Analogue. A part or organ in one animal which has the same function as another part or organ in a different animal.

But, as we have before been led to remark, most of Mr. Darwin's statements elude, by their vagueness and incompleteness, the test of Natural History facts.

The laws of Coexistence;-the adaptation of structure to function; and to a certain extent the elucidation of natural affinities may be legitimately founded upon the examination of fully developed species;-But to obtain an insight into the laws of development,-the signification or bedeutung, of the parts of an animal body demands a patient examination of the successive stages of their development, in every group of Animals.

Rapid innovation is the cure for the ills we face, but because innovation is difficult and susceptible to failure, we might need to rethink the way we approach innovation and how we drive it through our companies.

That the variability of an organism to a certain extent is a constant and certain condition of life we admit, otherwise there would be no distinguishable individuals of a species.

No naturalist has devoted more painstaking attention to the structure of the barnacles than Mr. Darwin.

The powers, aspirations, and mission of man are such as to raise the study of his origin and nature, inevitably and by the very necessity of the case, from the mere physiological to the psychological stage of scientific operations.