"Hybridization" Quotes from Famous Books
 ... physiological species, or not, seeing that the amount of morphological difference is no safe guide? Is there any test of a physiological species? The usual answer of physiologists is in the affirmative. It is said that such a test is to be found in the phenomena of hybridization—in the results of crossing races, as compared with the results ...
— The Origin of Species - From 'The Westminster Review', April 1860 • Thomas H. Huxley |
