...of descent,"* And, in view of the facts of geology, it follows that all living animals and plants " are the lineal descendants of those which lived long before the Silurian epoch." t It is an obvious consequence of this theory of descent with modification, as it is sometimes called,...

...those which lived long before the Cambrian epoch, we may feel certain that the ordinary succession of generation has never once been broken, and that no cataclysm has desolated the whole world " (Origin of Species, p. 428). Like all great discoveries, the grandeur of Mr Darwin's conception lay...

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...power and capacity by gradation. Light will be thrown on the origin of man* and his " As all the living forms of life are the lineal descendants of those...the ordinary succession by generation has never once Wn broken, and that no cataclysm has desolated the whole world. Hence we may look with some confidence...

...change would be "millions of millions of ages." And he adds, in his concluding chapter, That " as all forms of life are the lineal descendants of those...that the ordinary succession by generation has never been once broken, and that no cataclysm has desolated the whole world. Hence we may look forward with...

...by generation has never once been broken, that no catacîysm has desolated the whole world, and that we may look with some confidence to a secure future of equally inappreciable length. But no human intellect, unaided by revelation, is at present able to make such conclusions as these...

...living species will transmit its unaltered likeness to distant futurity. * * * * * As all the living forms of life are the lineal descendants of those...epoch, we may feel certain that the ordinary succession of generation has never once been broken, and that no cataclysm has desolated the whole world. Hence...

...action of natural selection, entailing extinction and divergence of character. . . . As all living forms of life are the lineal descendants of those...Silurian epoch, we may feel certain that the ordinary succes• by generation has never even been broken, and that no cataclysm \ge] has desolated the whole...

...and a new earth formed. Darwin assumes that " no cataclysm has desolated the whole world, and that we may look with some confidence to a secure future of equally inappreciable length," in which, "judging from the past, we may infer safely that not one living species will transmit its...