id author title date pages extension mime words sentences flesch summary cache txt 2936 Huxley, Thomas Henry Geological Contemporaneity and Persistent Types of Life .txt text/plain 7428 256 49 existence who look upon geology as Brindley regarded rivers. different kinds of living beings; the second, that the order of between series of strata, containing organic remains, in different first of all living existences; and to trace out the law of progress in time of a "great epoch"--whether it means a hundred years, or a form have not either come into existence by chance, nor result from changes in the living population of the globe during geological time of the case, we possess more abundant positive evidence regarding Fishes are represented in the Coal, either by existing genera, or by forms great as is their range in time, a large mass of evidence has recently modification, the fact is, so far, evidence in favour of a general law more embryonic, or less differentiated, than the existing forms. type in a great many groups of animals of long-continued geological ./cache/2936.txt ./txt/2936.txt