"Colouration" Quotes from Famous Books
... brood and strain into the abdominal cavity. These adhered and built up circulatory systems, as an autopsy later showed. This cockerel, whose male sex glands had been exchanged for female ones, developed the female body, and colouration so completely that expert breeders of the strain pronounced it a female. He found that simply removing the female sex glands invariably led to the development of spurs and male plumage. But simple removal of the male sex glands ... — Taboo and Genetics • Melvin Moses Knight, Iva Lowther Peters, and Phyllis Mary Blanchard
... Most often they show pure white; sometimes a jet black; only when within a few hundred yards does one distinguish the stripes. Almost always they are very easily made out. Only when very distant and in heat shimmer, or in certain half lights of evening, does their so-called "protective colouration" seem to be in working order, and even then they are always quite visible to the ... — The Land of Footprints • Stewart Edward White
... course of time with a great difficulty. The magnified image of the object observed was not quite pure; its edges, indeed, were fringed with rainbow-like colours. This defect was found to be aggravated with increase in the size of object-glasses. A method was, however, discovered of diminishing this colouration, or chromatic aberration as it is called from the Greek word [chroma] (chroma), which means colour, viz. by making telescopes of great length and only a few inches in width. But the remedy was, in a way, worse than the disease; for telescopes thus became of such huge proportions ... — Astronomy of To-day - A Popular Introduction in Non-Technical Language • Cecil G. Dolmage |