Boar, wild, polygamous in India; use of the tusks by the; fighting of.
Boardman, Mr., Albino birds in U.S.
Boitard and Corbie, MM., on the transmission of sexual peculiarities in pigeons; on the antipathy shewn by some female pigeons to certain males.
Bold, Mr., on the singing of a sterile hybrid canary.
Bombet, on the variability of the standard of beauty in Europe.
Bombus, difference of the sexes in.
Bombycidae, coloration of; pairing of the; colours of.
Bombycilla carolinensis, red appendages of.
Bombyx cynthia, proportion of the sexes in; pairing of.
Bombyx mori, difference of size of the male and female cocoons of; pairing of.
Bombyx Pernyi, proportion of sexes of.
Bombyx Yamamai, M. Personnat on; proportion of sexes of.
Bonaparte, C.L., on the call-notes of the wild turkey.
Bond, F., on the finding of new mates by crows.
Bone, implements of, skill displayed in making.
Boner, C., on the transfer of male characters to an old female chamois; on the habits of stags; on the pairing of red deer.
Bones, increase of, in length and thickness, when carrying a greater weight.
Bonizzi, P., difference of colour in sexes of pigeons.
Bonnet monkey.
Bonwick, J., extinction of Tasmanians.
Boomerang.
Boreus hyemalis, scarcity of the male.
Bory St. Vincent, on the number of species of man; on the colours of Labrus pavo.
Bos etruscus.
Bos gaurus, horns of.
Bos moschatus.
Bos primigenius.
Bos sondaicus, horns of, colours of.
Botocudos, mode of life of; disfigurement of the ears and lower lip of the.
Boucher de Perthes, J.C. de, on the antiquity of man.
Bourbon, proportion of the sexes in a species of Papilio from.
Bourien on the marriage-customs of the savages of the Malay Archipelago.
Bovidae, dewlaps of.
Bower-birds, habits of the; ornamented playing-places of.
Bows, use of.
Brachycephalic structure, possible explanation of.
Brachyura.
Brachyurus calvus, scarlet face of.
Bradley, Mr., abductor ossis metatarsi quinti in man.
Brain, of man, agreement of the, with that of lower animals; convolutions of, in the human foetus; influence of development of mental faculties upon the size of the; influence of the development of on the spinal column and skull; larger in some existing mammals than in their tertiary prototypes; relation of the development of the, to the progress of language; disease of the, affecting speech; difference in the convolutions of, in different races of men; supplement on, by Prof. Huxley; development of the gyri and sulci.
Brakenridge, Dr., on the influence of climate.
Brandt, A., on hairy men.
Braubach, Prof., on the quasi-religious feeling of a dog towards his master; on the self-restraint of dogs.
Brauer, F., on dimorphism in Neurothemis.
Brazil, skulls found in caves of; population of; compression of the nose by the natives of.
Break between man and the apes.
Bream, proportion of the sexes in the.
Breeding, age of, in birds.
Breeding season, sexual characters making their appearance in the, in birds.
Brehm, on the effects of intoxicating liquors on monkeys; on the recognition of women by male Cynocephali; on the diversity of the mental faculties of monkeys; on the habits of baboons; on revenge taken by monkeys; on manifestations of maternal affection by monkeys and baboons; on the instinctive dread of monkeys for serpents; on the use of stones as missiles by baboons; on a baboon using a mat for shelter from the sun; on the signal-cries of monkeys; on sentinels posted by monkeys; on co-operation of animals; on an eagle attacking a young Cercopithecus; on baboons in confinement protecting one of their number from punishment; on the habits of baboons when plundering; on polygamy in Cynocephalus and Cebus; on the numerical proportion of the sexes in birds; on the love-dance of the blackcock; Palamedea cornuta; on the habits of the Black-grouse; on sounds produced by birds of paradise; on assemblages of grouse; on the finding of new mates by birds; on the fighting of wild boars; on sexual differences in Mycetes; on the habits of Cynocephalus hamadryas.