clock go the weights must be raised, which in their descent are to supply motive power for the machinery. In these cases, and all others where the operations of nature are performed, we require first that bodies be placed in a condition different from that towards which their own inherent forces tend to bring them ; and it is the play these forces find in reasserting themselves that gives them the opportunity of acting. The water in the mill-dam or the weights of the clock have of themselves no tendency to do anything but descend, the action of gravitation causing all bodies to tend to approach one another, and these therefore to approach the earth. The force expended in putting them in an unstable position is thereby stored up, its exact equivalent being returned as they resume their natural position. Similarly when we bend a bow we forcibly alter its natural shape, and thus allow its elasticity to become available to propel the arrow. The Foundations of Evolution 2 1 When we fire a gun we let loose the constituents of the powder from the chemical combinations they have been made to adopt ; we do the like when we burn a piece of coal ; the immediate result in the one case being an expansion which furnishes propulsive power, in the other a supply of heat. The original situation of the particles composing the world at a distance one from another, was exactly analogous to that of the clock-weights when raised to their highest point. They were in an unstable position, in a position contrary to that whereto their own forces tend to bring them, and it is their constant running down towards that position that is the main and most essential factor in the work of Nature. Given motion we at once get heat, from the friction or impact of particles and particles. Given varia- tions of heat, we get change of chemical combination ; similarly we get electrical action : all, in brief, that we have in the way of active forces in Nature, we owe to the fact that the world was at starting in a condition to change itself by its own forces. That is to say, I repeat, it was in an unstable, and in what we may call an unnatural, con- dition ; its particles were placed where it would require enormous work to be done against gravitation to replace them in a position from which they have been inevitably departing and must invariably continue more and more to depart. In other words, the weights of the clock are continually running down. That is what I mean by saying that the process we find going on is one of degradation, for what is expended can never be recovered. Just as the weights of the clock cannot lift themselves to their first position, and the more work they do are less capable of further work ; just as we cannot twice fire the same powder or burn the same coal, so every exercise of the forces of Nature marks a diminution of the stock on which it is possible to draw. The sun, to take the chief example of all, is the great central engine of our planetary system, an engine of illimit- able capabilities. He it is that pumps our water supply from the oceans into the clouds, feeding our lakes and 22 The Foundations of Evolution rivers, and irrigating our fields. His rays it is that enable plants to grow, and to assimilate carbon from the atmo- sphere, binding it up in chemical combinations within their tissues for future use. It is because our coal-fields were once growing forests that they are able to furnish fuel ; and when we burn a piece of coal we do no more than let loose the energy stored there of old by the sun. So, also, all animal force is supplied, for either directly or indirectly we all subsist on grass, the ox and sheep directly, and those who eat beef and mutton through them as intermediaries. The enormous work thus done by the sun upon our globe is but an insignificant fraction of that which he is capable of doing, for only those rays do this work which happen to light on our tiny sphere, and it would require more than two thousand million earths, at our distance from him, to catch them all. The small portion of his power thus exerted upon us is, however, so potent that if the land and sea were covered with horses, one to every twenty-five square feet, their united efforts would just avail for the work he does ; while it is calculated that every square yard of his surface has a working-power equal to the steam of eleven of our largest ironclads. Still, vast as it may be, this power of the sun is but another instance of energy, requiring a cause to explain its existence, and diminishing as it is exerted. That the sun is hot is undoubtedly an effect of that original position of the particles of matter which we have been considering. It is clearly shown that the impact of large masses rushing together with great velocity or, which is more probable, the shrinkage of the mass amply suffices to explain the phenomena of solar heat, however wonderful. But wonder- ful as they are, the sun can no more than a farthing rush- light burn without being consumed. All this enormous store of energy which he so lavishly throws about space, has to be drawn from his capital ; and he is ever, of neces- sity, hurrying along the road that must inevitably terminate in total extinction. Neither is it possible that by conversion of the heat, which has originated as we have seen, back again to motion, The Foundations of Evolution 23 things can be restored to their original condition. From its nature heat is incapable of being fully utilized in this manner. Only that portion of it, or of any form of energy which does work can be used ; and to do work it must encounter a body to work upon. But being radiated in all directions, much heat never meets with such a body, but travels vaguely into space, and though never destroyed becomes for ever inoperative, and we have seen how immense a proportion of the sun's heat is thus squandered. Therefore, although from a given amount of motion we can obtain an exact equivalent of heat, we cannot from that heat get back the equivalent of motion. Heat has therefore to be fed at the expense of motion, which being destroyed, as motion, in producing heat, and never ade- quately restored in its original form, is constantly growing less and less throughout the universe. All motion that we know tends constantly to be thus translated into heat. Heat is therefore a most wasteful form of energy, and it is that which must inevitably supplant the others. Besides this, heat can do no work except between bodies of different temperature, and the inevitable result of its action, when left to itself, being to produce uniformity of temperature between bodies, it must when there is no more motion, or other form of energy, to feed it, render itself powerless to do work at all, and then, in the words of Professor Balfour Stewart, the universe will no longer be a possible abode for living things. Such, in very brief outline, is the doctrine that comes to us with the fullest authority of science, in connection with one of her latest and greatest discoveries, that of the law of the conservation of energy. Imperfect as so summary a sketch must be, it will perhaps suffice for present purposes and enable us to answer the question as to the claim of the Evolutionary theory to explain the history of the universe. Looking forward to the future, we see that even supposing Evolution to be at present a fact, this can at most be but a transitory phase of the world's history. So far from there being any promise of continuous and ever-progressive ascent from height to height of greater and greater Evolu- 24 The Foundations of Evolution tionary triumphs, there is no hope : Evolution and all its works must inevitably go down into the pit of the dead lifeless heavens and earth which science has enabled us to foresee, and towards which every exertion of the forces which alone make Evolution possible brings us appreciably nearer. Still more instructive is it to look backwards to the past. Let it be again repeated, the original condition of things, that on which everything depended, is one for which no theory of Evolution can account. No forces known to us in physical nature could possibly have produced that original condition : they could not even conserve it when it was given, and if they had left it as it was, the result would have been dead lifeless inactivity, exactly as that other condition to which we are tending. If the weights of the clock are drawn up but not allowed to descend, the result is precisely the same for the timepiece as if they had run down to their lowest, and, in like manner, it was only because there was matter so situated that it could be made to run together, and forces capable of making it do so, that the complex machinery of the universe was rendered possible. Nowhere, outside of poor Robert Montgomery's poem, did a stream ever " meander level with its fount," and the law which forbids such a feat is precisely that which has regulated the whole course of Nature, ordaining that course to be one of steady descent from the most advantageous form in which her constant sum of energy could exist, to other forms ever less and less capable of future work. In all this it is hard to discern the presence of Evolution, ruling from end to end and dispensing with the need of anything but itself to explain the totality of things. Yet such, be it remembered, is the claim set up on behalf of the new doctrine. Unless the " great law of Evolution " runs through everything, it is not what it pretends to be, and here in this department of science where more than in any other can precise conclusions be arrived at, we find its claims utterly discredited at both ends of the chain of life. The Foundations of Evolution 25 May we not unhesitatingly go further and say that what we do clearly learn is this : That there must have been from the beginning a power in existence, capable of doing all that had to be done in order to make "Nature" possible, a power differing from the forces of physical nature in being independent of accidental conditions for its effective exercise, not requiring to receive energy from another, nor spending it in its exercise a power to which must be ascribed every operation of Nature that we witness, as to the arm that wound it is to be attributed the going of the clock ? If we do not finally arrive at such a power as this, philosophy is no more than an endless game of hunt-the-slipper, and every system of cosmogony does but reproduce, under other names, the series of elephants and tortoises wherein Hindoo astronomy would find a support for the world. But if there be such a power, and if it be, as it must, one that could by no possibility be evolved, for it is the necessary pre-requisite of all processes, what more can Evolution be, if Evolution there is, than part of that system of law which flows from the condition with which the First Power ordained that the operations of Nature should start ? It will probably have occurred to the reader that not only in respect of the position in which the particles of the primitive nebula were placed, does the state of things postulated as a starting point by evolutionists demand explanation. Not only were the particles set wide apart against the force of gravitation, but the whole mass they composed was in motion, rotating upon its own axis with immense velocity. Whence came this motion ? Matter cannot move itself, for, as we know from the first of Newton's great laws, a body at rest will continue at rest for ever unless acted upon by some force. It is true that in order to meet the difficulty thus created by the inertia of matter, Voltaire's friend, Baron Holbach, boldly enunciated the principle that motion is an inherent property of matter, which of its own nature tends to move, which unscientific idea has recently been revived by Professor Haeckel. But a doctrine so patently absurd has failed to obtain any accept- 26 The Foundations of Evolution ance. Not only does it contradict all experience, but on very slight examination it is seen to have absolutely no meaning. If matter tends to move, it must be in some one definite direction. A tendency to move indifferently in every direction at once would anchor it just to the position actually occupied, like the rope in a "tug-of-war" when the rival parties are equally matched. And why should matter tend to move in one direction rather than the opposite ? The globular nebula, for instance, to which we have been introduced, must have been turning on one particular axis ; and that its movement was from west to east is evidenced by the rotation of the sun and planets composing our solar system, and the revolution of the latter in their orbits, which is traced to the rotation of the mass whence they were thrown off.* How came it, we may ask, that this particular axis came to be selected rather than any other? And why was the rotation from west to east, rather than east to west? Here is another prime factor in the machinery of the universe which has to be accounted for before we can speak of having found an explanation that explains anything. And this initial condition of motion is a factor of the first importance. This it is that furnishes the centrifugal force, but for which the centripetal force of gravitation, or mutual attraction of particles, would straightway draw all together as a solid sphere round the centre of the mass, and had this been, there could be no room for any of these opera- tions which make Nature what she is. By virtue of this initial rotation alone can the mass perform, as it does, the function of a gigantic fly-wheel, capable of keeping the machine going for millions of years after the original impulse has ceased to act. But an initial impulse there must have been, and to it each succession of evening and morning, of winter and summer, bears witness, for, like the sum of available energy throughout the system, so this particular energy of motion can only tend, however slowly, towards its inevitable term. The daily rotation of the earth, for example, was once * With the probable exception of the satellites of Mars. The Foundations of Evolution 27 supposed to afford an instance of motion absolutely in- variable. More exact observations, however, have shown that this is not so; the action of the tides in a contrary direction act as a drag, and cause retardation, at a rate which, however slight, is nevertheless appreciable, and must, one day, infallibly destroy the motion altogether, reducing the earth to the inert condition already reached by the moon. Once more, therefore, the results of science lead us perforce to the recognition of a Power beyond those of physical Nature, from which alone, as Newton declared,* the condition of things which we behold can possibly have originated. To sum up. We have seen, as a result of the investi- gation of science, in that department where her knowledge is most truly scientific, that Evolution cannot be spoken of as a law of irresistible progress, sufficient for itself and imperiously working out its own operations : for, far more surely than any progress, there inevitably awaits it the utter extinction of all that it has ever done. Moreover, sup- posing Evolution to be the present law of things, the fact that it is so does not explain itself, but postulates of necessity a force beyond and behind all the forces of physical nature, whence alone can the law of Evolution or any other law derive the powers it has to work at all. Mr. Herbert Spencer in his well-known definition describes Evolution as "an integration of matter and concomitant dissipation of motion ; during which the matter passes from an indefinite incoherent homogeneity to a definite coherent heterogeneity; and during which the retained motion undergoes a parallel transformation." t Many will feel that this definition, lucid as it doubtless is, does not altogether remove the mystery which surrounds the subject, but, whatever be obscure and difficult, it is obvious to ask whence came the conditions rendering possible this integration, this dissipation and this trans- * Principle, : Scholium generals. t First Principles, 145. 28 The Foundations of Evolution formation ; whence came the motion to be dissipated and transformed, the indefiniteness capable of definition and the incoherency capable of being made coherent. Finally if Evolution be really this, how can a process contingent on so many conditions be described as explaining anything how can it with any show of reason be presented to us as the final principle which shall solve the mystery of the universe ? THE MECHANICS OF EVOLUTION EVOLUTION, as I have endeavoured to show/ 1 ' so far from being a living principle capable of explaining the origin and subsequent course of Nature, cannot explain itself, but postulates as a requisite of its own existence a state of things which it could nowise have produced, requiring, as a condition indispensable for the operation of any physical forces, that matter should be given them to work upon, and in a position to which they could never bring it. This is, however, but a part of the difficulty, which we shall better understand by further consideration of Mr. Herbert Spencer's definition already quoted. " Evolution," he tells us, " is an integration of matter, and concomitant dissipation of motion ; during which the matter passes from an indefinite incoherent homogeneity to a definite coherent heterogeneity ..." This utterance has, by the profane, been likened to the original condition of things, as being indefinite and incoherent ; but it would at least appear to speak plainly on one point, the homogeneous state of the original universe, that " homogeneity " in progress from which towards " heterogeneity " Evolution mainly consists. But here again we find that the original condition of things, as reported by science, is fatally at variance with * The Foundations of Evolution, III. 30 The Mechanics of Evolution such an idea. The atoms composing the material universe cannot, to begin with, have been homogeneously disposed : that is to say, the system made up of these atoms cannot have been of like structure throughout, but, on the contrary, there must have been a most complex heterogeneous arrangement, in order to account for what has actually occurred. We have elsewhere considered * one essentially heterogeneous element, of fundamental importance, which the primitive nebula must be assumed to have exhibited viz., the motion of rotation in one definite direction and no other. And but for this motion of rotation the solar system, with its revolving and rotating planets, could never have existed, and, for want of a centrifugal force to keep them apart, all the particles of matter must long ago have been drawn together by the force of gravitation to form a solid sphere as uniform as a billiard-ball. For quite apart from this question of the movements of sun and planets, every operation of Nature tells the same tale. For the due working of her laws it is absolutely necessary that there should be infinite and endless varieties of conditions in her different parts. That heat should do any work there must, as we have seen, be difference of temperature between different bodies, and that there should be difference of temperature, the motions producing heat must be greater in some quarters than in others. Similarly as to chemical combination, the same sort of atom will behave in totally different ways according to difference of circumstance. Thus oxygen exists free in the air, combined with hydrogen in water, combined with calcium in limestone, with carbon and other elements in vegetable and animal tissues, and in countless other forms. Every atom of oxygen is equally ready to play any of these parts, what part it is to play depends wholly on the circumstances in which it is put. These must accordingly be infinitely various if such a world as ours is to be made and maintained. What has been said of one chemical element is true of all ; what has been said in regard of motion, heat, and chemical action, must * The Foundations of Evolution. The Mechanics of Evolution 3 1 equally be said of electricity and magnetism and of all the modes in which energy is manifested. From this it follows that the primaeval world can by no possibility have been homogeneous, and, moreover, that whatever heterogeneity it was afterwards to develop must have existed from the first, as the plant exists in its seed, in the original arrangement of particles on which all subse- quent operations depended. The evolutionary theory bids us to consider the world from the physical side only, and to regard all its developments as the necessary result of the forces of the matter composing it. The fundamental proposition of Evolution, Professor Huxley tells us,* is " that the whole world, living and not living, is the result of mutual interaction according to definite laws, of the powers possessed by the molecules of which the primitive nebulosity was composed." But in a material system, such as is here spoken of, all depends not only upon the forces to which it is subject, but also upon its configuration ; given these and it is at once certain what must happen, the system can have but one future before it. I have already compared the universe to a clock, wherein the weights must first be lifted as an essential condition of motion. But this is not the only condition, the weights can never by themselves make the clock go, still less go right. The works must be cor- rectly constructed, so that, by the various functions of the different parts, the force supplied by the weights may be properly applied. Due provision for this proper application of the force is as essentially requisite as provision of the force itself ; and as in the case of the clock, so, in precisely the same manner, in that of the universe. This is a point of supreme importance, which is too frequently altogether ignored. We are often assured, in vague general terms, that the "forces of Nature" are sufficient to account for everything, and that it is futile and unreasonable to demand anything more. But, as Mr. Croll has well contended, t force by itself explains nothing : to * Life and Letters of Charles Darwin, vol. ii. t The Philosophical Basis of Evolution. London : Edward Stan- ford, 1890. 32 The Mechanics of Evolution produce any given effect force must be applied in one given way, and in this only and, to understand the effect, we must understand how it was so applied. The explosive force of gunpowder, for instance, does not explain the hitting of the bull's-eye by a bullet, for it was equally available to send the ball in any one of a myriad different directions. The rifleman gets a prize, not because his gun went off, but because he directed it aright. The steam power of a vessel is equally ready to take it towards any port in the world or on to any rock ; the energy stored in the waters of an upland pool will turn a mill, or drive a dynamo, or irrigate a field, only according as a direction is given to their descent. And similarly in nature, if different atoms of the same substance perform totally different functions, as air or water or rock, it is only because of the different circumstances in which they are placed, of the different direction given to the forces to which they are subjected ; if an electric or magnetic current runs in one direction rather than another ; if one portion of the world is comparatively hot and another comparatively cool ; if the same body exists in one spot as vapour, in another as liquid, in a third as solid, it is all because of the variety of conditions established throughout the universe and this variety is the machinery of the clock. What is therefore to be thought of the assertion that Evolution starts from homogeneity ? And to make the matter still more hopeless of comprehension, we are further told that this homogeneity was " indefinite." But regarding the universe as a purely mechanical system, and thus, be it remembered, we are bidden to regard it, nothing is more absolutely certain than that the original arrangement of its parts must have been definite in the extreme, definite down to the minutest particular, so that any alteration in it, however small, would have produced a different world from that in which we live. " It at once follows from the laws of motion," says Professor Tait,* " that a material system left to itself has a perfectly determined future, i.e., that upon its * Contemporary Review, January, 1878. The Mechanics of Evolution 33 configuration and motion at any instant depend all its subsequent changes ; so that its whole history, past and to come, is to be gathered from one sufficiently comprehensive glance." One particular arrangement of every atom and molecule composing the universe, and one alone, at the moment when the forces of Nature were first let loose, that is when the weights of the clock were at their highest and were started on their descent, can alone account, on evolutionary principles, for the course which the laws of Nature have actually taken : this arrangement must, as has been shown, have been essentially heterogeneous, absolutely definite, and of unimaginable complexity, securing in the sequel the application of every force ever exerted in the universe, so as to produce the effect actually produced, forming a machine of countless millions of wheels, and wheels within wheels, checking and counter-checking one another, and exhibiting as they run those laws of Nature which it is the highest privilege of science to observe. Until we can account not only for the existence of force, but for the mode in which it is thus applied, we have done nothing towards reaching " the final equation of the universe." The claims of " Evolution " to solve that equation are obviously worth- less, for of neither of these unknowns has it anything to tell. So much for what is purely material and mechanical. We have seen, however, on the authority of Professor Huxley, that Evolution claims to account not for the life- less only, but for the living world. Into this latter field, after what has been said, it may seem needless to go, but, as this sort of claim is constantly reiterated, a word on the subject will not be irrelevant. It may be said, in the first place, that as regards life, to say that it comes by " Evolu- tion" through the action of mechanical force on matter is the merest and most gratuitous assertion without any warrant of science whatever. "To say," writes Professor Tait,* " that even the lowest form of life can be fully ex- plained on physical principles alone, i.e., by the mere * Ubi sup. See also Clerk Maxwell, Life, p. 573. 34 The Mechanics of Evolution relations, motions, and interactions of portions of inanimate matter is simply unscientific. There is absolutely nothing known in physical science which can lend the slightest support to such an idea." Leaving this, however, alone, the material structures in which life dwells will, in our present connection, afford a profitable object of study. Let us, for example, consider the case of two trees of different kinds, an oak and an ash. They are made up of the same substances, and the molecules which build up one might have been used for the other, just as the same stones might be used to build a cathedral or a factory, and a play of Shakespeare or a cookery-book might be printed with the same types. Each tree is built up molecule by molecule, and each molecule takes up a determined posi- tion which has to be filled that the general plan of the tree may be carried out, just as each stone of the building and each letter in the book has its particular part assigned it, in relation to the whole. A molecule that goes into the oak takes up a different position from that it would have taken up if drawn into the ash, and a position different, moreover, from that taken by all the other molecules which compose the oak. Each takes its place automatically under the influence of forces which make it take that place and no other, and the forces working in the tree to produce its growth are therefore differently directed or determined in regard of every particular molecule on which they act. But the activity of these forces is just as automatic and blind as the passivity of the molecules, they act only as they cannot help acting in each particular condition, every action of theirs is but a necessary sequence from the original con- stitution of the machinery whereof they form a part. What is true of plants is true also of animals, though in their case the processes to be performed are still more complex and wonderful, so that we find that on the original arrangement of the particles of the universe must have depended the correct placing of every molecule in every blade of grass or flower or tree, and in every creature that has moved on the earth from the remotest epoch of geology, down to the present day and onwards to the end of time. The Mechanics of Evolution 35 It should further be remarked that we not only believe the laws of Nature to have worked in a satisfactory and orderly mode up to this present moment, but confidently look forward to similar behaviour on their part in the future. We anticipate, for instance, that this next summer, there will not only be evolutions among atoms and mole- cules such as gravitation, electricity, and heat tend to produce, but that these evolutions will take the form of producing roses and strawberries and nightingales, just as has been the case in the past. None of these new products will, in all probability, be the exact facsimile of any of their own kind that has yet existed, but come they will, and of that kind they will be. There must therefore be some power in " Nature " capable of producing them. They will not appear because their like has been before. When Hamlet and Polonius watched a cloud and found it first like a camel, then like a weasel, and then very like a whale, they did not and could not assume that on account of these resemblances which had occurred, others would certainly follow, and that the next change of form would display an elephant or a giraffe. If we believe in orderly production as the necessary sequel, we must believe in some cause or other which produces it. The Evolutionist who traces back everything to the original constitution of the material universe must postulate that its particles were arranged upon a plan which has not only de facto ensured the regular succession of all that has hitherto been, but was and is determined to the production of order and not of chaos. Of the existence of this plan he is bound to offer some explanation if he is to explain anything at all. This is no overstatement of the evolutionary position ; it is not one with which evolutionists should quarrel. The existing world, Professor Huxley tells us, lay potentially in the cosmic vapour, and a sufficient intelligence could, from a knowledge of the molecules of that vapour, have predicted the exact constitution of, for instance, the animal kingdom as existing in Britain to-day, with as much certainty as one can say what will happen to the vapour of the breath on a cold winter's day. 36 The Mechanics of Evolution It is therefore clear that on evolutionary principles we must suppose, as the beginning of things, a precise and definite constitution of matter, of infinite and bewildering complexity, whereby the exercise of all its forces was directed and determined to the production of every result actually produced in the history of the world. But if we have this there is no need of anything else, and no room for anything else in the economy of Nature if the account of the matter we have heard be the true one, everything that happens in Nature is but part of the tune which she was preordained to play, and could by no possibility have been other than it is. Yet so little do evolutionists appear to believe in their own system that they are ever seeking fresh and independent forces, not included in the primaeval machinery, to account for what we find. The utterance of Professor Huxley, for instance, which we have seen above, occurs in a paper devoted to a description of the services rendered to science by Mr. Darwin's theory of the Origin of Species through Natural Selection.* But if the im- perious law of Evolution has done everything that has ever been done on earth, where does Natural Selection come in ? and what has Mr. Darwin done to improve our know- ledge by introducing this new and altogether futile factor into the business ? If all that ever has been came from the original constitution of the cosmic vapour, why trouble ourselves any further about the origin of species which, with all the individuals composing them, were bound from the very first to come just as they have come and not other- wise? Yet, in spite of his professions, Professor Huxley finds no words of praise too high for Mr. Darwin's book ; it " lights the path of the investigator," its ideas are " pro- found," they have become " household words and every- day conceptions," and have " vast and far-reaching^ signifi- cance." And yet, if Mr. Darwin says anything, does he not say this, that what he calls Natural Selection changed the course of natural progress and made things come about otherwise than, but for it, they would have come ? * The Genealogy of Animals (Critiques and Addresses), reprinted in the Life of Dai-win, p. 201. The Mechanics of Evolution 37 The instance is by no means solitary or singular; on the contrary, every evolutionist would seem to have some pet system of his own which he calls in to supplement Evolu- tion and to account for its processes : we have, for example, Neo-Danvinism, Lamarckism, Neo-Lamarckism, Weismann- ism, physiological-selection, sexual-selection, and a host of other theories, by which to explain that which, if evolutionary theories are true, needs no explanation, and to demonstrate that their respective champions do not really grasp, still less hold, the creed which they profess, and do not believe that the law of Evolution can in fact make things be evolved. We appear, indeed, in this matter to have reached the extreme limit of confusion. If Evolution be indeed the supreme and central verity of all science and the ruling principle of Nature, then are all subsidiary systems not merely superfluous but inconsistent, for all that is, one thing no more than another, must be a phase of Evolution. If, on the other hand, we build our arguments and our beliefs on any of the minor forces or processes which we claim to have discovered, we thereby demonstrate our own incredulity in the all-compelling power of Evolution. Yet this is the course usually taken by evolutionists, who would have us yet believe that the truth of Evolution is altogether independent of the validity of their particular systems, the mere assertion of which destroys the basis on which it ought to rest. In a word, if we are really bound, as we are so frequently assured, to accept the evolutionary doctrine in the name of reason and science, this must be because it is demon- strated either as an inevitable principle or as an accom- plished fact. Is it demonstrated as a principle? Then what of the store of force it required but could never have provided, and what of the arrangements for the right appli- cations of that force, which it can never have made? What, moreover, on this supposition, is the meaning of arguments that Evolution has worked through Natural Selection, or in any other mode, when there can have been no such thing as selection at all, as nothing can have ever come to pass 38 The Mechanics of Evolution except the inevitable and inexorable results towards which Evolution was from the beginning predetermined ? Are we, on the other hand, to accept Evolution on the ground that it is a demonstrated fact ? If so, on what line of argument is it demonstrated ? We cannot say the process has been historically traced, for neither amongst existing, nor amongst extinct species known to us do we find any such series of allied forms as has to be supposed. Are we to say that " Evolution " is to be accepted because we have discovered a process at work in Nature which must produce Evolution ? If so, what is that process ? That called Natural Selection, once so popular, has long been tacitly abandoned, and in its place we find a number of rival systems, each claiming to be the real thing, but none able to secure the adhesion of any but its own inventor and the comparatively small group of his immediate disciples. These systems divide and subdivide in bewildering and antagonistic variety where then is the demonstration they afford ? Meanwhile, be it remembered, we have, as far as possible, left out of consideration the gravest and most profound difficulty of all that arising from the existence of life, of volition, of consciousness, for which, as Professor Tait has told us, nothing known to science can pretend to account. What then are we to think of the doctrine so constantly and so aggressively thrust upon us, which dogmatically asserts that the philosophy of Evolution is so manifestly justified by our science as to make us guilty of self-stultification in hesitating to accept it. I speak of the philosophy of Evolution as popularly understood. In a sense, no doubt, there is much to be said for Evolution in the light of modern science but, as I began by saying, the term is capable of many signifi- cations, and evolutionists, while never explaining which of them they adopt, are prone to bring arguments which avail only in favour of one sort of Evolution, and then to deduce consequences which would follow only if they had proved it in another. Undoubtedly we find that, speaking broadly, the history of life on the earth has been a history of Evolution that is to say, the scheme of vegetable and The Mechanics of Evolution 39 animal life, as we know it, has been gradually unfolded in a progression of types from lower to higher, the same general lines of structure being elaborated to greater and greater perfection. Undoubtedly, also, our acquaintance with the operations of Nature leads us to believe that suc- cessive changes have been wrought by continuous operation of natural laws rather than by constant and abrupt inter- ference with their course. In other words, we judge it more probable that the species of plants and animals have been produced as we see each individual produced, by the deve- lopment of a germ predetermined to develop. But this is not what is meant by Evolutionary Philosophy and it is not of "Evolution" in this sense that I have been speaking. What evolutionists contend for is a process uncontrolled by any power but its own, a process explaining itself and eliminating from the universe every other active principle. Thus Professor Huxley assures us * that the Evolution theory, or Mr. Darwin's Natural Selection theory (it is not quite clear which) has dealt a " death-blow " to the idea that any purpose has operated in Nature that the eye, for example, was made in order to see ; which is to say that we have found Evolution to be so self-sufficient that there can be no power behind it, that it is proved to be not an instrument for the accomplishment of an end, but itself the eternal mainspring of the universe. Is it not more true to say that never has a system of philosophy so imperiously endeavoured to impose itself on the world with such arrogant pretensions to a monopoly of truth, while utterly lacking any credentials capable of enforcing the assent of reasoning beings ? At the same time it is with no such negative conclusion as this that we must leave the subject. As from the supply of power which the machine of the universe must have required before the laws of Nature could begin to work, we gather a clear evidence of a supreme and self-exist- ing Power transcending all physical forces and working through them all so from the wonderful and unimagin- * Reception of the Origin of Species. 4O The Mechanics of Evolution able mechanism which the mechanical theory of the world postulates as an essential prerequisite of all that these physical forces have ever been able to produce, we must learn that there was in the beginning a Cause producing order, harmony, and law, constituting the world not as chaos, but as cosmos, establishing those laws the mere recognition of which is so commonly held to constitute the supreme triumph of human intelligence. EVOLUTION AND EXACT THOUGHT OUR modern philosophers, as is well known, feel them- selves qualified to correct the erroneous conclusions of their predecessors, by reason of the improved methods of argument whereon they rely, and in particular they have two weapons in their armoury, the possession of which gives the battle entirely into their hands, enabling them with ease and certainty to shatter all systems but their own. In the first place they start, according to Baconian principles, by securing a solid foundation in the observation of fact, the only foundation upon which any knowledge deserving the name can be based. And besides this, while restricting the province of pure reason to deduction from such facts, they have at the same time so improved its methods as to secure for the conclusions at which they arrive a conclusiveness to which the lax argumentation of other days could not pretend. Words used to be employed to veil and disguise the confusion, poverty, or absence of thought, and down to our days men have been unable really to argue, those who pretended to do so having con- fined themselves to a futile exercise of chopping logic, whereby no scientific result could possibly be attained. But now we have changed all that ; thought has become "exact"; as we start not with words but with things, so all our words are but the symbols of realities, symbols definite and precise as those of mathematics, and therefore guiding mankind, for the first time in its history, into the regions of indisputable truth, IV. 42 Evolution and Exact Thought It will hardly be denied that claims to this effect are constantly advanced, and still more frequently taken for granted; it may in fact be said that this claim of the modern school to have revolutionized the science of argu- ment, is universal. At the same time there are undoubtedly those, trained according to older methods of thought, to whom this claim amongst all the mysteries attending on the evolution theory is by far the most mysterious, land whose main difficulty in accepting its tenets is their utter inability to grasp the processes of reasoning by which they are sup- posed to be established. To such it appears that in no respect is such reasoning so defective as in the utter con- fusion of its phraseology, and the fallacies which such confusion begets ; and moreover that, apart from this, no attempt has yet been made to provide the system with a solid groundwork whereon it may ultimately rest ; without which, were its parts ever so harmoniously jointed, it must ever remain a mere castle in the air. These are grave charges to bring against a philosophical system so widely and so devoutly accepted, and there will doubtless be many found to deem it impossible that such men as have proclaimed themselves evolutionists can have overlooked defects like these. It will therefore be necessary to examine with all care and without prejudice some reasons in support. Be it, however, first observed, to avoid a species of misconception against which experience strenuously warns us, that no denial is here intended of what are called the facts of evolution. That the progress of organic life on earth has been through a course of develop- ment from lower to higher forms, is certain. That this development has, at least in certain instances, been wrought by natural instruments is most highly probable, far more probable than a contrary supposition. But if that which has not been proved in any one instance should be clearly demonstrated of all, if it could be shown that every species now existing has been evolved from another, and that all species but the first have been evolved from Evolution and Exact Thought 43 it, the point now under examination would be just where it is. Our affair is not with evolution as a fact, but with what is styled the evolutionary theory, which is a totally different thing. This theory presents itself not as a chronicle, but as a philosophy, not as giving us to know the course of things alone, but their causes likewise : it comes before us not as a subsidiary system dealing with one department of Nature, but as the great fundamental principle which eliminates from the universe all other forces and agents but its own. It is precisely because it does so that it holds its place before the world. Were it satisfied with saying that one animal has come from another animal, and that environment, or sexual-selection, has been the instrument of the metamorphosis, the world at large would feel but a feeble interest in its teachings. It is otherwise when it builds up a whole cosmogony with natural forces alone, and tells mankind that they need take account of no others here or hereafter. It is because evolutionists undoubtedly claim to do this implicity always and often explicitly as well that their doctrine has for men the importance that it has. It is with the claim of " Evolution " to be a philosophy of causes that we are now dealing. There are undoubtedly many and serious points to be considered before we can accept the historical account it gives of the process through which Nature has reached its present position ; but these we are not considering. Let it be supposed, as has been already said, that all has been as its disciples would have us believe the question remains, Where is the prime agent to which we must ascribe its production ? And it is in connection with this that we have to examine the value of evolutionist argument. To begin with the matter of phraseology, in which there at once presents itself a notable example, assuredly of im- portance sufficient to justify its employment. If we ask, in regard of the assumed evolution of one species from another, by what means this has been brought about, we are very commonly told that it has been by the operation of the law of Natural Selection. This explanation affords 44 Evolution and Exact Thought an excellent instance of what I mean, for when examined it appears to be a phrase, and a phrase only, and to explain nothing, while it has yet been largely, and at times univer- sally, accepted as the key which shall unlock all the secrets of Nature. It is true that an increasing number of scientific men, while firm believers in evolution, do not believe in Natural Selection as the instrument by which it has been effected, but their objections would seem to be grounded rather on facts which appear to be at variance with Mr. Darwin's doctrine, than on more fundamental considerations regard- ing that doctrine in itself : in other words, they believe that Natural Selection might have caused evolution, but that de facto it has not done so. My contention is, on the other hand, that to allow it even this qualified merit is altogether to overlook the radical difficulty. For what is meant by " Natural Selection " ? It is what is otherwise described as the " Survival of the Fittest." Nature, we are told, tries all her creatures by the wager of battle the struggle for existence and awards the prize of Life to the winners. Any member of a species that has organs better fitted than those of its companions to help it in this struggle, will survive when the others die, and handing on its superior equipment to its progeny will advance its race one step upwards. But it is obvious that thus far the theory elucidates nothing beyond the fact that if some creatures are better fitted than others to get on, they will get on better. Things must be in existence before they can be " selected," and creatures must have become more fit than others to survive, before they survive them. But of that modification of organs which is the raw material on which Natural Selection must work, Natural Selection itself throws no light whatever. It is undoubtedly true that, as we shall see just now, other agencies are invoked to supply these preliminary conditions, but it is equally certain that not these other agencies but Natural Selection has been so long in the forefront of the battle, and that with its name evolutionists have conjured when difficulties were adduced. How often Evolution and Exact Thought 45 have we been told that it is Natural Selection which has converted fins into wings or feet, scales into feathers, swim-bladders into lungs, which has fashioned the hand and the ear, and converted the rudimentary into the perfect eye ? And so far as these things, or the like of them, have been said, we have reason enough to complain that words are used without any definite meaning which can be attached to them. And next, as to the agent which is to do the necessary work before Natural Selection can begin. This, we are told is the Law of Variation, which providing that there shall be improvements in structure, rendering survival more easy, will furnish the proper objects for selection. But the " Law of Variation " is only another name for the fact that young animals and seedling plants are not the exact images of their parents, varying from them in degrees more or less minute, some in one direction, others in another. Does this fact afford the slightest ground for believing that any members of the younger generation will be equipped with organs more serviceable than those of their elders ? Unless this be so, Natural Selection will have nothing to work upon. Is it not obvious, however, that variation from one pattern does not of itself and by itself tend to produce another? all that it tends to do is to destroy the one. Mere disarrangement of the types set up to print a page of Martin Tupper has no tendency to produce one of Shakespeare ; nor if ten thousand printer's devils each tried his hand at a shuffle, should we have warrant for anticipating that so much as a solitary emendation would result. It is not variation itself, but the determining force, that rules it, to which must be ascribed the result attained. It is not because a marksman misses a pigeon that he kills a crow, but because his gun is pointed towards the crow. In like manner, it cannot be that, merely because an organ varies from a working model, it must hit on another working better. Yet on the assump- tion that it must be so does the whole system rest which we are considering. Here in fact we find a prime example of a fallacy shroud- 46 Evolution and Exact Thought ing itself under confusion of phraseology. Doubtless that one organ should be an improvement upon another it is necessary that the second should vary from the first ; but by no means does it follow that variation is the agent. Purposive variation is one thing, purposeless variation quite another. The first is the method of the inventor, the second of the destroyer, and yet it is to this that Dar- winians look as the power capable of producing all the exquisite machinery we find in* nature. To this indeed they are compelled. If there be a force directing successive modifications in one direction, to the production of organs more and more elaborate and efficient, then must this force, and it alone, be credited with the results. The Law of Variation and Natural Selection will no more explain the production of new forces than the fact that the water from Thirlmere has perforce to run to Manchester explains how the pipes came to be laid which take it there. It is precisely on the claim to dispense with the necessity of any such directive force that Darwinism takes its stand, and it is in variation altogether purposeless that it professes to find a sufficient instrument. It is, for example, by a succession of " slight accidental variations " in the required direction that Mr. Darwin himself * explains the develop- ment of the eye, from the simple apparatus of an optic nerve coated with pigment and invested by transparent membrane, to the complex organ of " inimitable contriv- ances " I which we now behold. What such an explanation really means it is well worth to inquire. We all know that the various friction to which bodies at the bottom of a river are exposed inevitably changes their form, that is, makes them vary. If we were to throw in amongst the gravel ten thousand or ten million cubes of glass, is there the slightest probability that any one of them would be shaped into a lens fit to use in a telescope, such a lens as the variations wrought by an optician produce every day ? Yet this is exactly what we are asked to believe, that a system of variation equally random has actually done in the eye, and * Origin of Species, p. 189. Fifth thousand. t Ibid., p. 186. Evolution and Exact Thought 47 might be counted upon to do. It is nothing to the purpose to say that Natural Selection in the one case and not in the other would have preserved the successive approximations to the desirable form ; for, as we have seen, something worth preserving must be produced before Natural Selec- tion can act, and the question is precisely whether anything worth preserving would ever be arrived at in such a fashion. This, the crucial point of the matter, has apparently been ignored by Darwinian writers ; they assume that because improvement implies variation, therefore variation implies improvement, and if there be any of them who have even discussed the validity of this assumption, it would be interesting to know their names. It must, moreover, be observed that hitherto we have reduced the problem to its simplest proportions, and con- sidered the capabilities of variation in respect of the easiest task that could be set it. The eye no more than the tele- scope is composed of one piece of mechanism only, but of a multitude, which not only do optical work, but supple- ment one another, the form of each bearing a close and accurate relation with those of the rest. If it is inconceiv- able that one piece of glass should be ground, by the method we have considered, into a lens, what of the chances that two should be shaped so as to satisfy the conditions required respectively for eye-piece and object- glass ? And what then of the supposition that the complex contrivances of the eye, cornea, iris, aqueous humour, crystalline lens, sclerotic, retina, and within this the subtle apparatus of its various sub-divisions, have all simultane- ously " varied " each into the form fitting it to play into the hands of the rest, and do its part in the joint work ? If the eye had been made in the first instance as it now is, and merely been endowed with the power to " vary " in its various parts, could the power of sight have been handed down for one generation ? for a wrong variation anywhere would have thrown the whole out of gear. Nor is it only in one organ that we have to accept such a supposition. Everywhere throughout the world of life, in myriads of diversely-fashioned mechanisms amongst animals 48 Evolution and Exact Thought and plants, Nature must in the same haphazard fashion have blundered on those exquisite devices which fill us with wonder when we recognize their functions. And it is the doctrine which so teaches that we find thus described : " An extremely valuable, and in the highest degree probable doctrine, indeed the only extant hypothesis which is worth anything from a scientific point of view." * It must further be remarked, that the examples frequently adduced by evolutionists to support their argument combine with the ambiguity of their phraseology to conceal its weak- ness. We are told, for instance, that in very small, solitary islands insects that fly much will be liable to be drowned, being caught by the wind and carried out to sea ; and our attention will be called to the fact that those found in such situations are short-winged and very limited in their powers of flight. Accordingly it is argued that in successive genera- tions some, by the law of variation, have had larger wings, and some shorter ; that the former have been taken and the latter have been left ; and that here we have a clear example of the working of Natural Selection. In reality it is nothing to the purpose. In respect of dimen- sion, things can vary in two directions only the greater and the less. Given variation in size, some must be larger and some smaller. But this is not the work required of the agent that invents new species and invests them with im- proved organs. For this, definite and exact conditions have to be fulfilled, conditions that could be laid down with precision beforehand, for laws have to be satisfied of the most rigorous and definite character, before those results can be attained which alone explain the existence of a creature's organs. That an animal should see, or hear, or fly, depends on the manner in which the require- ments of optics, or acoustics, or pneumatics are met ; and that they should be met, the mechanism must be elaborate and a number of different functions must be efficiently performed by various parts. The possibilities of variations are not restricted to a couple, but multiplied into myriads all wrong but one. The fact that wings which do not * Professor Huxley, Lay Sermons, p. 295. Second Edit. Evolution and Exact Thought 49 remain of constant length must be either longer or shorter throws no light whatever on the attainment of such accurate complexity. Nor have we as yet by any means sounded the depths of the problem. We are assured that not only has one species been developed from another, but that creatures now most remote from one another in every detail of structure have been similarly produced from a common original ; that, to take an example, birds and reptiles are tolerably near rela- tions, and have descended from a quasi-reptilian ancestor. But if this be so, not only in the various parts of one member or organ, but in all at once, variation must have been constantly hitting on the infinite multiplicity of modifications which make the two classes as unlike each other from head to tail as they possibly could be. In truth the law of Evolution, as we find it stated, is absolutely at variance with those other laws of Natural Selection and of Variation which so frequently are supposed to be synonymous with it. If Nature be ever on the march of development, if it be her law that species shall follow from species and genus from genus in ever-evolving variety of artistic finish, then assuredly she is working on very different lines than a mere tendency to abandon the types she has already produced ; and if we believe that in the world of life there is orderly succession, it is that we believe, despite our inconsistent theories and systems, that there is some force at the bottom of all, not aimlessly producing change, like random currents of the air, but shaping for life, forms in which it can better and better dwell. Having thus considered evolutionist phraseology, and some of the questions connected with it, there remains the still more important point for all valid reasoning, the basis whereon all rests. This again is a matter in regard of which our philosophers exhibit no false modesty. It is their boast to have founded their system on the solid rock, and, of all things in the world, they find this in the Principle of Causality. Professor Romanes,* to call * Darwin and after Darwin, p. 17. E 50 Evolution and Exact Thought a recent witness, bids us regard it as an a priori truth " that Nature is everywhere uniform in respect of method or causation ; that the reign of law is universal ; the principle of continuity ubiquitous." This means, as we are presently told on the same authority, that we have established the fact that Nature from the beginning has worked through causes and effects similar to those which we trace in science; that is to say, all causes have been " natural," or material, and we need no other to explain the totality of things.* Similarly, Professor Huxley informs us,t that the fundamental proposition ot evolution is, that the whole world, living and not living, is the result of the mutual interaction, according to definite laws, of the powers possessed by the molecules of which the primitive universe was composed. And while the first Pro- fessor explicitly asserts that his system of material causes and effects eliminates from our calculation any such First Cause as God, the second concordantly affirms that his fundamental proposition deals a death-blow to the idea that eyes were designed for the purpose of seeing. In other words, each is satisfied that science has got to the root of the matter, and traced the origin of things to a final point whereon all that is in the universe may rest without ever an elephant or a tortoise to sustain it. This may be fundamental philosophy, but to the ordinary mind it looks very like the architectural system of the Laputans who began the building of their houses at the top. We are told by Professor Romanes that Nature throughout is uniform in respect of method or causation, that is, at no point has her method stopped; back to the very beginning it has operated as it does now. But have we ever yet discovered a Cause in Nature? Is it not the most characteristic feature of her method of working that it depends at each step upon some condition of things, itself depending upon some other, and that as she proceeds she is ever spending her capital of available * Darwin and after Darwin^ p. 412. t " On the Reception of the Origin of Species," Life of Darwin, vol. ii. p. 201. Evolution and Exact Thought 51 energy, to which she can never add the most insignificant fraction ; that accordingly she can by no possibility have furnished herself with the outfit required for the work we find her doing ? That in respect of method or causation she cannot have been uniform from the first is the plainest lesson to be learnt from her phenomena " phenomena," says Professor Huxley,* "the very nature of which demon- strates that they must have had a beginning," and from consideration of which, as Lord Kelvin tells us, t we are made "absolutely certain" that the machinery of the universe cannot have been working for ever. What, indeed, is the possible meaning of eternal evolution? If things have been uniformly progressing for ever along the line of development, how is it that they have got so short a way, and that there are possibilities of development yet remain- ing ? And if they have not been thus everlastingly evolving, where is the a priori truth which we have been told to grasp ? On the one hand, evolution starting from a point does not show the method of Nature to be uniform beyond that point ; on the other hand, evolution without a point to start from is utterly discredited by science, and is, in scientific phrase, " unthinkable." But if the " a priori" truth of Professor Romanes affords such a treacherous quagmire for a foundation, what is to be said of Professor Huxley's "fundamental principle"? If it be true that all the marvels of the universe lay ready made in its primaeval constitution, then was that constitution to after-developments, as the acorn is to the oak-tree, or the egg to the chick. But acorns require oaks to produce them, as much as oaks require acorns, nor do we know of any method of getting eggs except from fowls. Whence then came this primordial germ of the universe? what is its parent ? how came it by its powers ? Doubtless if every- thing was in that mystic casket, everything could be got out of it ; but this scarcely explains how everything got in. It is, therefore, hard to see what this fundamental proposition does for us, or can pretend to do, in the way of furnishing * Lay Sermons, p. 13. t See Balfour Stewart, Conservation of Energy, p. 142. 52 Evolution and Exact Thought a foundation for our knowledge. It tells us no more than that the effects of the causes operating in Nature have been exactly as we find them to be, and that given the conditions in which the forces of Nature have actually worked, the effects could not be different from what they actually are. But as for the arrangement which secured such conditions, we are told absolutely nothing, and have to rest content with the soul-satisfying assurance, "The world is what it is, because in the beginning it was what it was." It will not improbably be answered that Professor Huxley has included in his principle the very item here said to be wanting, and that the above criticism is therefore futile. For does he not tell us that all has been worked out " according to definite laws " ? But in truth if there be anything that can make our confusion worse confounded, it is this very phrase. For what are we to understand by this potent term ? What are the " Laws " of which he speaks? To judge from his principle, as it has been quoted, these " laws " should certainly appear to have had something to do with the result, nay, they must have had the chief hand in determining what that result was to be. But leaving aside the not unimportant question as to whence such laws might themselves have originated, we find the same teacher elsewhere laying it down,* that law is but another name for verified experience, and that by calling it law we invest it with no power of domination. To say that things have worked themselves out according to definite laws, sounds at first sight to employ Mr. Ruskin's phrase " rather instructive " : on examination it turns out to mean no more than that they have vaprked themselves out as they have, and not otherwise. It would be equally true to say that Shakespeare wrote Hamlet according to a definite law, for he could not have written it as he did, and yet have written it as he did not : but when this was said we should not have got very far towards a philosophy of the poem. This, then, is what was meant when it was said that the evolutionary system is of its very nature a castle in the air. * Lay Sermons, p. 143. Evolution and Exact Thought 53 It lacks all foundation more secure than can be afforded by a cloud of words. While it professes to rest upon science, the very nature of the forces with which science deals, clearly indicates, as she has herself discovered, that there must have been a point where they began to act ; and therefore, since nothing can happen without a cause, there must be a source whence they draw their powers, and wherein those powers were all potentially contained, but which does not depend for its operation on those conditions which regulate their play. It is this "non-natural," or non- mechanical, cause that writers such as we have been con- sidering desire to eliminate from the universe, and it is in attempting to do so that they set themselves to a task as hopeless as that of filling sieves with water, under the name of the new philosophy of exact thought. We have by no means finished with perplexities. As Professor Huxley's fundamental proposition categorically asserts, everything that was ever to be was potentially con- tained in the universe as originally constituted ; and he goes on to tell us that a "sufficient intelligence" could, from an inspection of the cosmic vapour, have foretold exactly what was to issue from it in each stage of the world's development. But in his sketch of Hume," after in- stituting a comparison of singular infelicity between a miracle and that fabulous creature a centaur, Professor Huxley assures us that " every wise man will admit that the possibilities of Nature are infinite, and include centaurs." Now every wise man, presumably, will also admit the " fundamental proposition " of Evolution. But if he makes both admissions, what does our wise man mean? Either centaurs were contained in the cosmic vapour, or they were not. If they were contained there, they are not only possible but inevitable, as inevitable as buttercups or sparrows. In such a case the world could not possibly exist without them, and they would be just as legitimate an object of scientific research as cray-fish. On the other hand, if they were not contained in the primaeval vapour, what is meant by saying that the possibilities of * English Men of Letters, pp. 135, 136. 54 Evolution and Exact Thought Nature include them ? This can be only on the supposi- tion that the vapour might possibly have been different from what it was. But how so? What was to make it different ? If the actual constitution which that vapour at first possessed be the fundamental verity whereon all others rest, then nothing could ever have been but that which has been. If, on the other hand, Nature's possibilities include anything more, to say nothing of their being "infinite," there must be a power which arranging things in one way, might have arranged them otherwise, and it is to that power that we must apply any proposition pretending to be funda- mental. Such is the not unnatural result of attempting to base a philosophical system upon a vapour. The phenomena of astronomy will enable us to see this more clearly. Are we to say that eclipses are pos- sible beyond those calculated at Greenwich ? Given the existing orbits and motions of the planets, we must say that no others are possible. If we say that the possibilities of Nature include others, we say that the mechanism of the heavens might be other than it is. What should we think of the assertion that the way in which the heavenly bodies move is the only way in which they possibly could have moved, but that never- theless other eclipses are possible beyond those which occur ? Yet this is exactly what Professor Huxley does. He does not believe that there ever has been a centaur, or ever will be, and precisely for that reason likens centaurs to miracles. Yet he believes centaurs to be possible, that is, he believes in possibilities not included in the cosmic vapour as originally constituted, and in doing so he denies that his own fundamental proposition is in truth funda- mental. There is yet one example more that may be profitably studied to help us to understand the state of mind which such a process begets, and the state of mind described as " scientific." In his " Lay Sermon " on the advisableness of improving natural knowledge,* Professor Huxley has de- * Lay Sermons, p. 17. Evolution and Exact Thought 55 voted his chief care to an exposition of the habits of thought engendered by the pursuit of science, and their application to various departments of human knowledge. In conclusion, he touches the crucial point of religious and moral belief, and here, he tells us, the great enemy against which science has to fight is the conviction that authority can be a true guide, and that submission to authority can be our duty ; whereas it is the " unquestionable fact " that the improvement of natural knowledge is effected by methods which directly give the lie to such principles, teaching that scepticism is a virtue, and faith a sin. It is not with the substance of this contention that I am now concerned, but with its terms. Among the propositions which science bans is set down the following : " That when good authority has pronounced what is to be believed, and faith has accepted it, reason has no further duty." From this it is clear that even if an authority be " good " it is our duty to criticize its teaching. But what is a "good" authority? Surely it can be nothing but one which we have good reason to trust : one which, as we have reason- ably convinced ourselves, is able to teach us better than we can teach ourselves. To say that in the name of reason we are to doubt its teachings, is to say that in that name we are to doubt our own reasoning, by which alone can the " goodness " of an authority be recognized. To say that we are to call an authority "good" and yet to doubt it, is to say that we are to believe and disbelieve it at the same time. It may perhaps be supposed that Professor Huxley means to deny the possibility of truth coming to us by authority which we cannot discover for ourselves. But in the first place we are at present engaged in examining the manner in which he argues, and if this be what he means, why does he not say so, and why does he give us instead a proposition contradicting itself in its own terms ? In the second place the proposition suggested as a substitute for his, and probably implied therein, would assuredly not lack difficulties of its own. It is to authority, and to it alone, that we owe by far the greater portion of whatever 56 Evolution and Exact Thought knowledge we possess. If I desire to understand the structure of a cray-fish, I should be a fool if I did not prefer Professor Huxley's book on the subject to what I might gather by my own researches. My faith in his teach- ings would assuredly be the best act of my reason. There is no man but has to rely on the teachings of some other man, in far more points than these wherein he can suffice for himself. And in matters of religious belief, the whole question is whether there be knowledge to be had, beyond what we can ourselves discover; whether our reason is capable of leading us to recognize a teacher whose know- ledge is greater than our own. This is not the place to discuss whether there be such a teacher, or how he is to be found; but if there be, and if our reason can lead us to him, instead of running counter to the methods of acquiring knowledge to which science trains us, it will but repeat the lesson which it teaches us every day, of the narrow limits within which our own faculties are confined, and the illimitable realms of truth beyond. AGNOSTICISM IN THEORY AND PRACTICE ASSUREDLY it ever a school of thought claimed to hold the domain of reason in fee simple, it is that which describes its position as " Agnostic." So completely we are given to understand has this philosophy made right reason its own, that all controversy is at once determined in its favour, if only such reason be accepted as the arbiter, and antagonists are troublesome only so far as they can, by one means or another, guard themselves from being reached by rational argument. Against the fatal possibility of being so assailed they were long assured by the ignoble armour of skulls too thick to be penetrated by scientific truth ; * but this can no longer avail them, and they have in conse- quence become a feeble folk, like the conies which make their dwellings among the rocks, and find safety by bolting rabbit-like into the obscurity of their burrows, when the light becomes painful to their unaccustomed eyes. In consequence, the task of the " philosopher " now resolves itself into one of earth-stopping : all that he has to do is * " Since physical science, in the course of the last fifty years, has brought to the front an inexhaustible supply of heavy artillery of a new pattem, warranted to drive solid bolts of fact through the thickest skulls, things have been looking better : though hardly more than the first faint glimmerings of the dawn of the happy day, when superstition and false metaphysics shall be no more, and reasonable folks may ' live at ease,' are as yet discoverable by the enfants perdus of the outposts." (Professor Huxley, " Hume," English Men of Letters, p. 59.) V. 58 Agnosticism in Theory and Practice to prevent his antagonist from getting away ; * can he but succeed in this the enemy is delivered helpless into his hands. This is, no doubt, a highly satisfactory creed for those who can see their way to profess it, and one eminently calculated to give them that good conceit of themselves for which the Scotch minister prayed. They will, at the same time, of course, be the last to object to any discussion of their position, upon a purely rational basis, for in ventur- ing to face the full light of their principles an adversary can do nothing else but commit the happy despatch. The groundwork of the Agnostic system is the existence of " the Unknowable," of that which is not, and under no circumstances can be, the object of knowledge : and Agnostics, we are told, are honourably distinguished from others in this that whereas these profess to know some- thing about what cannot be known, they honestly confess their ignorance. They willingly accept whatever is demon- strated, and are prepared to accept whatever is demonstrable, but there they resolutely stop the scientific habit of their minds forbidding them to feign assent, where assent could be nothing but a feint. Their principle, we are told, is as old as Socrates ; it is the fundamental axiom of modern science, and it is thus formulated by the teacher who has provided Agnosticism with its name. " Positively, the principle may be expressed : In matters of the intellect, follow your reason as far as it will take you, without regard to any other consideration. And negatively : In matters of the intellect, do not pretend that conclusions are certain which are not demonstrated or demonstrable. That I take to be the Agnostic faith, which if a man keep whole and undefined, he shall not be ashamed to look the universe in the face, whatever the future may have in store for him." t But, if this be all, does it appear as if we were likely to get much further than before, by the aid of this principle ? * " The favourite ' earth,' in which the hard-pressed reconciler takes refuge, . . . is stopped in this instance." (Professor Huxley, Nineteenth Century, February, 1889, p. 173.) t Ibid., p. 1 86. Agnosticism in Theory and Practice 59 Confessedly it is as old as the hills. It may further be asked, who are the men who have ever acted, or thought it possible to act on any other ? To bid us go only where reason leads, is like warning us not to write the history of prehistoric peoples. Reason is our only faculty capable of discovering truth, and it follows of necessity, that all truth to which we attain must be arrived at through it. If this be the sum total of the Agnostic's argument and rhetoric, he is but battering at an open door. In truth, however, the contention which is uppermost in his thought is one which he has not seen fit to include in his fundamental statement : namely, that reason can lead us to truth in one way only. Agnostic arguments are altogether unmeaning, unless it be first taken for granted, that nothing is reasonably demonstrated or demonstrable but what is known through the senses : in other words, that we can have no true knowledge, save of the material universe and of the forces to which its phenomena bear witness. " Reason," accordingly, becomes, in Agnostic phraseology, a synonym for " the conclusions of physical science," and the creed which we have heard would have been more clearly formulated, as well as more honestly, had it run, " We must believe what we can prove by physical science, and nothing else." Thus defined, the battle-ground between Agnostics and their opponents wears a somewhat altered aspect. It is one thing to say that we must believe in nothing but what reason sanctions, and another, to forbid belief in anything not sanctioned by reason in one particular way. The Agnostic, of course, says that it comes to the same thing, for in that one way alone can the sanction of reason be given. But if he would have others to agree with him, he must, in the name of reason, show them plainly wherefore they should do so. And how is this to be done? On what axiom, or on what process of argument, does his assumption rest ? To such a question, it is evident, a clear and cogent answer should be forthcoming, for here is the very corner- stone of the whole system. Where such answer is to be found, or even an attempt to furnish it, is not quite so 60 Agnosticism in Theory and Practice plain. But before entering upon a quest for it some other points have to be considered. It is not in regard of Agnostic principles alone that we are apt to be encountered by an obscurity which we should scarcely expect in this temple of light. The objects with which this " reasonable scepticism " deals, are usually indi- cated with at least equal vagueness. At the same time, if we are to gauge the method aright, it is of prime importance to know what are the objects incapable of demonstration, in which there are men so besotted as to profess belief. Undoubtedly the first and foremost of these that from which all the rest depend is God Himself: the God of Theism, eternal, self-existent, Almighty and intelligent, the Creator and Upholder of all things. Disbelief or non- belief in Him, is the primary article of the Agnostic Creed. It is at belief in such a Being that Agnostics gird in all their utterances. We can know nothing of Him, they say, we have no means of knowing ; reason affords no proof of His existence. A profession of belief in Him is, there- fore, a mere futility, which all men possessed of self-respect will reprobate. Now, we are not at present considering the arguments by which the existence of God may be proved, but the Agnostic position that no proof is possible. Belief in God, we must remember, is based, not on an acknowledgment that no evidence for it is furnished by reason, but precisely on the contention that the argument from reason is too strong to be resisted. To hear an Agnostic talk, we might well suppose that for believers the absence of reason was the very motive of belief, and that they are so preposterous a race as to claim it as their supreme merit that they give an assent for which they have nothing to show. But from the beginnings of philosophy men have been found, and those not the least worthy to be heard, who have thought with Cicero * that the existence of a God is no less manifest to us than is that of the sun in the heavens. Such an attitude can scarcely be called parallel to that implied in Professor Huxley's illustration of the sort of thing which in the name * De natura deorunt, ii. 2. Agnosticism in Theory and Practice 61 of Agnosticism he declines to accept. " If a man asks me what the politics of the inhabitants of the moon are, and I reply that I do not know ; that neither I, nor any one else have any means of knowing ; and that, under these circum- stances, I decline to trouble myself about the subject at all, I do not think he has any right to call me a sceptic. On the contrary, in replying thus, I conceive that I am simply honest and truthful, and show a proper regard for the economy of time." * It is surely obvious that in such a statement of the case the only point which is at issue is totally ignored. While it is acknowledged on all hands that we have no means of knowing anything about the man in the moon, it is strenuously asserted that we have means of knowing the existence of God. Professor Huxley, it is true, and those who think with him, declare these means to be no means at all, and so obviously delusive that those who trust in them are intellectually dishonest. But it is equally true that the other side have likewise something to say. According to them, the Agnostic arbitrarily elects to throw away all the means we have of discovering truth, excepting one ; and in resolving that nothing shall be true but what that one discloses, acts no more philosophically than a man would do, who should determine to admit the existence of nothing that he could not touch with his hands, and then declare his inability to know the existence of the stars. It therefore appears that when Agnostics speak of them- selves as unlike the rest of men, in that they demand reasons before yielding assent, they mean, in fact, that they alone know a good argument from a bad one, and insist on the genuine article. The one species of argument to which, outside of mathematics, they allow any validity is that furnished by physical science. Professor Huxley quotes with the highest approval the following utterance of Hume's : " If we take in hand any volume of divinity, or school metaphysics, let us ask, Does it contain any abstract reasoning concerning quantity or number? No. Does it contain any experimental reasoning concerning matter of fact and existence ? No. Commit it then to the flames ; for it * Lay Sermons, " On the Physical Basis of Life," p. 144. 62 Agnosticism in Theory and Practice can contain nothing but sophistry and illusion." And he thus continues in his own name : " Permit me to enforce this most wise advice. Why trouble ourselves about matters of which, however important they may be, we know nothing and can know nothing." * It is therefore plain that the cardinal doctrine of Agnosti- cism, the principle upon which its whole system turns, is the impossibility of arriving at the knowledge of any truth, other than those purely mathematical, save by the means of experimental science, and that all which such science cannot reach is utterly beyond our ken. That this is a proposition somewhat different from the one originally offered to us, is evident ; and now that we have arrived at a clear understanding of its nature it will be well to glance back at the account we have heard as to how the creed has won its way to the imposing position it now holds. It is the advance of physical science, as we have been told, that has done it all : to it is due the irresistible artillery against which stupidity itself cannot stand : this it is that has driven false teachers from the open field, and forced them, as Hume declares and Professor Huxley quite agrees, to take to the bush, and lurk like robbers under the shade of forests, where they may lie in wait " to break in upon every unguarded avenue of the mind and overwhelm it with religious fears and prejudices."! But here we begin to encounter perplexities. What physical science has done, is to increase our knowledge. By what process of reasoning does it appear that in so doing it has taught us that our knowledge is limited within bounds more narrow than was previously supposed ? Because we can find out much by means of experiment, is it therefore proved that we can find out nothing by any other means ? And unless the advance of physical science scientifically proves this, how are the bolts forged to shatter the thick heads of opponents ? Even were it assumed that science has come to the end of its possible discoveries, and shown * Lay Sermons, " The Physical Basis of Life," p. 145. The italics are his. t " Hume," English Men of Letters, p. 58. Agnosticism in Theory and Practice 63 us everything that by its means we shall ever know what bearing can this have on the point in question ? The implied argument is, that because science has not detected God in the world, there is no God to be found. But no one that has ever believed in God, supposed that He could be so discovered. Nay rather, if science had discovered Him, belief in Him would have ceased ; for a God that could be found in a crucible or with a spectroscope would be no God at all. It must therefore appear that the question is altogether untouched by the fact that physical science has extended its borders ; being concerned not with what such science can do, but professedly with what it can not. The gulf which yawns between Agnostics and believers, is one not of dis- puted fact, but of principle; and the principle on which they differ was just as clear, as it now is, before any one of the triumphs of modern science had been achieved. Those who at any period found reasons for belief, would find pre- cisely the same reasons existing in undiminished force to say the least of it now as then. Just as they are persuaded that there is another side to the moon, though human eye has never seen it, so are believers convinced that the objects presented to sense inevitably imply the existence of that which to the senses must ever be imperceptible. It would undoubtedly be more satisfactory, if instead of assuming that the grounds for such a belief must be al- together worthless, Agnostics would undertake to prove them so. It would be interesting to observe how this is done. On their own principles it should be, either by abstract mathematical reasoning, or by reasoning based on practical experiment. Which is it to be? And if the attempt to find a proof be successful, will its efficacy be restricted to the discrediting of beliefs which they wish to see discredited? Are there none held by Agnostics in company with all the rest of the world, and held beyond the possibility of doubt, which would then appear to be utterly unreasonable ? The argument attributed to the great Napoleon, is hard to meet. " You talk of my genius and firmly believe in it. But which of you has seen it ? " 64 Agnosticism in Theory and Practice Has any of us the smallest doubt that Shakespeare had the mind of a poet, and Newton the acumen of a philosopher ? Yet by what process of reasoning which Agnosticism sanctions can we have any knowledge whatever of the one or the other ? Is the beauty of the Iliad less certain than the chemical constitution of water ? Yet by which of the " ologies " is it disclosed ? Nay, what of moral goodness ? Oddly enough, in his very next sentence after that which endorses Hume's dictum, Professor Huxley continues : 'We live in a world which is full of misery and ignorance, and the plain duty of each and all of us is to try to make the little corner he can influence somewhat less miserable and somewhat less ignorant than it was before he entered it." But how is any such duty "plain" ? Is it by mathe- matics, or by physical experiment that it is demonstrated ? Or is it that the first principle of Agnosticism serves well enough in theory, especially if not too clearly stated, as a weapon of offence, but in practice is so unworkable that Agnostics themselves do not think of using it, not even while it is upon their lips ? To this difficulty succeeds another. According to the Agnostic account of the matter, all belief in what they declare to be unknowable is not merely actually erroneous, but intrinsically foolish, so foolish that it stamps those pro- fessing it as altogether unscientific. How comes it then that, not only in the benighted days of ancient philosophers and schoolmen, but amongst those upon whom beats the full light of science, those, moreover, to whom science is least a stranger, there should be found men who will persist in imagining that they can know what reason proves to be beyond the domain of knowledge ? Sir Isaac Newton assuredly knew something about science, yet does not he declare that to treat of God, as a deduction from what we see, is a necessary part of Natural Philosophy.* Sir John Herschel is of like mind ; so are, to confine ourselves to our own countrymen, Lord Kelvin, Professor Kalfour Stewart, Professor Tait, Sir George Stokes, Sir William Siemens, Sir William Dawson, Lord Rayleigh, Professor Faraday, and * Prinribia : Scholitun gcnerale. Agnosticism in Theory and Practice 65 Professor Clerk-Maxwell, to mention no others. Are these men of skulls so thick as to be proof against the new artil lery, and that though they stand close to the very mouths of its guns ? The Agnostic theory is therefore by no means so plain and simple a matter as at first sight we might be tempted to suppose. What then are we to say of Agnostic practice ? Of this we have already seen a little but much more remains to see, and to do so aright we must attempt to follow the path by which from its initial principle we are to be led to the fullest meed of knowledge attainable by man. For it must by no means be imagined that those who call themselves Agnostics mean that they are " Know- nothings." Quite the reverse. The ignorance to which they plead guilty concerning some things, is most abun- dantly compensated by assured knowledge, in comparison with which all other so-called knowledge must pale its ineffectual fires. All that is worth knowing in the universe is in fact to be known to us by the scientific method alone, and this is nothing else than the method of Agnosticism. " Natural knowledge," we are told," " is a real mother of mankind ; modern civilization rests upon physical science,"! in which the whole of modern thought is steeped, and which has forced its way into the works of "our best poets." { The same science has discovered the ideas which alone can satisfy " spiritual cravings " ; it has laid solid foundations for a new morality, j| and a new religion " cherishing the noblest and most human of man's emotions, by worship, ' for most part of the silent sort,' at the altar of the Unknown and Unknowable."" Moreover, while science thus conducts us to the most sublime philosophy of life, so can she alone guide us to sound the depths and mysteries in which the first beginnings of the universe lie hid. The cause of Agnosticism has identified itself with that * Professor Huxley, Lay Sermons. " On Improving Natural Know- ledge," p. 10. t Ibid., p. 117. I Ibid. I Ibid., p. u. || Ibid. T Ibid., p. 1 6. F 66 Agnosticism in Theory and Practice of Evolution, and in his character of Evolutionist the Agnostic is undoubtedly acquainted with much which to the ordinary unscientific mind appears quite as unknowable as anything which we have been warned not to fancy we can know. The Agnostic Evolutionist believes devoutly in the cosmic vapour from which all things in heaven and earth have come; in its molecular constitution in which they were all pre-ordained; and in those inevitable laws of Nature according to which they were worked out.* As he believes nothing without a reason, he has, of course, a reason for all this, and a reason that will stand the test of his own principles ; and in examining the process by which his system is built up, we shall have an excellent object-lesson wherefrom to gather instruction as to the scientific method of which we have heard so much. It is undoubtedly a little startling to find that the first thing we have to do is to make an act of faith : of faith in that which, " by the very nature of the case, is not sus- ceptible of proof." This " one act of faith in the convert to science," says Professor Huxley, " is the confession of the universality of order, and of the absolute validity, in all times and under all circumstances, of the law of causa- tion." t " It is quite true," he tells us elsewhere, \ " that the ground of every one of our actions, and the validity of all our reasonings, rest upon the great act of faith, which leads us to take the experience of the past as a safe guide in our dealings with the present and the future. From the nature of ratiocination it is obvious that the axioms on which it is based cannot be demonstrated by ratiocination." Lest, however, we should be shocked, in view of the prin- ciples to which we have just listened, by this announce- ment, he hastens to reassure us by the declaration, that if this act of faith be not experimentally proved, it is at any rate experimentally verified, and that this is much the same thing. "Such faith," he writes, "is not blind, but * Professor Huxley, " On the reception of the ' Origin of Species," " Life of Darwin, vol. ii. p. 201. t Ibid.) p. 200. \ Nineteenth Century, February, 1889, p. 185. " Reception of ' Origin of Species,' " ubi sup., p. 200. Agnosticism in Theory and Practice 67 reasonable ; because it is invariably confirmed by experi- ence, and constitutes the sole trustworthy foundation for all action." It is clear that, whatever may be their value for other purposes, these dicta afford abundant material for the exer- cise of our reasoning faculties. In the first place, is it plain what is to be the object of our great and fundamental act of belief? The "universality of order" and the " absolute validity of the law of causation " is scarcely the same thing as the " safe guidance afforded by our experi- ence," yet these are severally presented as the object of the one and only act we have to make. Moreover, as any act of faith must needs deal with that which we have not ex- perienced, it is scarcely obvious how our experience sup- ports it. Experience, for instance, tells me that all the unsupported stones I have ever seen have fallen. What precise bearing has this fact, by itself, on my belief that other stones will fall ? And what, by itself, has it to do with the law of causation ? If, indeed, from the pheno- menon of falling stones I deduce the existence of a force making them fall, then indeed, from the permanence of such cause and its activity, I may be convinced that stones in the future will behave as in the past ; just as I believe there will be trains on our railways to-morrow, not because there were trains yesterday, but because I believe in the existence of railway companies and engine-drivers. But this, apparently, is not the scientific mode of arguing. " What do we know," asks Professor Huxley, "about [this] phenomenon ? Simply that, in all human experience, stones have fallen to the ground under these conditions ; that we have not the smallest reason for believing that any stone so circumstanced will not fall to the ground ; and that we have, on the contrary, every reason for believing that it will so fall. It is very convenient to indicate that all the conditions of belief have been fulfilled in this case, by calling the statement that unsupported stones will fall to the ground, ' a law of nature.' But when, as commonly happens, we change will into must, we introduce an idea of necessity which most assuredly does not lie in the observed 68 Agnosticism in Theory and Practice facts, and has no warranty that I can discover elsewhere. For my part I utterly repudiate and anathematize the in- truder. Fact I know, and law I know ; but what is this necessity, save an empty shadow of my own mind's throwing ? " * It thus appears that, as the first step in our scientific regeneration, we are resolutely to accept the belief that things always proceed in one manner, though nothing compels them to do so ; our reason for so believing being that we have every reason, though such reasons are of too delicate a nature to admit of being stated. Meanwhile, as is clear, we have not gained any very clear information as to the place which the law of causation is to hold in our esteem. It must, however, be supposed, that the statement of its claims is latent in the utterances which we have heard ; for, as a prelude to his exposition of the act of scientific faith, which we are considering, Professor Huxley indulges in some very hard words regarding those who have not made this act, expressly on the ground of their blindness to this very principle. " Do they really believe," he asks, " that any event has no cause, and could not have been predicted by any one who had a sufficient insight into the order of Nature? If they do, it is they who are the inheritors of antique superstition and ignorance, and whose minds have never been illuminated by a ray of scientific thought." f We must therefore believe that the starting-point of our faith, if we would deserve the name of scientific thinkers, is this. We observe all operations of Nature proceeding from material cause to material effect, each cause being itself the effect of some other cause preceding it. For instance, the falling of a stone is not caused alone by the force of gravity ; it is required that the stone should be in a position whence it can fall ; and that it should find itself in such position there must have been something to lift it ; while again, that it should be raised to any point, it must first have been below it. Seeing the forces of Nature always and every- * Lay Sermons. " On the Physical Basis of Life," p. 143. t " Reception of ' Origin of Species,' " ubi sup., p. 200. Agnosticism in Theory and Practice 69 where producing the same phenomena in like circumstances, we are to conclude, with absolute certainty, that they always have done so, and always will do so ; that the key which alone can unlock the secrets of Nature is a full and frank acceptance of the principle, that there never has been any other process, or at least that we can know nothing at all of any other, and that we obey the dictates of reason in resting satisfied with this explanation of the history of the universe. This, I say, seems to be the meaning though I speak with some diffidence. But what then is the "necessity," against admitting which we are so earnestly warned? If unsupported stones will inevitably fall, why is it so very wrong to say that they must do so ? Yet, from the warmth exhibited by our instructor, it is clear that something of prime importance turns on this. Must it not be that the intruder whose appearance is so fiercely resented is a First Cause, arranging the machinery of the universe to go in the way He wishes and not otherwise ? We are to say that the laws of Nature run in one groove, because as a matter of fact it is in that we see them run ; but on no account are we to say that it was made for them to run in. This is, I hope, a fair exposition of the system, and if it be so, we have, as is obvious, ample food for thought. At present, however, we are concerned not so much with the system itself as with the method in which it is worked by its votaries, and in which they deduce from it the far-reaching consequences of which we have heard. Since all that we see in the phenomena of Nature pro- ceeds from material cause to effect, we have to assume with them that this has ever been the course of things, and that, in the assumption that it has been so, we find the only solid and satisfactory groundwork for any belief concerning Nature ; while " Nature," we are elsewhere told, " means nothing more nor less than that which is ; the sum of phenomena presented to our experience; the totality of events passed, present, and to come." :;: It follows, therefore, * Professor Huxley, Hume, p. 1 3 1 . It may be remarked in passing, that " that which is" can scarcely be synonymous with " events," and 70 Agnosticism in Theory and Practice that this principle, scientifically handled, gives us to know all about everything. We proceed accordingly in quest of some starting-point, whence these events which make up the universe began to evolve themselves. That there was a starting-point is admitted, for astronomy, we are told, "leads us to contem- plate phenomena the very nature of which demonstrates that they must have had a beginning." * This beginning was the " cosmic vapour " or "primitive nebulosity," by the interaction of whose molecules, according to the laws of matter, everything in heaven and earth has been produced. That this is the case is the " fundamental proposition of Evolution," t and Evolution being the pet theory of Agnos- tics, shedding the only true light on the history of things, it would appear that we are supposed to have arrived in this proposition at something which affords a stable and solid basis whereon to build our edifice of knowledge. But what, meanwhile, of the principle of causation, and its absolute validity in all times and under all circumstances, to which we have been bidden to swear allegiance ? Even if we do not feel inclined to follow the example that has been set us, by calling the cosmic vapour an " event," yet undoubtedly the coming of its molecules into position must be one : nay, so must the production of those molecules themselves, for, as Sir John Herschel says, a molecule is a " manufactured article." What then was the cause of the vapour ? It needs a cause as much as the steam in a boiler, or the gas in our pipes : or at any rate, if we say that it needed none we must flatly contradict the principle of causation, and begin the working of our system by denying its fundamental tenet. Yet, strange to say, not only is no information whatever forthcoming on this vital point, but it seems actually to be implied that none is needed, because the time was so very long ago. " Phenomena," says Professor Huxley, in the passage above quoted, "the very nature of which demon- that according to the above definition it should follow that nothing exists but what comes within reach of human sense. * Professor Huxley, Lay Sermons, p. 14. f Professor Huxley, Lift of Darwin, ii. p. 201. Agnosticism in Theory and Practice 71 strates that they must have had a beginning, .... but the very nature of which also proves that the beginning was, to our conception of time, infinitely remote." What "our conception of time " can have to do with the business, is not obvious ; yet it would really seem as if we are expected on this ground to dismiss as irrelevant all further inquiry ; nay, we are asked to assent to the proposition that it is the astronomer himself, while he discovers the duration of the universe to be certainly finite, who at the same time dis- covers it to be " practically " infinite. " The astronomer," we are told,* "has set before us .... the practical eternity of the duration of the universe." He " observes the mark of practically endless time set upon the arrangements of the solar system." f In consequence, " men have ac- quired the ideas of the practically infinite extent of the universe and its practical eternity." J Clearly, "practical" is a word to conjure with. But what does it mean? What is a " practical eternity " ? and how does it differ from an eternity of any other species ? In our survey of the past, either we come to a point where we have to bid good-bye to the principle of causation, or we do not. If we do, there is an end of the absolute and everlasting validity of that principle before there is a beginning of it. If we do not, how is the principle to be applied to the beginning of the universe, a beginning requiring a cause just as imperatively as any of the phases through which it has since passed ? In plain truth, this wonderful principle, introduced with so much pomp and circumstance as the discovery of " Science," is not only of hoary antiquity, but has actually been the very groundwork whereon philosophers, of the pre-scientific days, have ever rested their belief concerning what Agnostics dub the unknowable. Since reason and experience combine to assure us that there can be no effect without a cause, and since every cause we find in physical nature is the effect of something else, it has ever been argued that Nature cannot have started her own machinery ; that there must be a Cause distinct from her, and in- dependent of her laws ; a Cause which is not an effect, but * Lay Sermons ; p. 15. f Ibid., p. 16. \ Ibid., p. 17. 72 Agnosticism in Theory and Practice has its existence of itself, and which contains all the power exhibited by the forces of matter, which can have obtained their efficacy from it alone. And if the researches of physical science have demonstrated that Nature as we know her must have had a beginning, they do no more than confirm what the benighted race of metaphysicians have always told us must have been. Being thus speedily brought up by an impassable gulf in attempting to follow the workings of the Agnostic principle even on the physical side, it can scarcely be worth our while to attempt any examination of its claims to satisfy "spiritual cravings," and provide us with a higher and purer morality, and a religion worthy of men. It would indeed be far from easy to pursue such an investigation ; for beyond high-sounding assurances that it does all this, Agnosticism is provokingly reticent as to how it does it : while to the ordinary mind, that it should do so at all seems just as unlikely as that a steam-engine should write poetry. The one contention which seems to glimmer through the utterances we meet on the subject, is that a man must be improved by coming in contact with the facts of Nature, that, as Cardinal Newman puts it, he must be better for having inspected a megatherium. But, in the first place, when we ask what is meant by " better," we are told of our ' ' plain duty " to practise various moral virtues, the mere existence of which no " scientific " process can discover. And besides this, is it not a peculiar method of inducing men to cultivate virtues or anything else, to assure them that they were contained in the cosmic vapour, and can by no possibility be anything else than its constitution ordained them to be ? This, then, is the New Philosophy. This it is that shall set the world right. Against accepting this, stupidity alone is proof. EVOLUTION AND DESIGN As has already been remarked, it is exceedingly difficult to determine which of the protean forms assumed by the Evolutionary Creed is to be regarded as its genuine and authentic representative, or to whom, amid the multitude of its teachers, we may listen with confidence, as being warranted to speak on behalf of any one besides himself. The days are long past when Mr. Darwin's doctrines reigned supreme, and those who still speak of him as their master may safely be assumed to have abandoned, tacitly or openly, all that was essential to his system. The theory of Natural Selection which he elaborated with so much care has faded away amid the flood of light evoked by the interest which it aroused, the researches of a host of in- vestigators, whom in great measure he taught to observe, having revealed innumerable phenomena in Nature with which his hypothesis cannot be made to square. His leading disciples, like the officers of Alexander the Great, have accordingly divided his empire amongst them, devis- ing a variety of systems, which, while they differ from his, differ likewise from one another, and as none of these has succeeded in obtaining any general, or even very wide, acceptance, outsiders are naturally at a loss to know to what guide they should entrust themselves if they desire to arrive at the knowledge of evolutionary doctrine pure and undefiled. So far as positive doctrine is concerned, this only is common to the various groups amongst which Evolutionists, VI, 74 Evolution and Design properly so-called, are distributed, that the universe has been " evolved " by some process or other, and in obedi- ence to some law. On the negative side, however, they are more explicitly in unison, the essential backbone of every evolutionary system being the denial of an Intelligence presiding over and directing the processes of Nature, what- ever they have been. " Evolution," as commonly explained, means nothing, if it does not mean that everything has been worked out by blind, automatic forces, and that we find in all Nature no evidence of a designing Mind. This is clearly the cardinal point of the doctrine, which, being granted, all can harmoniously agree to differ. But for the idea that to explain the existence of Nature, as we observe it, is required a First Cause, possessed of Understanding and Free-will, there is no tolerance, and nothing so surely arouses the anger of the more eager partisans of the New Philosophy as to hint that the world bears traces of Design. Thus we find that, on the first promulgation of Mr. Darwin's system, to which, however, he never committed himself, Professor Huxley proclaimed it to be the great merit of its author to have dealt a death-blow to the idea that the eye was made for the purpose of sight.* Professor Romanes declared that, in face of Evolutionary Science, the Theist must despair of answering the question " Where is now thy God ? " t Professor Clifford, Mr. Herbert Spencer, Mr. Frederick Harrison, and other leaders of discordant schools, are enthusiastically at one on this fundamental point. It would even appear that a man of science, however eminent, who presumes to think otherwise, is held to forfeit all claim to consideration. Some years ago, Sir George Stokes, of whose position in the scientific world nothing need be said, being engaged to deliver the Burnett Lectures before the University of Edinburgh, chose for his subject " The beneficial effects of Light." In treating it, he was led to speak of the structure of the eye, from * Reception of the Origin of Species. t Darwin and after Darwin, p. 412. Evolution and Design 75 which he gathered the very conclusion which Professor Huxley had pronounced to be for evermore impossible. " When we contemplate all this," he declared, " it seems difficult to understand how we can fail to be impressed with the evidence of design thus imparted to us. But design is altogether unmeaning without a designing mind. The study, then, of the phenomena of Nature leads us to the contemplation of a Being from whom proceeded the orderly arrangement of natural things that we behold." :;: Such an utterance could not be suffered to pass without reproof, and straightway Professor Karl Pearson was up in arms, taking the President of the Royal Society to task in the fashion of a schoolmaster dealing with a naughty boy. Sir George, he declared, had " prostituted science " ; he had degraded his high office by "dabbling in the mire of natural theology," and presenting Scotland with a new edition of the rare old "argument from design"; he was "like a resuscitated Paley, who discovers in the eye an evidence of design, and startles the countrymen of Hume with a physico-theological proof of the existence of the Deity"; and so on.f It must, however, be remarked that, like some others who assail the argument from Design, the Professor does not seem to have been at the pains of understanding it. His antagonist is a mere man of straw, and the argument he puts in his mouth a manifest absurdity, which no one in his senses ever thought of upholding. Professor Pearson would seem to imagine that believers in Design actually argue in the fatuous style caricatured by Hegel, that the vine was created solely to provide mankind with wine, and that the cork-tree was thoughtfully added to furnish stoppers for their bottles. J No doubt, as the German philosopher observes, in arguing thus, we fall into " trifling reflections," but it might seem equally evident that puerilities such as this do not adequately Bttrnett Lectures, p. 327. of Sci t "The Prostitution of Science"; printed in The Ethics of Free- ought, pp. 33-35. \ Quoted by Pearson, nt sup., p. 41. 76 Evolution and Design represent the position, taken up, amongst others, by Sir Isaac Newton, that to treat of God as a deduction from what we see is a necessary part of Natural Science. Still more clearly is such misapprehension exhibited by another argument frequently adduced. It is said that we can argue nothing from the actual order of the universe, for had it been different from what it is, we should still have discovered similar reasons to justify a like conclusion. This is rather like Lord Brougham's nai've speculation as to how his character would have been affected had his father married some one else and not his mother. It is quietly assumed that in any case the world must have been a scene of law and order, and the home of intelligent creatures, or else "we" should not be there at all to indulge in any speculation concerning it. But this is the whole question at issue. Those who believe in Design as a deduction from what they see, do so precisely on the ground that there could be no reign of law without a law-giver ; that, as nothing can be got out of a sack but what is in it, if there be intelligence in the world now, it must have been existent from the first ; that, according to Professor Francis Newman's dictum, "he who made man must have had all that man has, and more " ; that all attempts to explain the existence of any order in Nature consistent with organic life, without introducing the element of an Intelligence guiding things towards a definite end, must fail to provide our minds even with what is termed a " working hypothesis." To deserve such an appellation, an hypothesis must "work" that is to say, it must furnish an explanation which our minds may conceive to be the true one, and which is not manifestly inadequate for its purpose. It seems impossible to deny the conceivability of a sufficient intelligence having planned, and a sufficient power having fashioned, all the machinery of Nature. We may go farther and ask, with Bishop Butler, " Will any man in his senses say that it is more difficult to conceive how the world came to be, and to continue as it is, with an intelligent author and governor, than without one ? " We may, accordingly, claim that the doctrine of Design is a "working hypothesis." But can we say as much Evolution and Design 77 for any other ? Does any system which excludes this fundamental principle, furnish us with a substitute which even conceivably can suffice to take its place ? This is the question that has to be answered in the affirmative before we can style such a system a " working hypothesis." In this inquiry it will be convenient to limit ourselves to the domain of organic life, not because it is here alone that evidence of design may be found, but because its demon- stration is here most simple, and therefore best adapted for popular exposition. ::: We begin, therefore, by observing the fact that we con- stantly find in Nature complex mechanisms so admirably adapted to the production of some result, that no terms have yet been discovered by which they may be described, * " The argument in favour of a creating and presiding Intelligence may be drawn from the study of physical agency such as the properties of heat, light, and sound; of gravitation and chemical combination; the structure of the globe, the divisions of land and sea, the distributions of temperature ; nay, the mind may rise to the contemplation of the sun and planets, their mutual dependence, and their revolutions ; but as affording proofs, obvious not only to cultivated reason but to plain sense, almost to ignorance, there is nothing to be compared with the mechan- ism of the animal body, and the adaptations which effect the well-being of living creatures." (Notes on Paley's Natural Theology, By Lord Brougham and Sir C. Bell. Charles Knight's Edition, vol. ii. p. 16, 1845.) Concerning the ultimate resolution of matter into molecules and atoms by modern chemistry, Sir John Herschell writes: "When we see a great number of things precisely alike, we do not believe this similarity to have originated except from a common principle independent of them ; and that we recognise this likeness, chiefly by the identity of their deportment under similar circumstances, strengthens rather than weakens the conclusion. A line of spinning-jennies, or a regiment of soldiers dressed exactly alike, and going through precisely the same evolutions, gives us no idea of independent existence; we must see them act out of concert before we can believe them to have independent wills and properties, not impressed on them from without. And this con- clusion, which would be strong even were there only two individuals precisely alike in all respects and for ever, acquires irresistible force when their number is multiplied beyond the power of imagination to conceive. If we mistake not, then, the discoveries [of chemistry] destroy the idea of an eternal self-existent matter, by giving to each of its atoms the essential characters, at once of a manufactured article and a sub- ordinate a^eitt." (Preliminary Discourse on the Study of Natural Philosophy, p. 38.) 7 8 Evolution and Design except such as we are accustomed to use of works wherein we detect the hand of man. We style them "contrivances," "devices," or "instruments." In our search for an account of a method by which these have been produced, apart from intelligent design, despite the discrepancy of the views entertained by evolutionists, whereof we have spoken, it would appear that we may confine ourselves to that of Mr. Darwin, and examine the claim of his system to present itself as a "working hypothesis." We prefer to do so for two reasons. First, Mr. Darwin's theory is alone sufficiently tangible and definite for examination, and has far more than any other impressed itself on the imagination of the world at large, so that Professor Weis- mann can speak of it as alone furnishing an alternative to the principle of design. Secondly, apart from the question of first beginnings, about which he has nothing to say or to suggest, Mr. Darwin faces the real question at issue more fairly than do many others. He does not rest his case on " innate " or " inherent " qualities or tendencies, germinat- ing as things go on, as does the embryo within a seed ; and to postulate anything of the sort is only to remove the difficulty further back, not to meet it. It has been well said that a man hearing an organ play, and concluding that there is another man producing the tunes, is radically right, though it should prove that the instrument is played by a spring within itself; and in just the same way, to explain the adaptation of means to ends in Nature, by saying that in the beginning things were so constituted as spontaneously to produce them, is to leave us, so far as a solution of the problem is concerned, precisely where we were. Mr. Darwin, on the other hand, given life once started, in however primitive and rudimentary a form, undertakes to show how the most perfect and complex machinery might be developed, without any guiding lines to determine the process. Variation from an existing type, and not specifi- cally tmvards any other, is the force on which he relies for the purpose. As it seems to be almost universally assumed that such an agent can be sufficient for the work with which we are asked to credit it, we must endeavour to realize the Evolution and Design 79 full meaning of such an assertion, and may conveniently find an instance by which to test it in that very organ to which Professors Huxley and Pearson have referred. The eye, as we find it in man and vertebrate animals, is an instrument of vast complexity, consisting of an infinity of parts, which must not only do each its own appointed work towards producing vision, but supplement that of the rest, in order to produce one definite result, imperatively conditioned by the laws of light. Cornea, aqueous humour, iris, crystalline lens, vitreous humour, and retina may be roughly spoken of as the parts of this delicate " camera," nicely adjusted to ensure the production of a picture more perfect than was ever formed in that of a photographer; but each of these parts is again built up of others of bewildering complexity and extraordinary construction, * exhibiting fresh marvels and suggesting fresh problems as we succeed in pushing our observations further and further ; while so well do they all subserve one end, that Mr. Darwin himself speaks of the " inimitable contriv- ances " t exhibited in the organ. It therefore appears that we may well say of this, as Mr. Wallace says \ of some structures, that it has " very much the appearance of design by an intelligent designer " ; and we can easily believe the same authority when he tells us that the thought of it, even to the last, gave Mr. Darwin a cold shiver, on account of the conclusion to this effect which it so forcibly suggested. Nevertheless, both Mr. Darwin and Mr. Wallace succeeded in persuading themselves that the eye may have been manufactured by a blind mechanical process in the following manner. We must, it is true, take for granted that there was to start with a rude organ of vision, which originated in some unknown manner ; but this may have been as simple and imperfect as we like, the extremity of a nerve which had grown sensitive to light, as other nerves are to touch, and capable only of distinguishing illumination from darkness, * See " The Eye and its Making," The Month, June, 1890. t Origin of Species, p. 143. Twelfth thousand. \ Darwinism, p. 113. Ibid., p. 130. 80 Evolution and Design as we can when our eyes are shut. Given this, we are told that all is clear. The animal possessing such an organ would hand it on to its progeny, but Nature never copies her own work quite exactly, and the visual apparatus of the young would differ in various particulars from that of the parent. Some of these variations would be in the direction of more perfect vision, and those lucky enough to have acquired the better organs would fare better in the battle of life, and become the progenitors of the next generation ; some members of that generation, on the same principle, would have an outfit still more effective, enabling them to live down all their congeners not possessing similar advantages, and exactly to reverse the lament of Horace : " Our parents than their sires were worse ; Beneath our sires have we declined ; A generation more perverse We presently shall leave behind." Each generation would, in fact, advance, though never so little, upon that preceding it ; the individuals possessing desirable modifications being infallibly picked out for sur- vival by the forces of Nature, amid the jar of which they could subsist while others perished, until something better than themselves had been produced. In living bodies, says Mi. Darwin, * variation will cause the slight alterations, generation will multiply them almost infinitely, and Natural Selection will pick out with unerring skill each improve- ment. Let this process go on for millions of years, and during each year on millions of individuals of many kinds ; and may we not believe that a living optical instrument might thus be found as perfect as that which we find in the eye ? t That is to say, we are to hold it as at least * Origin of Species, p. 146. t Mr. Darwin's own words are : " A living optical instrument, as superior to one of glass as the works of the Creator are to those of man." In his correspondence, however, he expresses regret for having so far truckled to public opinion as to employ the old ' ' Mosaic " terms "Creator" and " Creation," and explains that when he speaks of a thing as having been " created," he means no more than that it has appeared, in some manner of which he knows nothing. Evolution and Design 81 conceivable that a process such as we have seen described has resulted in the construction of a delicate and com- plicated optical machine, with its series of lenses of different and intricate structure, throwing a picture upon a yet more complex screen, the functions of which, even when we have with immense labour distinguished something of its various parts, we are still unable to understand. It is not easy to find an example which shall help us even partially to realize the magnitude of the demand thus made on our belief. Let us, however, imagine a great multitude of children who have a natural aptitude for drawing, sufficient to ensure that they shall imitate very closely any simple copy set before them, but quite un- trained, so as never to imitate it quite exactly. They have never seen a tree or a flower, and it is proposed to make them delineate one on the principles of casual variation, a lynx-eyed teacher watching over and directing the process. He gives as their first copy a plain straight line, proposing to lead them on to produce amongst them the likeness of a buttercup. Of the first set of drawings made, all will vary in some degree from the austere simplicity of the original ; there will be, at least, the suggestion of curves and protuber- ances, some of which may possibly serve as the first distant approaches towards the delineation of leaves and blossoms. The most likely to serve such a function is picked out from the lot, and being faithfully reproduced to the required extent, is set before the class as their second copy ; they being bidden to represent it exactly as it is. The attempt emphasizes the variations already inaugurated, the most promising of which is again selected to form the model for the third lesson. Is there any possibility that such an experiment, on however large a scale it were tried, and however often it were repeated, should result in producing a single sketch accurately representing a buttercup of the fields ? And yet, the conditions of an optical instrument, like the eye, are as definitely fixed beforehand as the out- lines of the required flower. The laws of light, which were in full force long before the first eye was invented, impera- tively demand the fulfilment of definite conditions before G 82 Evolution and Design an image can be formed ; while the methods, we are told, on which Nature works have no more purpose in them than the inability of our copyist to reproduce what they imitate. If her only power of producing something new has been her ineradicable tendency to depart from previous types, we may truly say that the eye, and all similar organs, are the monuments of Nature's inaccuracy. We may be allowed to ask whether this appears to be a " working hypothesis," to say nothing of its dealing a death-blow to any other ? It must also be remembered that the problem from which an illustration has been sought is, comparatively speaking, very simple. How would the process we have imagined be likely to succeed in providing us with an accurate likeness of " a peacock in his pride," or a Gothic cathedral, or the engines of an ocean steamer, or, let us say, a diagram of the eye itself? Yet must the equally blind operation of random variation be credited with the production, not only of some one work, as accurately fitted and finished as any of them, but of an infinite multitude, adapted to purposes the most diverse, all accurately satisfying the requirements of inexorable laws. It is not only the one organ which we have hitherto con- sidered in which " Nature " shows her craft ; nay, eyes such as our own are not the only instruments she has invented for purposes of sight. There are compound, as well as simple, eyes, constructed on a totally different plan, which we cannot imitate, having not the least idea how it works, but which obviously satisfies the laws of reflection and refraction, enabling the creatures possessing such organs to see, in some respects possibly better than ourselves. In like manner ears are adapted to the laws of sound in a manner perhaps still more marvellous, and fitted with machinery of exquisite manufacture ; the wing of every creature which flies practically solves, though the methods of solution are very different, a problem of pneumatics with which we are unable to grapple even in theory : paw and talon, fin and hoof, the fang of the snake, the sting of the bee, the tongue of the butterfly, each of them, and a count- Evolution and Design 83 less multitude of other tools or weapons, is accurately fitted for a special work by an intricate system of most delicate machinery ; nay, there is no part, however seemingly trivial, of any creature, however low in the scale of life, which does not prove on examination to be a structure wonderfully built up so as exactly to satisfy the conditions of its own func- tions that is to say, when we have got so far as to know what those functions are. =:: Neither must we forget that it is not in the animal world alone that we meet with this sort of thing. Amongst plants, too, there are innumerable instances of means adapted to definite ends quite as wonderful as those we have been considering. Thus, a genus of orchids \ is provided with a kind of spring-gun, which, when a bee enters a blossom, discharges at him, by means of a very ingenious mechanism, the glutinous pollen-mass, and this adhering to the insect's back, is carried away by him to serve for the fertilization of the next blossom he visits. Another orchid (Coryanthes} secures the same object in an altogether different manner. This sets a trap for the bee, the lower lip of the flower enlarging into a bucket with a spout on one side, while two water-secreting horns above keep this vessel constantly full. A bee visiting the flower occasionally tumbles into the bucket, and then crawls out by the spout, but in doing so has to squeeze his back against a similar sticky mass of pollen, and carries it off with him, to be presently left on precisely the right part of the next Coryanthes he visits, for purposes of fertilization. We find, moreover, that what Mr. Darwin styles the " very curious contrivance " of a mass * The author of a delightful book, A Nattiralist on the Prowl, speaks thus of one such organ : ' ' But may not a butterfly have other means of knowing than by seeing or smelling ? Aye, there's the rub. For what a priori reason is there that the phenomena of this world should reach the brain of a butterfly only through the five gates of Man- soul ? And if there are other means of access, how can we even conceive them ? What are antennre of a butterfly ? ' Feelers ' they are called in English, but to overawe the unlearned, we men of science write of them as antennae, which mean the yards of a ship. Under either term we know as much about them as the butterfly knows why I carry a walking- stick." f Catasetum. 84 Evolution and Design of pollen-grains borne on a footstalk with an adhesive gland, is apparently the same amongst asclepiads as among orchids, though these kinds are about as remote from each other as flowering plants can be; whence it appears that nature has been able to hit upon the same ingenious device twice over. What is the meaning of this wealth of inventive power ? When the little girl voyaging in Dreamland heard of an insect whose food was weak tea and bread and butter, and asking what happened if it could not get such fare, was told that then it died, she not unnaturally objected that this must happen very often. " It always happens," was the reply. But here we have a puzzle precisely the reverse. No one of the creatures we find upon the earth could exist unless it happened to be provided with mechanisms of most extraordinary complexity, and equally wonderful efficiency. Yet it always happens that they have got them. To construct a " working hypothesis " as to how this comes to be, we must be able to find within our experience a force which of its nature is capable of doing work analogous in kind. Of one such force alone have we any knowledge that of intelligence co-ordinating means towards an end. Therefore do we say that we find in nature traces of intelli- gence and these we call the argument from Design. It is true that the Intelligence which we thus recognize must be One so immeasurably beyond our own, as to stamp it as of quite another order. It can create what we can but feebly copy, and devise what we cannot fully understand. But this only assures us that in it there is all that is in our own intelligence, and more. We may obtain true notions of a figure though we see its shadow only and not itself. The fact that the mind of Shakespeare is a puzzle to us, does not hinder us from believing that he had a mind. Many who have read thus far will doubtless have desired long since to urge an objection, often supposed to be fatal to such an argument, which is founded upon the very example on which most stress has been laid. The eye, it is said, is far from being a perfect instrument for its purposes in fact, it is an exceedingly imperfect one not Evolution and Design 85 being properly corrected for chromatic aberration. Has not Professor Helmholtz himself declared that were an optician to send him an instrument so defective, he would at once return it to the maker as a bungling piece of work ? To this we might reply that as we have not the faintest conception as to how the eye does the work of seeing, it is somewhat premature to speak of defects in its mode of operating. We know, it is true, that its lenses throw a picture on the retina, as do those of a camera on the screen ; but as to how this produces vision we know nothing at all. It used to be supposed that vision depended on this picture, just as the photograph does, and because rays of different colours penetrated the screen to different depths, it was thought that this must tend to spoil the result in the one case, as it would in the other. But it has since been sug- gested that the process by which the picture is connected with sight is a chemical one, and according to this theory, if the rays did not penetrate to different depths, we should not see at all. More recently, Professor Lodge has again suggested that the process may be electrical, and here again it might well be that what has been represented as a defect should prove to be an essential condition. We do not see the picture on our retina : its formation is but the last step which we can follow in the mechanical process whereby light is translated into sight : and what follows after that is still absolute mystery. Let us, however, suppose that things are as the objection assumes. Let the eye be as far from ideal perfection as we like : this nowise diminishes the force of our argument. Whatever it might possibly do, there is no doubt as to what it does. It sees. The telescope used by Galileo was, no doubt, a most primitive and imperfect instrument ; equally faulty was the steam-engine invented by James Watt ; but do we therefore doubt that the one and the other gave proof of design ? We say, not that the eye, or anything else, is the best article of its kind that could possibly be made, but that, as it actually exists, it is what nothing but intelligent design could have produced. 86 Evolution and Design Another objection, and one apparently more fundamental, is probably awaiting us. Our argument has proceeded throughout on the assumption that the only force to which, on Darwinian principles, the manufacture of new organs can be attributed, is that of random variation. We shall be reminded that we have failed to reckon with the potent factor of "Natural Selection." Undoubtedly this is con- stantly spoken of as if it were such a force ; but it is equally evident that such it cannot be. Natural Selection, on the showing of its authorized advocates, can never possibly make anything : it cannot even preserve what is made. All that it can do is to remove rivals from the path of a creature which is fit to develop. Let us suppose that there is a pond inhabited in company by gold-fish and by common carp. The latter are the bigger and stronger and get the lion's share of the food, which is, of course, limited in amount, and in consequence the gold-fish are not only few in number, but poor in condition, being stunted in growth and dull in colour. The owner, however, wishes to en- courage the more ornamental species, and for this end at frequent intervals draws a net through the water, the meshes being large enough for them to pass easily through, while at least the mature carp are caught. In consequence of this action of his, the gold-fish increase and multiply, and having the benefit of a far more ample food-supply than previously, become portly of form and brilliant of hue. But though they have to thank the net for the chance of developing, it does not develop them. They must acquire the power of becoming plump and golden from some other quarter, else will they no more improve under their new conditions than do the sticks and straws which pass in their company through the meshes. Natural Selection is the exact analogue of such a net ; it can initiate nothing ; whatever benefits by its operation must be prepared to benefit before it begins to act : the fittest must be the most fit before it survives. In this brief survey of the line of argument which seems to lead most easily to the recognition of Design in nature, we have confined our attention, as has already been inti- Evolution and Design 87 mated, to one particular feature of the organic world. Were we to stray beyond such limits, and consider pheno- mena of a wider and more complex character, though it would be less easy to draw forth with the same precision the chain of reasoning which they suggest, it would still remain true that intelligent Design is at least a conceivable explanation, and therefore furnishes a "working hypothesis" ; while as to the systems arrayed against it, he would be a bold man who should say that his knowledge of the details of Nature's methods is such as to entitle him to pronounce that any one of them is even possible. Take the following graphic description, by an author already cited, of the pro- vision made by Nature for the work which she requires in one department, and let us ask ourselves whether we can truly imagine any explanation of it, which shall be more than an imagination. The writer has been describing the manner in which beetles drag down manure beneath the earth, to provide for their grubs. He thus continues : " It is intensely interesting to watch these little creatures toiling so industriously to make provision for their children, which will never know them or requite their care. But there is a far deeper interest in the thing. Soar above the individual beetle and its private ends, and contemplate all the myriads of beetles scattered over the face of the coun- try, working together to carry out a great purpose which never comes within the scope of their personal aims. What is it they are doing ? They are tilling the ground. These jungles are as all the face of the earth was when Adam was still uncreated, and there was not a man to till the ground. As then, so now, there often comes up a mist which waters the earth. But that is not enough. The ground must be ploughed, that that which is upon the top may go down, and that which is below may come up. " The opposite process is for ever going on. Every tree is silently but ceaselessly at work, thrusting its roots, like fingers, down into the earth, and separating and drawing up certain constituents of the soil, and conveying them through the channels of the trunk out to the ends of the branches, and moulding them into leaves. The leaves will 88 Evolution and Design wither, and fall to the ground ; or else cattle will eat them, or insects will feed upon them ; but they too will die, and fall to the ground. "Thus certain elements of the earth are for ever being brought up from the depths, and laid upon the surface. This cannot continue. They must be taken down again, and restored to the soil, or the foliage of the forest will soon fail, and the earth will be as barren as the moon. To carry out this great work there must be workmen, and millions upon millions there are, working as silently and as ceaselessly as the trees." * The writer goes on to describe the process in some detail, telling us how there are different departments, each with its own staff. Wood-boring beetles are told off for old tree-trunks, turning them into powder to mix with the soil. Burying beetles take charge of animal remains, and earth-worms of the leaves, " a countless gang of laborious workmen, appointed to take the dead leaves to the place whence they came, and convert them into soil again, that the earth may be green." Moreover, he declares that there are overseers set over these workmen to keep them to their tasks. The birds are ever looking for worms, and the worms have consequently to look out for birds. But for this necessity, they would grow lazy, and live on the surface of the ground, eating the leaves where they found them ; but now they are forced, on pain of death, to live in the bowels of the earth, coming up only at night to draw down leaves. Here then we obtain a glimpse of another kind of machinery, incomparably more complicated and bewilder- ing than that previously studied. Not only, as it appears, must a creature develop its organs and faculties so as to satisfy its own immediate purposes, but those purposes must so respond to those of other creatures, quite alien from itself, as to co-operate with them towards a vast result. In a solemn secular process such as we see shadowed forth, how can we find a place for the operation of Natural Selection as we have heard it described ? The * A Naturalist on the Prowl, pp. 86-88. Evolution and Design 89 race of beetles which convert old tree-trunks into mould will doubtless ultimately find the benefit of their work in the greater abundance of old trees ; but when an individual introduces an improvement in the process, his distant descendants will have to wait for the benefit, when the seedlings he helps to plant have matured to decay. How, meanwhile, is his improved machinery to be handed on ? to say nothing of its further development. And yet, once again, is it not a conceivable explanation that a sufficient intelligence has ordered things to the end which we find actually attained? Such an intelligence could, according to Professor Huxley, have discovered in the constitution of the cosmic vapour every minutest parti- cular of the world which was to issue from it, and all its successive phases. If this be so, may not intelligence have drawn the plan which intelligence can trace? And if nothing that we know except intelligence can draw a plan at all, must not the element of intelligence enter into any explanation which we frame of nature's machinery, if such explanation is to afford us even a "working hypothesis"? Sir Isaac Newton asked, " Was the eye contrived without skill in optics, and the ear without knowledge of sound " ? and may we not go on to question whether the world as we find it, instinct with contrivance at every turn, could be fashioned without knowledge of those myriad-sided laws which had to be dealt with if it were ever to be the abode of life ? It is not to be supposed that considerations such as these will have any weight with the more zealous propagators of evolutionary doctrines, for manifestly it is not on the side of reason or cogency of argument that it enlists their sym- pathies. As in their mind the one essential feature of the creed is denial of a personal and intelligent ruler of the world, so undoubtedly its great merit is for them the elimination of such morality as a law superior to any of man's making can alone impose. That this is so, we have sufficient evidence in Mr. Edward Clodd's Primer of Evolution* a little book specially in- * Longmans. 9O Evolution and Design tended for the instruction of the young one which those into whose hands it will commonly fall must naturally sup- pose to be what it professes, a manual wherein they may find in convenient and compendious form the teaching which science guarantees. But the Primer is nothing of the kind. Scientifically con- sidered it is a worthless production, a party tract composed on the principle that the end justifies the means. Its object is to instil into its readers the crudest and baldest materialism, to convince them that a man, a mushroom, and a boulder- stone are but different forms of the same thing ; that, con- sequently, religion is a fable and morality a mistake. This object it endeavours to attain by a sketch of the history of the world which is grossly unscientific, for not only is it hopelessly inaccurate, representing what are mere hypo- theses as established facts, but it abounds in grave errors upon fundamental points, showing that the author is ignorant of much which is essential to his subject. Nevertheless, the Primer deserves attention. In the first place it was originally dedicated, by permission, to the late Professor Huxley.* We are frequently told that it is unfair to attribute to real men of science, who are also evolutionists, the extravagances of popular writers like Mr. Clodd and Mr. Grant Allen, who are evolutionists only, and cannot claim to speak with authority. But if such men are permitted or encouraged to place themselves beneath the aegis of greater names, the owners of those names must take the consequences. Moreover, in his dedication Mr. Clodd pronounces the supreme merit of Professor Huxley to lie, not so much in his " luminous treatment of the varied materials with which it is the province of science to deal," as in his " application of those materials to the construction of an all-embracing philosophy of life." Now, Professor Huxley loudly proclaimed himself an " Agnostic," and the essence of Agnosticism, as he ex- plained it, is a confession of blank ignorance as to all which can furnish an ultimate basis of philosophy. At the same time, however, he habitually assumed that what * In 1895. Evolution and Design 91 he did not know could have no real existence, and as he chose likewise to assume that knowledge could be gained only through the methods of physical science, while repudi- ating the title of a materialist, he spoke and wrote as though there could be nothing in the universe but matter, no soul within man and no God above. This is enough for Mr. Clodd, and constitutes for him an all-embracing philosophy. It was, we must also presume, the supreme importance of this fundamental negation that reconciled Professor Huxley to the connexion of his name with a work which, had it dealt with any other subject than evolutionary philosophy, must have received as little toleration from any man of science as do those devoted to the squaring of the circle, or demonstrations that the earth is flat. For Mr. Clodd's purpose it is necessary to show that the material world is a machine containing within itself the principle of perpetual motion, a self-winding clock which needed no other power than its own to set it agoing, and which will continue for ever to evolve new combina- tions of its elements, and new forms of life. As, however, by the testimony, amongst others, of Professor Huxley himself, science teaches the exact opposite, that the world we know must have had a beginning, and must have an end, it becomes necessary to construct a new system of physics, which he gravely sets forth as though it were the accepted teaching of men of science ; whereas, as Professor Lodge pronounced when the same system appeared previously in a slightly different form,* it is an audacious attempt to reconstruct the laws of Nature as established by Newton, being replete with blunders and misstatements, and an emanation of mental fog. This is the kind of instruction which the Primer conveys. " Matter will not move by itself : it needs some agent or cause to start it. Therefore all changes in the position * The system of the Primer is a reproduction of that devised some years since by Mr. Clodd and Mr. Grant Allen, but the changes now adopted only make matters worse. Professor Lodge's criticisms are quoted in Science or Romance ? (" The New Genesis "), p. 1 02. 92 Evolution and Design of bodies, as also all changes in the position of the mole- cules of which they are made up, and of the atoms which form the molecules, are due to Motion, which works in two opposite ways. In the one it draws the particles of bodies together ; in the other it separates them." Such a passage would be hard to match for inaccuracy and confusion. We are given to understand that motion moves matter, that it is an "agent" which "works" in plain English, a force. " Motion," however, is nothing but an abstraction. There is no such thing, apart from moving matter, any more than there is "solidity" apart from solid bodies. Motion is not a force, but the result of force that is to say, force must be exerted to make a body move, or to produce motion. To talk of motion being the cause of movement, is like saying that flight makes birds fly. Mr. Clodd proceeds to make statements still more won- derful. After telling us that the "pulling" forces, which draw matter together, are gravitation, cohesion, and chemi- cal affinity, he thus continues : * " The Motion or Energy which separates the particles, or which prevents them from coming closer together, is of two kinds, active or kinetic, and passive or potential. The passive kind is represented by a stone lying on a roof or a mountain side, by a clock wound up but not going, by a seam of coal, and so on. The active kind is represented by the stone falling, the clock going, and the coal burning." Therefore, a stone lying on a roof, or a seam of coal, re- presents "passive motion," and that sort of motion which pushes matter apart. What sort of idea will such a state- ment convey to the class of readers who make use of Primers? No doubt, Mr. Clodd is thinking of the doctrine of kinetic and potential energy, according to which, in the above instances, there are forces at work to keep the stone from falling in the one case, and the constituents of the coal from combining with oxygen in the other thus coun- teracting gravitation or chemical affinity. But what has this to do with " passive motion "? And wherefore assume * The italics are his. Evolution and Design 93 that all the energy thus held in abeyance is of the "pulling" order, and all the forces which check it of the " pushing " ? The case of gunpowder is precisely similar to that of coal ; will any one say that the forces liberated when powder explodes tend to draw things together ? Or again, a balloon tethered to the ground and straining at the ropes exactly resembles the stone on a roof or mountain side, or for the matter of that, on the ground are we to say that the ropes push the balloon and earth apart, while the particular form of motion which tends to move it, namely, the buoyancy which buoys it up, is bent on pulling them together? These, and other statements of like character, are not mere points of detail on which the writer has expressed himself unscientifically. The doctrine underlying this con- fused verbiage is that already indicated as essential to his whole system, for it is on the exact balance of these attrac- tive and repulsive, or "pulling" and "pushing," forces that he depends for the machinery which he wishes his readers to believe will keep things going eternally. As he himself tells us : " If the pulling motions had unresisted play, every particle of matter would gravitate to a common centre and so form a vast solid body, inert and lifeless. And if the pushing motions had unresisted play, every particle of matter would be separated and scattered as an enormous gaseous mass through space; whereas with ti\z push and/w// motions matter is in a state of ceaseless change. ..." There is, however, a rather formidable difficulty in the way, for, according to the teaching of science, as conveyed to us by such authorities as Lord Kelvin and Professor Balfour Stewart, the former of the above suppositions is the true one the "pulling" forces have it practically all their own way, and the universe is inevitably tending to become inert and lifeless. This being absolutely fatal to the conclusion he desires to reach, Mr. Clodd is compelled to invent a new system of his own, and to invest his "pushing motions" with powers of which science knows nothing, or rather, which she shows to be non-existent, and this system he gives to the world as though there were no doubt about it. 94 Evolution and Design It is needless further to examine his qualifications as an exponent of scientific teaching, or to inquire what weight may be supposed to attach to his dicta concerning an all- embracing philosophy of life, as, for instance, that "the origin of life is not a more stupendous problem to solve than the origin of water " ; or that, " all that is, from fire- fused rock to the genius of man, was wrapped up in primordial matter " ; or again, that " creeds are born and die, remaining only curious relics of illusions over which men wrangled and fought."* But, upon one point Mr. Clodd is perfectly explicit and clear that there is no such thing as morality, no dis- tinction between right and wrong, beyond such as the con- ventions of society have agreed to recognize. As he tells us, " Morals are relative, not absolute that is to say, there is no fixed standard of right and wrong by which the actions of men throughout all time are measured. Where there is no society there is no sin." It is true, he contradicts himself by speaking of some impulses of our nature as " higher," and others as " lower," and saying that indulgence of the latter entails remorse, which he tells us signifies "after-bite"; but his main contention is perfectly plain, * A sample must, however, be given 01 Mr. Clodd's mode of argu- mentation. To the objection that no intermediate forms have been discovered linking man with the lower animals, he thus rejoins : "Those who ask for the 'missing link' between man and ape only parade ignorance. Both these animals descended from a common ancestry, whence they branched off in different directions, and in any remains of man's progenitors the brain and such-like soft parts as would throw light on their differences from man-like apes would have perished long ago. And further, the ' links ' between the great apes themselves are missing." What sense can these words be imagined to convey ? If a link has never been found, it is missing. Where is the parade of ignorance in saying so ? And assuredly no link, whether in a direct line or collater- ally, has ever been found, nor any single specimen of the common ancestry, wherefrom, as Mr. Clodd pronounces, both descend. How, again, is the existence of missing links between man and ape made more probable by the fact that other links are missing too? Mr. Clodd might indeed have added that all the links on which evolutionists so confidently reckon are missing throughout Nature. No single one has yet been discovered. Evolution and Design 95 far too plain to escape the young folk for whom be writes namely, that they may give free scope to their passions, so long as they do not shock the ideas of those amongst whom they live. Here is the slime of the serpent, which experience teaches us to expect in evolutionary works of this stamp. So con- stantly does it appear as to suggest that such writers take up Evolution so hotly, not on any scientific grounds, for these they manifestly do not even understand, but as the readiest engine for propagating the doctrine dear to their heart that man is a beast, and should be at liberty to behave as one. The common-sense of mankind, however, revolts against such teaching wherefore, instead of practis- ing their own principles and adopting the rules laid down by their fellows, they set themselves to convert their less enlightened countrymen, though they usually find it expedi- ent to veil the grossness of their meaning in a mist of words. But, on occasion, they can be bolder and less circumspect, as was Mr. Clodd's friend and associate, Mr. Grant Allen, when he exhibited his true sentiments naked and un- ashamed, complaining of the tyranny of the law which pre- vents a man from saying anything worth hearing the law in question being that which prohibits obscene publications." That to such writers the mention of Religion should be as a red rag to a bull is not surprising, but their hostility is not the least of her claims on the respect of thinking men. But this is somewhat of a digression. To return to the subject directly engaging our attention, it is evident that, strenuously as they repudiate the idea, those who deny that Design has operated in the making of the world, ascribe to Chance the results we see. It will be asked what is meant by Chance. Chance is the negation of Design : what is not intended happens fortuitously. But within all human experience nothing remotely analogous to the countless * " In England, where freedom of speech and thought are unknown, and where men get imprisoned under Lord Campbell's Act for saying anything worth hearing. ..." Mr. Grant Allen in the New Review, March, 1890, p. 267. 96 Evolution and Design mechanisms and contrivances which we meet in Nature has ever been produced except by the agency of a designing mind. Of this no better example can be given than that which Mr. Darwin adduced to prove the opposite. Supposing a man to wish to build a house, who has no means of cutting stone to the required shapes, but lives near the foot of a precipice, whence from time immemorial rocks have in their fall been shattered into every variety of form. He picks out the wedge-shaped to construct arches, the longer fragments for lintels, the more rectangular for walls, and so the house is built. A savage, says Mr. Darwin, would call it the work of Chance, but the man trained in the methods of science would know that, given a suffi- cient number of variations, every variety of shape must result, and there only is required a selective power to pick them out and arrange them. Just so ; and the selective power, which produces the only precise and definite result in such a case, is the mind of the builder ; without this, the most skilfully cut stones in a mason's yard would never make a house ; with it, almost any materials may serve the purpose. And it is in regard of the house, not of its materials, that a substitute for design is required. If the stones from the cliff were to drop into their places of them- selves, forming arches, doors, and walls, and spontaneously evolving a building, we should have an example in point ; or, again, if any one amongst them were to be chipped into the likeness of the rudest hammer or arrow-head that ever came from the hand of primaeval man ; but until some such result can be found, or even conceived, to be produced without the intervention of Mind, what warrant have we, in our experience, for supposing that the machines of Nature's contrivance, infinitely transcending our own, can have been otherwise constructed ? And it is upon experience that Science is based. UN-NATURAL HISTORY THE present generation has unquestionably distanced all others in the field of scientific research, and has imported into its investigations an accuracy of method, an ingenuity, and an industry, which are as admirable as they are new. But, as Aristotle has it, there is nothing incapable of mis- use, save virtue alone ; and there may be reason to fear lest our scientific merits should introduce along with them a parasitical crop of defects, going far to neutralize their advantages. It is more particularly in the province of Natural History that symptoms of this danger appear, if we should not rather say that Natural History, as our fathers understood it, is like to be altogether extinguished in favour of the newer science of Biology. More than this : the old-school naturalist is not merely being in great measure trampled out of existence by his younger rivals, they deny to his pursuits the right to be classed as science at all, speak- ing of Gilbert White himself with undisguised contempt as " the old gardener-naturalist." There are in fact many who consider nothing to be truly scientific which does not admit of being described by a formal nomenclature and expressed in tabulated form, and who admit no elements as constituents of knowledge, except such as we can weigh and count and measure. Hence it comes to pass that while we learn from modern works a great deal about anatomy and classifica- tion, we hear comparatively little of the life-history of plants and animals ; nay, it is irreverently said that not a few of our leading ornithologists would not know a thrush if they VII. H 98 Un-natural History saw one, though easily recognizing its skeleton. Biology, in truth, not content with numberless triumphs in its own domain, appears to be intent on annexing that of Natural History as well, assuming it to be for all practical purposes as unoccupied as Central Africa. Nor is this all. When the observer of the period goes afield, he is generally thinking a great deal more of what he wants to prove as to " life histories " than of what he is going to see : he cares comparatively little for the creatures he meets, and a great deal about constructing a genealogy for them. It may be said that while the naturalist of the past concerned himself with what was present, he of the present concerns himself with what is past. That this is no overstatement we have evidence to show. The point has been most ably developed by Dr. Hudson, in a Presidential address to the Royal Microscopical Society, bearing the significant title, On some needless difficulties in the study of Natural History, wherein he contends, not only that the fact is as has been stated, but that we are doing an injury to science by allowing it to be so.* His words are so much in point that I make no apology for quoting them at some length. A little while ago [he says] I read in the preface to a work on natural history, that the book was "of little value to the scientific reader, but that its various anecdotes and its minute detail of observation would be found useful and entertaining.'' What, then, may the " scientific reader " be expected to desire ? He must be, in my opinion, a most unreasonable man, if he does not thankfully welcome anecdotes of the creatures he wishes to study, when these anecdotes are the result of patient and accurate observation. For it is precisely such information that is con- spicuously absent from many scientific memoirs and monographs; the author generally spending his main space and strength in examining the shape and structure of his animals, and in com- paring one with another, but giving the most meagre details of their lives and habits. Which, then, is the more scientific treat- ment of a group of animals, that which catalogues, classifies, measures, weighs, counts, and dissects, or that which simply * Reprinted in Nature, Feb. 20, 1890, pp. 375, seq. Un-natural History 99 observes and relates ? Or, to put it in another way, which is the better thing to do : to treat the animal as a dead specimen, or as a living one ? Merely to state the question is to answer it. It is the living animal that is so intensely interesting, and the main use of the indexing, classifying, measuring, and counting is to enable us to recognize it when alive, and to help us to understand its perplexing actions. . . . We read much of the animal's organs ; we see plates showing that its bristles have been counted, and its muscular fibres traced to the last thread ; we have the structure of its tissues analyzed to their very elements ; we have long discussions on its title to rank with this group or that ; and sometimes even disquisitions on the probable form and habits of some extremely remote, but quite hypothetical, ancestor, who is made to degrade in this way, or to advance in that, or who is credited with one organ, or deprived of another, just as the ever-varying necessities of a desperate hypothesis require ; but of the creature itself, of the way it lives, of the craft with which it secures its prey or outwits its enemies, .... of its per- plexing stupidity coupled with actions of almost human sagacity of all this, which is the real natural history of the animal, we, too often, hear little or nothing. And the reason is obvious, for in many cases the writer has no such information to give ; and, even when he has, he is compelled by fashion to give so much space to that which is considered the more scientific portion of his subject, that he has scant room for the more interesting. Evidence to the same effect is likewise forthcoming from the other side, from those who rejoice in the change that has been wrought as much as Dr. Hudson deplores it. Here, for instance, is the complacent account given by a writer of the modern school as to what occurs when an enlightened schoolboy interviews a primrose. * The study of even the most commonplace object may, under the newer phases of research, be made to yield an amount of " sweetness and light " for which we might be wholly unprepared. The day of the Peter Bells, and of uninquiring moods and tenses, if not altogether a thing of the past, is happily already in its twilight stage. The schoolboy, with a primer of botany in hand, understands things at which the previous generation simply wondered. . . . The primrose still grows by the " river's brim,' 1 in truth, but it is no longer merely a yellow primrose. On the * Dr. A. Wilson, Chapters on Evolution, p. 308. ioo Un-natural History contrary, the flower is in greater part understood, the mechanism of its life is well-nigh completely within our mental grasp ; and, best of all, its study has led in the past, as it leads even now, to the comprehension of wider ideas of nature, and more extensive views of plant-life, than those which formerly met the gaze of the wayfarer in scientific pastures. The appreciation of what is involved in part of the life-history of a primrose may thus serve as a starting-point for more extensive research into the phenomena of plant-fertilization at large ; and this latter topic, in its turn, falls naturally into its proper niche in teaching us plain lessons respecting the manner in which the wide domain of life is regulated and governed. Into the " sweetness " thus claimed for the new method, as contrasted with the old, I do not propose to inquire, with the " light " alone am I concerned. What is the truth about these " plain lessons" taught us so freely, and about the implied superiority of a modern primer to the labours . of a former lifetime ? Are our latter-day observers doing the best thing for science by the style of observation which they have adopted ? or are they not rather in danger of losing the faculty of seeing what is, in their eagerness to speculate as to what may have been ? For a point whereon to test these questions we have not far to go, for several are suggested by what we have heard. To the old observer the flower was " merely a yellow prim- rose " ; to the modern, the fact that it is yellow * is full of significance, and pregnant with a whole volume of life- histories. For the question of colour lands us at once in the midst of those problems which the modern naturalist delights to examine. The colours of flowers, he tells us, are intimately connected with the past history of the species to which they belong. Colour helps a flower in the struggle for existence the factor which, according to him, rules all development by enabling it more effectually to secure the services of insects for purposes of fertilization, * It may, I suppose, be assumed for our present purpose, that a primrose is yellow, though artists, I believe, maintain that its hue is in truth a delicate green. Mr. Ruskin tells us that by a little observation we may satisfy ourselves that sun-lighted grass is of the colour of prim- roses, though, as he adds, few people are aware of the fact. Un-natural History 101 especially cross-fertilization." 1 Cross-fertilization is declared to be a necessity for plants that would be prolific and vigorous ; that is to say, the pistil, which is to mature to a seed-bearing fruit, must be fertilized by pollen from the stamens in another blossom of the same species, and bees, or other insects, dusting their bodies with pollen while visiting one flower, deposit this on the pistil of the next to which they travel, thus securing for it the aforesaid benefit, and the colour of flowers has been developed through this agency the insects recognizing what they are in search of, amongst other blossoms, by means of it. Now it is evident that if a bee carries the pollen of one flower to the pistil of a flower of different species, he will do nothing whatever to help the cause of fertilization, for on such pistil the pollen will be entirely barren just as barren as so much sand. Consequently we need another fact to supplement the first, namely, that bees on their part have developed an instinct making them keep to one kind of flower at a time. That this is a fact writers of the present day constantly assure us, and this assurance may well serve as a first example whereby to test the character of their observations. To begin with, they shall tell their own story. " It has been ascertained by several observers," says Mr. Wallace,! " that many insects, bees especially, keep to one kind of flower at a time, visiting hundreds of blossoms in suc- cession, and passing over other species that may be mixed with them." " It is a remarkable fact," says Sir J. Lubbock, \ " that in most cases bees confine themselves in each journey to a single species of plant ; though in the case of some nearly allied forms this is not so ; for instance it is stated, on good authority, that Ranunculus acris, R. repens, and R. knlbosuS)\ are not distinguished by the bees, or at least are visited indifferently by them, as is also the case with * I have made some remarks upon this theory in a paper entitled, "Who Painted the Flowers?" (Science and Scientists'). f Darwinism, p. 318. t British Wild Flowers in relation to Insects, p. 26. Species of buttercup, equally common. IO2 Un-natural History two of the species of clover, Trifolium fragiferum and T. repens" "Numerous naturalists," says Mr. Grant Allen, * " have put on record the preferences which individual insects have shown on special occasions for one kind of blossom alone. A single case must suffice for all. That careful observer, Mr. H. O. Forbes, saw ' by the roadside, near Kew Bridge Station, several species of hymenoptera,! of the genus Bombus\ principally ; one visited thirty flowers of Lamium purpureum in succession, passing over without notice all the other plants on the same bank species of Convolvulus, Rubus,\\ Solatium.*^. Two other species of Bombus, and a Pieris rapa** also patronized the Lamium, seeking it out in the deep thicket, thrusting their probosces even into withered cups, although the Rubus flowers were far more accessible, and seemed much more attractive, being fresh and well-expanded.' The pages of scientific journals during the last few years have positively teemed with similar instances from all parts of the world." So categorical are these statements, and seemingly so pre- cise, that I must confess to having long taken them for granted. And yet, even as they stand, they present diffi- culties by no means slight. Sir J. Lubbock tells us that certain flowers, restharrow for example, though containing no honey, are occasionally visited by bees in a vain search for it. ft Are we therefore to say that they keep during one journey to such delusive plants? If not, the presence of the insects there is a contradiction of the general statement we have heard. Moreover it cannot but appear that the authorities to whom we have listened lack one important requisite for compulsion of our assent. They are very ex- plicit as to the thing said to be observed, but there is an ominous vagueness as to the observers. Of these only one has been actually produced, and his evidence appears to be considered so singularly important that he is called as * The Colour-sense, p. 89. See also The Colours of Flowers, p. 18. t i.e., Bees. \ Bumble-bees. Red dead-nettle. || Blackberry. IF Nightshade. ** The common white butterfly, ft Wild Flowers and Insects, p. 85. See a similar statement con- cerning St. John's Wort, p. 69. Un-natural History 103 Mr. Grant Allen's solitary witness in two different books. When we come to scrutinize that evidence even by the light of book-knowledge it at once presents a serious flaw. The bees and the butterfly observed by Mr. Forbes stuck unanimously to Lamium amid blossoms of Convolvulus, Solatium, and Rubus. But if we turn to Sir John Lubbock's book, already quoted, we find that Rubus and Sola- nu?n secrete no honey at all,* while Convolvulus septum, doubtless the species meant, on the same authority,! offers such scanty attractions as to be comparatively little visited by insects. It is not wonderful, therefore, that the Lamium was preferred, being a flower rich in honey, and it is not easy to understand what is meant by saying that the Rubus flowers " seemed much more attractive" Of course a flower which has a monopoly of honey will have a monopoly of bees ; the question is as to what will happen when there are several honey-bearing competitors. It is a pity, there- fore, that we have but one witness brought, for, careful observer as no doubt he is, his evidence does not help us much upon this occasion, and it is curious to find an authority so given to out-door studies as Mr. Grant Allen contenting himself with a general reference to the teeming testimonies of scientific journals in corroboration. It is not only at Kew Bridge that wild flowers grow, and ten minutes' observation of the nearest meadow or hedgerow, or even of any flower-bed in a garden, would seem to be a preferable method of bringing the subject to book. The reader who will make trial of this method will certainly very soon be lost in admiration of the agility of those observers who have been able to report, as we have heard from Mr. Wallace, on the course of a bee over " hundreds of blossoms." If we can make sure of him for half a dozen we shall be very fortunate ; for, as a rule, there is a strange capriciousness in his evolutions, and he is continually rushing away to some other locality, at a rate we cannot follow. However, even so, it will not be long before we find ourselves in possession of abundant data whereon to base a judgment, for, if I mistake * Pp- 93- 133- \ I'- i33- IO4 Un-natural History not, every insect we meet will flatly contradict the law in which we have been told to believe. In support of this assertion I will here set down the results of my own observations made last year,* which I might have multiplied indefinitely, had there been any object in so doing. To simplify the record, I will denote the insects observed by the letters of the alphabet, in order of observation, and when there is no indication to the contrary, the insect in question is a bumble-bee. A. after feeding on a plant of very dark wall-flower, passing over several other wall-flowers, betook himself to Weigelia rosea, a shrub with light rose- coloured blossoms. B. passed from rhododendron to wall- flower. C. from Dielytra eximia (a pink fumitory) to lilac. D. from wild raspberry to red campion and thence again to raspberry. E. from Deutzia scabea (white) to a very purple rhododendron. F. from bush vetch to water avens. G. from comfrey to red campion. H. worked backwards and forwards between germander speedwell and herb robert, also once visited a bush vetch ; he, however, passed many red campions without a call. I. passed from water avens to raspberry. J. from figwort (Scropularia aquatica) to thistle. K. from campion to bush vetch, and again to campion. L. (hive bee) from chervil (a white umbellifer) to nonsuch (a small yellow clover), going backwards and forwards frequently from one to the other. M. from self-heal (blue) to yellow-rattle (backwards and forwards), once to red- clover. N. of all observed showed most constancy, to a row of dark blue (garden) pansies, which, however, he once varied with a yellow poppy. O. passed from fox-glove to snap-dragon. P. and Q. worked promiscuously among foxgloves and campions. R. passed from ragged robin to self-heal, back to the first and again to the second. S. from figwort to self-heal, then to raspberry. T. from figwort to meadow-pea (Lathyrus pratensis). U. from yellow rattle to meadow-pea. V. (white butterfly) from campion to a butter- cup, thence to cat's-ear (Hippocharis). W. (brown butterfly) from cat's-ear to sow-thistle. X. (brown butterfly) from pignut to thyme. Y. from snowberry to woundwort. * 1890. Un-natural History 105 I have drawn out this list at what may appear inordinate length, in view of the high authority guaranteeing the doctrine which it disproves. It certainly throws a strange light on the methods of modern observation, to find an assertion so boldly made, and so easily accepted, for the proper appreciation of which were needed only those materials which are within the reach of all. A sufficient commentary upon the whole story will be furnished by the reply of a most excellent field-naturalist, a working man, of whom I enquired whether he had ever observed if bees behaved in regard of flowers as we are told they do. " Yes," he answered, " I've seen it in books : but what makes them say that? it isn't because they've looked." A small matter of detail, unconnected with the general argument, is found in Sir J. Lubbock's mention of the various buttercups, which he tells us are indiscriminately visited by bees. After what we have seen, this is not very surprising that is, when bees visit them at all. During the whole of last season I have only once seen a bee on a buttercup, and that not in England, but in Austria. It is, however, not a little strange to find that the assertion we have been examining should originally have been made by one who had no theory to support, and who was an admirable observer. Aristotle, in his Natural History* writes : " On each flight it (the bee) does not go to flowers of different kind, but, for instance, from a violet to a violet, touching no other till it returns to the hive." In like manner Mr. Jefferies who is nothing if not observant tells us : t " One bee will come along, calling at every head of white clover. By-and-by you may see one calling at the heath-bells, and nothing else, as in each journey they visit only the flower with which they begin." But whether in ancient Greece or modern England, the fact appears more than doubtful in view of what has been seen, notwithstanding the unprejudiced nature of these witnesses, and their high character for accuracy. The question above discussed is not the only one to * Bekker's Edition, vol. i. p. 624. t Field and Hedgerow > p. 69. io6 Un-natural History which the colour of flowers introduces us. The hues of different species, we are assured, are so various, because some are more attractive to bees than others, and those plants which have managed the development business best, have secured the best colours. Mr. Grant Allen, following Sir J. Lubbock, has drawn out this idea at great length, and he undertakes to tell us the exact order in which the different colours appeared, and consequently their order of merit in bee-estimation, for each one came into fashion only because it was judged better than its pre- decessor. The original colour, he tells us,* was yellow ; then came successively white, pink, red, purple, lilac, mauve, violet, and finally blue, the bee's hue of predilec- tion. That the colours vary thus in popularity with bees is held to be proved chiefly by Sir J. Lubbock's experiments. Taking pieces of variously coloured paper, and putting on each a drop of honey, he observed them carefully, and found that which was on blue paper more largely patronized by the insects than any other, next to it that on violet, and so of the rest. What I have heard it asked can be more conclusive than this ? Well, undoubtedly it is con- clusive enough, so far as paper is concerned, but the question is about flowers ; and if we go to them, the matter is by no means so simple. In the first place, there is one example, easily observable, and witnessed to us by Mr. Wallace,! which by itself appears quite sufficient to shake our faith in the assertion we have heard. Many of the flowers of one of our common English families, the great Borage tribe, as for instance, the lungwort and the forget-me-not, have flowers which, when they first open, are pink, and later turn to blue. In one species, the parti- coloured scorpion grass, the new-opened blossoms are generally yellow. Yet it is the young flowers, not the old, which the bees prefer. In regard of lungwort Mr. Wallace writes: "H. Miiller observed bees visiting many red flowers, but neglecting the blue." He adds another instance still more remarkable. " In South Brazil there is a species of Lantana, whose flowers are yellow the first day, * Colours of Flowers, pp. 19, 59. f Darwinism, p. 317. Un-natural History 107 orange the second, and purple the third ; and Dr. Fritz Miiller observed that many butterflies visited the yellow flowers only, some both the yellow and the orange flowers, but none the purple." ''' But besides this, we have not far to seek for examples where the superior attractiveness of blue is found to be conspicuous by its absence. Last summer there grew in close proximity two species of cruciferous plants, the one Aubrietia, blue or purple, the other, Arafa's, white. The bees were constantly at work among the white flowers, seldom amongst the others. In a row of variegated sweet peas, white, pink, red, purple, and blue, the white blossoms were clearly the favourites. One may watch a mass of bright blue lobelias all day without detecting an insect visitor, while their many-hued neighbours of the garden are being rifled right and left. The periwinkle, which in matter of blueness need fear comparison with no flower, seems to be similarly neglected; while as to the sage, which is not only blue, but, as we are told, perhaps the most highly specialized of all flowers for insect purposes, it is, I think, more than doubtful whether it is, after all, as popular with the bees as the simple and colourless blossom of the wild raspberry, the sycamore, and the lime. In reply to such facts as these it is sometimes said that the assertion as to the superior charms of blue applies only to those cases where the honey-stores of two flowers are equal. But how can we tell what these stores are, except by seeing which the bees prefer ? Are we to discount the facts we meet ; when a yellow flower is preferred, crediting the fact not to its yellowness, but to its honey, and when a blue flower, not to its honey, but to its blueness ? This would be a strange method of investigating the secrets of * Mr. Grant Allen tells the story of this Lantana {Colours of Flowers, p. 19) on behalf of the thesis that insects keep to one blossoms ; but tells it with a difference which certainly makes it more suitable for his purpose than in its original form. This is his version, the italics being mine "Fritz Miiller noticed a Laiitana in South America, which changes its colour as its flowering advances ; and he observed that each kind of butterfly which visited it stuck rigidly to its own favourite colour, waiting to pay its addresses until that colour appeared" io8 Un-natural History Nature. Moreover, which is far more important, what business has a flower, on the above theory, to be blue, unless it contains more honey than others that are not blue ? Why should the bees prefer this colour, unless it be the trade-mark of the superior article ? Are we to credit them with a taste in colours for their own sake ? If so, whence did that taste come ? How have flowers been made blue by the selective preference of insects, if, as a matter of fact, insects do not prefer them ? All this is puzzling enough, and there is more beyond. Sir J. Lubbock found, in his paper experiments, as Mr. Grant Allen tells us,* that bees "do not so easily dis- criminate between blue and green as between other colours," and Mr. Allen adds that this is very natural, considering how small is the difference between these shades. But if there be little difference between these colours, there is all the difference in the world between the flowers that wear therm Flowers which are green are to our notions so unflowerlike, that most people are unaware of their existence those, for example, of the oak, the nettle, and the grasses, being always comparatively small and of exceedingly simple construction. We are told, on the other hand, that blue flowers are the most highly developed, not in colour only, but in form and arrange- ment. It seems, therefore, that the progress must have been away from a hue which the insects cannot distinguish from that which they most affect, through all less-favoured shades, and back to the favourite again. And this is by no means all. Green should, being undistinguishable from it, be as attractive as blue ; but when we have to consider the fact that some flowers do not attract bees at all, we are told, in an explanation, to observe that they are green. These are the great tribe of wind-fertilized flowers, the blossoms of most of our trees, and a large number of herbs, even with- out counting the vast host of grasses and sedges. We are told that as they gain nothing from insects, they do nothing to attract them, and are consequently inconspicuous. But the strange thing is that, apparently, being inconspicuous, * The Colour 'sense, p. 85. Un-natural History 109 means being green. " Petals, however small, or green, or inconspicuous," says Mr. Grant Allen." 1 ' " It is, I think, a strong argument," says Sir J. Lubbock, t "that while large flowers are almost always coloured, small ones are usually greenish." But if greenish be, for practical purposes, the same as bluish, where is the point of the argument ? There remains another proof offered to us, besides that of the coloured paper, to show that blue is the highest in the list of colours. This is the fact, already alluded to, that we find in connection with it the most wonderful machinery for securing the carrying of pollen from one blossom to another, and the most remarkable varieties of form. As to machinery, this, we are told, is to be found most perfect in " the sage and other labiates, perhaps the most specialized of any flowers so far as regards insect fer- tilization." This machinery as it exists in the sage is illus- trated by a beautiful woodcut in Sir J. Lubbock's book,]: whence it has been extensively copied into other works. But it is by no means so easy to find the arrangement thus described and delineated, actually working in a sage blossom ; I have never, in fact, found one where the modus operandi was as clear as in the picture. As to the varieties of shape found in the highest forms of flowers, and coupled, according to Mr. Grant Allen, with blueness, the matter is proved by the help of a good deal of what looks rather like special pleading. We are, for example, referred to one of these highly developed forms, the Iris fatidissima, described for us as the ' common flag,' and are invited to notice that it is violet-blue. This is true of the common flag of our gardens (Iris germanica), which is perhaps the plant Mr. Allen means ; the flowers of /. fetidissima hardly accord with his descrip- tion. The common wild flag, however, is Iris Psendacorus^ which has yelloiu flowers, and these, though just as highly developed in form, affect the lowest instead of the highest in the scale of colours. Apparently a still higher development is the monkshood, which is " specially adapted to the very highest class of insect visitors," jj and moreover of ultramarine hue,* * Vignettes from Nature, p. 15. f Flowers and Insects, p. 158. \ P. 148. Colours of Flowers, p. 59. || //., p. 37. 1 Ibid., p. 38. no Un-natural History which among colours " probably marks the highest level of all." * But if we study the monkshood not merely in our gardens, but in a wild condition, we shall find that some of the species have yellow flowers, others have blossoms dappled with a great deal of white ; while in no species can the blue be styled ultramarine. Mr. Allen's notions of colour were somewhat severely criticized at the time his book appeared.! Once again, therefore, we find speculation in the fore- ground, and observation lagging behind, and the eyes of the naturalist in scanty requisition as compared with the in- genuity of the historian. Another illustration of the same kind is suggested by the question of flower-fertilization, and connects itself with the name of Mr. Darwin himself. In his greatest work, the Origin of Species, he writes as follows \ : From experiments which I have lately tried, I have found that the visits of bees are necessary to the fertilization of some kinds of clover ; but humble-bees alone visit the red-clover ( Trifolium pratense\ as other bees cannot reach the nectar. Hence I have my little doubt that if the whole genus of humble- bees became extinct or very rare in England, the red-clover would become very rare or wholly disappear. The number of humble-bees in any district depends in a great degree on the number of field-mice, which destroy their combs and nests, and Mr. H. Newman, who has long attended to the habits of humble-bees, believes that more than two-thirds of them are thus destroyed all over England. Now the number of mice is largely dependent, as every one knows, on the number of cats, and Mr. Newman says : " Near villages or small towns I have found the nests of humble-bees more numerous than elsewhere, which I attribute to the number of cats that destroy the mice." Hence it is quite credible that the presence of a feline animal in large numbers in a district might determine, through the intervention first of mice and then of bees, the frequency of certain flowers in that district. The idea thus suggested has been enthusiastically received by Mr. Darwin's followers, and we find his statement of the * Ibid., p. 23. t See Journal of Botany, 1883, p. 59. \ Origin of Species, p. 73. Un-natural History 1 1 1 case continually quoted, sometimes with a eulogium of the method of argumentation therein illustrated, and disparag- ing remarks on the ineptitude of the processes employed by previous philosophers. Nor do his disciples merely assume that the statement above given is absolutely convincing they proceed to add fresh links to the chain of causes and effects, at either end. Thus Dr. A. Wilson writes * : The scientific demonstration of the interdependence of living things becomes in this fashion perfectly clear. Carried out to its ultimate result such demonstration becomes sufficiently startling. British brain and sinew depend (according to a foreign estimate) on home-fed beef, whilst the quality of the nutriment is said to depend on the clover on which the ox subsists. But clover owes its continuance to humble-bees, humble-bees in turn are killed by field-mice,! whilst cats exterminate the rodents. As old maids conserve the feline race, it is alleged that the continuance of British intellect is dependent upon such conservation so that a scientific justification of spinsterhood is thus rendered possible. Thus is natural history evolved, and such are the products of British intellect for which the poor clover is made respon- sible ; for neither in the above passage, nor in its context, is there the faintest indication of any wish to be humorous, it is but an illustration of the mode in which scientific demonstration becomes perfectly clear. One would natur- ally suppose that there was no possibility of doubt as to the simple primary facts, which serve as foundation to so vast a superstructure. But red-clover and bumble-bees are familiar objects enough, and the observation of them a matter of no difficulty if we are minded to observe. Let us go out to the nearest grass-plot and watch the history in action. Unless future experience be at variance with all my observations of the past, this is what we shall find. Bumble- bees do indeed come to this plant, and they alone, and it may be that they have trunks long enough to reach down * Chapters on Evolution, p. 338. t It may be remarked that according to some observers cats do not eat field-mice. 1 1 2 Un-natural History the tube of the flower and so get at the honey. But whether capable of such an operation or no they never seem to attempt it, but thrusting their head down amongst the blossoms, they quickly bite a hole through the base of each, and through it extract the honey. All the bees I have observed acted thus, and all the clover heads, the flowers of which had been open for any time, had been thus tapped. But, visiting them thus, the bees can do nothing at all to help the fertilization of the plant, least of all its cross-fertiliza- tion, for no part of their body comes in contact with either pollen or pistil, and it is impossible for them to convey the one to the other. Yet the clover obstinately continues to flourish, though the insects, selfishly intent upon their own convenience, grudge it the service which they might possibly render, and which is, we have been told, essential to its wellbeing. One instance, indeed, I met last summer, where examina- tion of the flowers contradicted my wonted experience. It was among the Bavarian highlands, where I found red-clover growing in such unusual profusion as to attract my attention. Desiring to see whether the ways of German bees are the same as those of our own, I gathered a head, and looked for the usual incisions in its blossoms. But they were not to be found ; every floret was whole and intact, which per- haps was the reason that, although we were past the middle of August, the flowers showed, through the whole field, with such singular brightness and freshness. The thought naturally suggested itself, that here was an instance where the familiar account of the matter was a true one, and I started, determined to verify it. Presently, however, a somewhat different explanation obtruded itself there were no bumble-bees, not one could I find amid acres of the flowers. The problem thus suggested by clover is by no means solitary ; we meet with it in other and even stranger forms elsewhere. No flowers have more elaborately prepared themselves to secure the services of insects so we are told than the higher members of the buttercup tribe as, for instance, the larkspur and the columbine, for they have both Un-natural History 1 1 3 donned the winning colours, and devised wondrous compli- cations of their organs for the purpose. " Columbines," says Mr. Grant Allen,* "are very specialized forms of the buttercup type. Both sepals and petals are brightly coloured, while the former organs " (it should be " the latter") "are produced above into long, bow-shaped spurs, each of which secretes a drop of honey." But the plant would appear to have overreached itself in its ingenuity, for these spurs are so narrow and so long that bees cannot get down them within reach of the honey. Sir J. Lubbock i quotes the case of one that made the attempt and failed. Those observed by myself appeared to know that the attempt was useless, and did at first what the other ended by doing going to the base of the spurs and boring through for the honey. Moreover, here again the plant, strange to say, appears no whit the worse in consequence, ripening its seeds in quite remarkable profusion, while of all kinds of columbine none is more prolific than the Aquilegia Skinneri, which is not blue, but yellow. The success of the larkspur's labours in the same direction appear to be scarcely less dubious, for according to Sir J. Lubbock, t only two insects have a proboscis long enough to reach to the end of its spur, and as one of these two has disappeared before the plant flowers, the net result of all its trouble is to make it wholly dependent upon the other. As though to complete the perplexity of the matter, Sir John concludes his review of these flowers thus : " The honey is in some cases easily accessible, in others it is situated at the end of a long spur. The former species are capable of self-fertilization, the latter are said by H. Miiller to have lost that power." So that those plants which bees enter can get on without them, and those which bees do not enter, cannot ; while, nevertheless, somehow they do. We are now, perhaps, in a position to form some estimate of the scientific advantages enjoyed by a young observer whose base of operations is a botanical primer, who is taught that the proper mode of regarding Nature is through * Colours of Flowers, p. 35. t Flowers and Insects, p. 20. ; Ibid., p. 53. s Ibid. 1 1 4 Un-natural History the medium of doctrines such as we have seen, and that it is beneath the dignity of science merely to look with his own eyes. The case becomes still more bewildering when from the individual instances, in which illustration has been sought, we recur to the fundamental principle on which all the above doctrines are based ; namely, the necessity of cross- fertilization. It is to secure this that all complicated machineries have been constructed, strange forms elabor- ated, and various hues developed. Therefore, obviously, it must be worth securing, and that it is so, testimonies abound. " I will not enter," says Sir J. Lubbock, * " into the large question why this cross-fertilization should be an advantage ; but that it is so has been clearly proved." " Nature tells us in the most emphatic manner," says Mr. Darwin, I " that she abhors perpetual self-fertilization." " Self-fertilization with its resultant puny and feeble off- spring," observes Mr. Clodd ; \ " poor, weak, self-fertilized seeds," re-echoes Mr. Grant Allen ; "all the various adaptations of flowers to insects are in view of inter- crossing," and "no continuously self-fertilized species would continue to exist," Dr. Asa Gray tells us, || are aphorisms of the school ; while Dr. A. Wilson thus sums up the whole matter: If "Sprengel laid down the axiom that Nature does not wish any complete flower to be self-fertilized. Darwin in turn improves upon this dictum, in his assertion that Nature abhors perpetual self-fertilization. That cross fertilization is generally beneficial, and self-fertilization in- jurious, is thus a stable result of botanical investigation." But on the back of all this it is sufficiently startling to find Mr. Wallace writing as follows, and this too in his matured apology for the Darwinian doctrine"*: We have direct proof of the beneficial results of intercrossing in a great number of cases ; we have an overwhelming mass of * Flowers and Insects, p. 6. \ Fertilization of Orchids, p. 359. \ Story of Creation, p. 84. Vignettes from Nature. \\ Contemporary Review, April 1882, p. 600. *,\ Chapters on Evolution, p. 339. ** Darwinism, p. 325. The italics are mine, Un-natural History 115 facts as to the varied and complex structure of flowers evidently adapted to secure this intercrossing by insect agency ; yet we see many of the most vigorous plants which spread widely over the globe, with none of these adaptations, and evidently depend- ing on self-fertilization for their continued existence and success in the battle of life. Yet more extraordinary is it to find numerous cases in which the special arrangements for cross-fertilization appear to have been a failure, since they have either been supple- mented by special means for self-fertilization, or have reverted back in various degrees to simpler forms in which self-fertiliza- tion is the rule. He proceeds to tell us, with regard to the highly complex modes by which cross-fertilization is brought about, that the result thus laboriously attained is after all "by no means an unmixed good," nay, that it " is far less certain in securing the perpetuation of the species, than is self- fertilization." In another place* he adds: "That self- fertilization has some great advantages is shown by the fact that it is usually the species which have the smallest and least conspicuous flowers which have spread widely, while the large and showy flowered species of the same genera, or families, which require insects to cross-fertilize them, have a much more limited distribution." All of which, as he justly observes, is "most puzzling." Such, then, is the hopeless tangle of enigmas into which our " stable result " of botanical investigation would appear to resolve itself, and this it is which we are bidden to take as the guiding line which shall alone conduct us aright into the labyrinth of Nature's secrets, enabling us at the very outset easily to understand what to our forefathers was a mystery. It must likewise be remembered that plants with flowers are, after all, but one section of the vegetable kingdom, and when we come to consider the other section, of plants re- producing their kind by spores, we find as, for example, among ferns that all the arrangements are such as to make self-fertilization a practical necessity; it requires, in fact, a good deal of delicate manipulation artificially to * Ibid., p. 323. i 1 6 tfn-natural History secure a cross. It may be that these plants are lower in the scale of life than the others, still there they are, and seem likely to remain ; and on a full view of the whole field, it would rather seem, as I have heard it suggested, that the utterances to which we have listened amount in reality to no more than this that Nature abhors self-fertilization in those cases where cross-fertilization is produced. But such a conclusion scarcely warrants us in adjudging to the bee the office of Nature's head-gardener, and in crediting him with all the infinite beauty which we behold. Yet this it is that Mr. Grant Allen does in the following passage, quoted with approbation by Mr. Wallace * : While man has only tilled a few level plains, a few great river valleys, a few peninsular mountain slopes, leaving the vast mass of earth untouched by his hand, the insect has spread himself over every land in a thousand shapes, and has made the whole flowering creation subservient to his daily wants. His butter- cup, his dandelion, and his meadow-sweet grow thick in every English field. His thyme \ clothes the hillside; his heather purples the bleak grey moorland. High up among the Alpine heights his gentian spreads its lakes of blue ; amid the snows ot the Himalayas his rhododendrons gleam with crimson light. Even the wayside pond yields him the white crowfoot and the arrow-head, while the broad expanses of Brazilian streams are beautified by his gorgeous water-lilies. The insect has thus turned the surface of the earth into a boundless flower-garden, which supplies him from year to year with pollen or honey, and itself in turn gains perpetuation by the baits which it offers for its allurement. A writer should be very sure of his ground who indulges in such a rhapsody as this, and from what has been said we are able to judge as to the solid foundation underlying these sonorous phrases. Strange to say, I have heard it argued by a disciple of the same philosophy that even our British wild flowers must have been affected by cultivation on the * The Colour-sense, p. 95, quoted in Darwinism, p. 333. t This appears to be Mr. Wallace's emendation. In Mr. Grant Allen's own work the reading is " mint." Mr. Wallace's version is an improve- ment, as mint certainly does not clothe hill-sides. tin-natural History 1 1 7 ground that they are more highly developed than would be possible under the influence of insects alone ; the high development being visible, amongst other things, in the fact that so many of them are blue. If anything were needed at this stage of our investigation to obscure any gleam of light which may have remained to us, this sug- gestion would amply suffice for the purpose. The vast majority of wild flowers are for the cultivator simply " weeds," and his only treatment is to destroy them ; and even if this were not so, how should our influence affect flowers in the same direction as that of bees, unless we, like them, quested for honey and admired blue ? The idea is not worthy of mention for its own sake, but it serves to exhibit one more specimen of the sort of thing which nowadays is made to pass muster under the name of science. Examples from the field of botany have occupied us so long that there is little space for any others, but I cannot refrain from adducing at least one from the realm of animal life. As the colours of flowers, so the colour of everything else must be accounted for on utilitarian principles, and amongst the rest that of birds' eggs. Why are the thrush's blue, the dipper's white, the blackbird's green and brown, the robin's white and red? Into such manifold complexities does this question lead that it has been found impossible to do more than indicate the general principle which, in modes infinitely various, is supposed to be illustrated. This principle is that of " protective colora- tion." Eggs laid in a covered nest, we are told, are white, but this colour would be too conspicuous in the open, so it is exchanged for others which by assimilation to the sur- roundings help to guard against detection. But besides the difficulty, immediately arising, that the ringdove, for instance, lays eggs of pure white in a nest absolutely flat and open, and moreover, so loosely constructed that they can often be seen through it from beneath, there is the farther fact to be explained, that the bright colours of many eggs would appear more likely to advertise their situation than to conceal it. Into the consideration of this point I 1 1 8 Un-natural History do not wish to enter ; my object is merely to illustrate the ways of the modern naturalist, by observing how he approaches it. Mr. Wallace, then, thus writes * : The beautiful blue or greenish eggs of the hedge-sparrow, the song-thrush, the blackbird, and the lesser redpole, seem at first sight especially calculated to attract attention, but it is very doubtful whether they are really so conspicuous, when seen at a little distance among their usual surroundings. For the nests of these birds are either in evergreens, as holly or ivy, or surrounded by the delicate green tints of our early spring vegetation, and may thus harmonize very well with the colours around them. The great majority of the eggs of our smaller birds are so spotted or streaked with brown or black on variously tinted grounds that, when lying in the shadow of the nest, and surrounded by the many colours and tints of bark and moss, of purple buds and tender green or yellow foliage, with all the complex glittering lights and mottled shades produced among these by the spring sunshine and by sparkling raindrops, they must have a quite different aspect from that which they possess when we observe them torn from their natural surroundings. When we observe them torn from their natural surround- ings! Are birds' eggs to be seen only in museums? Are there no banks and bushes where we may go and look at them, and so satisfy ourselves not only how they may look, but how, in fact, they do ? Are our possibilities of describ- ing the actual face of Nature limited to the potential mood ? O weak Might Be ! O May, Might, Could, Would, Should ! How powerless ye For evil or for good ! If this be really the plight of naturalists, then is our friend the schoolboy qualified to be their teacher rather than their disciple, for he, depend upon it, is well acquainted with the look of a thrush's nest. It is, perhaps, not without significance that such a passage as we have heard should have Mr. Wallace for its * Darwinism, p. 215. Un-natural History 1 1 9 author. He is by no means a closet-naturalist only, and has done most wonderful work in the way of field observa- tion. But the scene of his labours was the Indian Archi- pelago, not the thickets and hedgerows of his native land, and it would almost appear as though he illustrated in his own practice a superstition whereof many symptoms are to be found elsewhere. It seems, indeed, commonly to be assumed that the only objects really worth observing are those which, in one way or another, are so removed from the vulgar gaze, as to be observable by the specialist alone. Unless a man can use a dissecting-knife, or be prepared to pore for long hours through a microscope, or can afford to go to the ends of the earth to seek exotic species under other stars, he is not held to be capable of contributing anything of value to the stores of science ; while as for the common objects around us, they are so utterly insignificant that we do the kindest thing on their behalf by constructing their history for them upon those scientific principles which, left to themselves, they fail to exhibit as plainly as they should. The resulting product may or may not have its merits as work of the imagination, but it appears to be clear that, whatever it may be, it is not natural history. PRINTED AND PUBLISHED BY THE CATHOLIC TRUTH SOCIETY, LONDON. UNIVERSITY OF CALIFORNIA LIBRARY Los Angeles This book is DUE on the last date stamped below. 2 1961 & W267S REC'D LD-LRt JIM 3 OCT041979 'KPO LI.-, OCT261979 9 - 1972 Form L9-32m-8,'58(5876s4)444 UC SOUTHERN REGIONAL LIBRARY FACILITY AA 000480774 9