Papilio, proportion of the sexes in North American species of; sexual differences of colouring in species of; coloration of the wings in species of.
Papilio ascanius.
Papilio Sesostris and Childrenae, variability of.
Papilio Turnus.
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.
Paradisea apoda, barbless feathers in the tail of; plumage of; and P. papuana; divergence of the females of; increase of beauty with age.
Paradisea papuana, plumage of.