Page:Descent of Man 1875.djvu/638

622

* Antelopes, generally polygamous, 217; horns of, 234, 504; canine teeth of some male, 502; use of horns of 509; dorsal crests in, 530; dewlaps of, 531; winter change of two species of, 543; peculiar markings of, 543.
 * Antennæ, furnished with cushions in the male of Penthe, 276.
 * Anthidium manicatum, large male of, 279.
 * Anthocharis cardamines, 308, 312; sexual difference of colour in, 322.
 * genutia, 312.
 * sara, 312.
 * Anthophora acervorum, large male of, 279.
 * retusa, difference of the sexes in, 292.
 * Anthropidæ, 152.
 * Anthus, moulting of, 392.
 * Antics of birds, 380.
 * Antigua, Dr. Nicholson's observations on yellow fever in, 195.
 * Antilocapra americana, horns of, 234, 504, 507.
 * Antilope bezoartica, horned females of, 505, 506, 507; sexual difference in the colour of, 535.
 * Dorcas and euchore, 504.
 * euchore, horns of, 509.
 * montana, rudimentary canines in the young male of, 514.
 * niger, sing-sing, caama, and gorgon, sexual differences in the colours of, 536.
 * oreas, horns of, 234.
 * saiga, polygamous habits of, 217.
 * strepsiceros, horns of, 234.
 * subgutturosa, absence of suborbital pits in, 529.
 * Antipathy, shewn by birds in confinement, to certain persons, 411.
 * Ants, 147; large size of the cerebral ganglia in, 54; soldier-, large jaws of, 63; playing together, 69; memory in, 74; intcommunication of, by means of the antennæ, 89; habits of, 147; difference of the sexes in, 292; recognition of each other by, after separation, 292.
 * White, habits of, 291.
 * Anura, 349.
 * Apatania muliebris, male unknown, 254.
 * Apathus, difference of the sexes in, 292.
 * Apatura Iris, 307, 308.
 * Apes, difference of the young, from the adult, 8; semi-erect attitude of some, 52; mastoid processes of, 53; influences of the jaw-muscles on the physiognomy of, 54; female, destitute of large canines, 63; building platforms, 82; imitative faculties of, 129; anthropomorphous, 153; probable speedy extermination of the, 156; Gratiolet on the evolution of, 177; canine teeth of male, 502; females of some, less hairy beneath than the males, 601.
 * long-armed, their mode of progression, 52.
 * Aphasia, Dr. Bateman on, 88.
 * Apis mellifica, large male of, 279.
 * Apollo, Greek statues of, 581.
 * Apoplexy in Cebus Azaræ, 7.
 * Appendages, anal, of insects, 276.
 * Approbation, influence of the love of, 109, 116, 131.
 * Aprosmictus scapulatus, 457.
 * Apus, proportion of sexes, 255.
 * Aquatic birds, frequency of white plumage in, 495.
 * Aquila chrysaëtos, 408.
 * Arab women, elaborate and peculiar coiffure of, 583.
 * Arabs, fertility of crosses with other races, 171; gashing of cheeks and temples among the, 574.
 * Arachnida, 272.
 * Arakhan, artificial widening of the forehead by the natives of, 583.
 * Arboricola, young of, 468.
 * Archeopteryx, 158.
 * Arctiidæ, coloration of the, 314.
 * Ardea asha, rufescens, and cærulea, change of colour in, 494, 495.
 * cærulea, breeding in immature plumage, 484.
 * gularis, change of plumage in, 495.
 * herodias, love-gestures of the male, 380.
 * ludoviciana, age of mature plumage in, 483; continued growth of crest and plumes in the male of, 485.
 * nycticorax, cries of, 368.