Preference for males by female birds; shewn by mammals, in pairing.
Prehensile organs.
Presbytis entellus, fighting of the male.
Preyer, Dr., on function of shell of ear; on supernumerary mammae in women.
Prichard, on the difference of stature among the Polynesians; on the connection between the breadth of the skull in the Mongolians and the perfection of their senses; on the capacity of British skulls of different ages; on the flattened heads of the Colombian savages; on Siamese notions of beauty; on the beardlessness of the Siamese; on the deformation of the head among American tribes and the natives of Arakhan.
Primary sexual organs.
Primates, sexual differences of colour in.
Primogeniture, evils of.
Prionidae, difference of the sexes in colour.
Proctotretus multimaculatus.