...belief in the diversity of origin of those which were at first really identical. When it can be shotc n that two races have had a separate origin, they are...proof, this is inferred when we see some peculiarity of organisation, characteristic of each, so constantly transmitted from parent to offspring, that the...

...notice, and witness these distinct forms perpetuated, as it would seem, by the process of Reproduction, so as to constitute separate races, the question naturally...this is inferred, when we see some peculiarity of organisation, characteristic of each, so constantly transmitted from parent to offspring, that the...

...and important. At the risk of anticipating the course of argument, I may quote the following words: " When it can be shown that two races have had a separate...origin, they are regarded as of different species. . . . The uncertainty of the limits of species is daily becoming more and more evident ; and every...

...have arisen in the first instance from a single pair. And to the same effect Dr. Carpenter says : " When it can be shown that two races have had a separate...in the absence of proof, this is inferred when we find some peculiarity of organization characteristic of each, so constantly transmitted from parent...

...race, evinced by the constant transmission of some characteristic of organization." Dr. Carpenter: " When it can be shown that two races have had a separate origin, they are to be regarded as of different species ; and in the absence of proof, this is inferred when we see...

...race, evinced by the constant transmission of some characteristic of organization." Dr. Carpenter: 11 When it can be shown that two races have had a separate origin, they are to be regarded as of different species; and in. the absence of proof, this is inferred when we see...