id author title date pages extension mime words sentences flesch summary cache txt 2924 Huxley, Thomas Henry The Perpetuation of Living Beings, Hereditary Transmission and Variation Lecture IV. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species" .txt text/plain 6512 214 61 The cases of asexual perpetuation are by no means so common as the cases of sexual perpetuation; and they are by no means so common in This tendency to variation is less marked in that mode of propagation the experiment in each case, the offspring is entirely different in great extent; but this second cause of variation cannot be considered his notice of a variation in the form of a human member, in the person fingers upon each hand, and the like number of toes to each of his feet. the present, I mention only these two cases; but the extent of variation tendency to variation; the third was Andre; he had five fingers and five We have in this case a good example of nature's tendency to the let me now point out what took place in the case of Seth Wright's sheep, variation distinct from the original stock, and make them breed ./cache/2924.txt ./txt/2924.txt