...of natural species in this respect." * In his work on the " Origin of Species," he also observes, " Natural Selection acts only by the preservation and accumulation of small inherited modifications." 2 And " Natural Selection, if it be a true principle, will banish the belief ... of any great and sudden...

...in explaining the excavation of the deepest valleys or the formation of long lines of inland cliffs. Natural selection acts only by the preservation and accumulation of small inherited modifications, each profitable to the preserved being ; and as nv.dern geology has almost banished such views as the...

...work, and are probably the sole differences which are effective in the production of new species." J " Natural Selection acts only by the preservation and accumulation of small inherited modifications, each modification being profitable to the preserved animal." || * Orlrjin of Species, 6th Ed., p. 269....

...selection acts exclusively by tho preservation and accumulation of variations whicli ire beneficial." " Natural selection acts only by the preservation and accumulation of small inherited modifications, etifh profitable to tlie presented being " " On the other hand <« 'may fe"l sure tftat any variation...

...be effected by natural selection" (Origin of Species, p. 9) ?—Yes. He lays it down, does he not, that " natural selection acts only by the preservation...and accumulation of small inherited modifications" (p. 75) ?—Quite so. Very well, how do you apply the law of development by inherited modifications,...

...a species along a line of variation that is advantageous to it is by exceedingly minute steps, and that " natural selection acts only by the preservation...and accumulation of small inherited modifications, each profitable to the preserved being ; and as modern geology has almost banished such views as the...

...explaining the excavation of the deepest valleys or the formation of long lines of inland cliffs. Katural selection acts only by the preservation and accumulation of small inherited modifications, each profitable to the preserved being ; and as modern geology has almost banished such 5 views as...

...lasting rather than sudden influence to be the inducement of the tendency to vary. For further evidence that " natural selection acts only by the preservation and accumulation of small " (p. 75) — [''infinitcsimally small " ed. ip 95] variations, consult the works cited passim. The...

...lasting rather than sudden influence to be the inducement of the tendency to vary. For further evidence that " natural selection acts only by the preservation and accumulation of small " (p. 75) — ['' infinitesimally small " ed. ip 95! variations, consult the works cited passim. The...

...variations which are beneficial." " Every variation which is not inherited is unimportant for us." " Natural selection acts only by the preservation and accumulation of small inherited modifications, each profitable to the preserved species." " Unless favorable variations be inherited by some at least...