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Gallinaceae, frequency of polygamous habits and of sexual differences in the; love-gestures of; decomposed feathers in; stripes of young; comparative sexual differences between the species of; plumage of. Gallinaceous birds, weapons of the male; racket-shaped feathers on the heads of. Gallinula chloropus, pugnacity of the male. Galloperdix, spurs of; development of spurs in the female.

Papilionidae, variability in the. Papuans, line of separation between the, and the Malays; beards of the; teeth of. Papuans and Malays, contrast in characters of. Paradise, Birds of; supposed by Lesson to be polygamous; rattling of their quills by; racket-shaped feathers in; sexual differences in colour of; decomposed feathers in; display of plumage by the male; sexual differences in colour of.

King and Fitzroy, on the marriage-customs of the Fuegians. King-crows, nidification of. Kingfisher, racket-shaped feathers in the tail of a. Kingfishers, colours and nidification of the; immature plumage of the; young of the. King Lory, immature plumage of the. Kingsley, C., on the sounds produced by the Umbrina.

Thus the wing-feathers in one of the above-mentioned night-jars are bare along the shaft, and terminate in a disc; or are, as they are sometimes called, spoon or racket-shaped. In these latter birds, similar feathers, beautifully ocellated, ornament the head, as is likewise the case with some gallinaceous birds.