"Dimorphic" Quotes from Famous Books
 ... because he was impatient to resume experiments carried over from year to year—the effect of varying degrees of natural cold upon the colors of butterflies whose chrysalids were exposed to it. He generally used the chrysalids of the Papilio Turnus, whose females are dimorphic, that is, having two distinct forms. He did not care to resort to artificial freezing, preferring to allow Nature herself to work for him. And the jade repaid him, as usual, by showing him what she could do but refusing to divulge the moving why she did it. She gave him for his pains ...
— Slippy McGee, Sometimes Known as the Butterfly Man • Marie Conway Oemler
... deer. Two investigations of the effects of castration on ducks and drakes have been recorded. H. D. Goodale [Footnote: 'Castration of Drakes.' Biol. Bulletin, Wood's Hole, Mass., vol. xx., 1910] removed the generative organs from both drakes and ducks of the Rouen breed, which is strongly dimorphic in plumage. One drake was castrated in the early spring of 1909 when a little less than a year old. This bird did not assume the summer plumage in 1909, that is, did not pass into eclipse. It was in the nuptial plumage when castrated. This breeding ...
— Hormones and Heredity • J. T. Cunningham
... the reproductive system affecting individuals of the same species reach their maximum in what are called heterostyled, or dimorphic and trimorphic flowers, the phenomena presented by which form one of the most remarkable of Mr. Darwin's many discoveries. Our common cowslip and primrose, as well as many other species of the genus ...
— Darwinism (1889) • Alfred Russel Wallace |
