"Uropygium" Quotes from Famous Books
 ... follows generally the same law. The crown of the head, the throat, the ear-coverts, and the eyes have usually distinct tints in all highly coloured birds; the region of the furcula has often a distinct patch of colour, as have the pectoral muscles, the uropygium or root of the ...
— Darwinism (1889) • Alfred Russel Wallace |
