Wolff, on the variability of the viscera in man.
Wollaston, T.V., on Eurygnathus; on musical Curculionidae; on the stridulation of Acalles.
Wolves, learning to bark from dogs; hunting in packs.
Wolves, black.
Wombat, black varieties of the.
Women, distinguished from men by male monkeys; preponderance of, in numbers; selection of, for beauty; effects of selection of, in accordance with different standards of beauty; practice of capturing; early betrothals and slavery of; freedom of selection by, in savage tribes.
Wonder, manifestations of, by animals.
Wonfor, Mr., on sexual peculiarities, in the wings of butterflies.
Wood, J., on muscular variations in man; on the greater variability of the muscles in men than in women.
Wood, T.W., on the colouring of the orange-tip butterfly; on the habits of the Saturniidae; quarrels of chamaeleons; on the habits of Menura Alberti; on Tetrao cupido; on the display of plumage by male pheasants; on the ocellated spots of the Argus pheasant; on fighting of Menura superba; on the habits of the female cassowary.