...experiences of special evolution, repeated in every plant and animal. Each organism exhibits, within a short space of time, a series of changes which, when supposed...clear conception of organic evolution in general. In an individual development, we have compressed into a comparatively infinitesimal space, a series...

...experiences of special evolution, repeated in every plant and animal. Each organism exhibits, within a short space of time, a series of changes which, when supposed...clear conception of organic evolution in general. In an individual development, we have compressed into a comparatively infinitesimal space, a series...

...their less modified progenitors. "t " Each organism," says Herbert Spencer,* " exhibits within a short space of time a series of changes which, when supposed...clear conception of organic evolution in general. The naturalists of the older school do not, as Darwin and Fritz Müller have already pointed out. deny...

...therefore closely related." So also Mr. Herbert Spencer says — " Each organism exhibits within a short space of time, a series of changes which, when supposed...great, and to go on in various ways instead of one way, gives us a tolerably clear conception of organic evolution in general." It may be said that this argument...

...ancestors ; and, in fact, it is strongly held by Agassiz, one of Darwin's most uncompromising opponents. space of time, a series of changes which, when supposed...clear conception of organic evolution in general." The Duke ends his work with the expression of a belief that man, " even in his most civilized condition,...

...which exists in living matter. As Mr. Spencer says1 : — ' Each organism exhibits, within a short space of time, a series of changes which, when supposed...clear conception of organic evolution in general.' Nay, more, in the development of the individual we have a condensed embodiment of the modifications...

...which exists in living matter. As Mr. Spencer says1 : — ' Each organism exhibits, within a short space of time, a series of changes which, when supposed...clear conception of organic evolution in general.' Nay, more, in the development of the individual we have a condensed embodiment of the modifications...

...their less modified progenitors.' t "Each organism," says Herbert Spencer,! "exhibits within a short space of time a series of changes which, when supposed...occupy a pe-riod indefinitely great, and to go on in vatious ways instead of one way, give us a tolerably clear conception of organic evolution in general....

...its less modified progenitors."2 "Each organism," says Herbert Spencer,3 " exhibits within a short space of time a series of changes which, when supposed...clear conception of organic evolution in general." The naturalists of the older school do not, as Darwin and Fritz Mtiller have already pointed out, dispute...

...26. 532. * Beitrage zur Kenntniss der * Principles of Biology, vol. ip fossilen Ffeide. Basle, 1863. 349. ' space of time, a series of changes which, when...however, be a mistake ; the objection might indeed be tenable if men belonged to different species, but it cannot fairly be urged by those who regard all...