Page:Descent of Man 1875.djvu/702

686

* Water-ouzel, 455; autumn song of the, 370.
 * Waterton, C., on the Bell-bird, 389; on the pairing of a Canada goose with a Bernicle gander, 414; on hares fighting, 500.
 * Wattles, disadvantageous to male birds in fighting, 404.
 * Weale, J. Mansel, on a South African caterpillar, 325.
 * Wealth, influence of, 134.
 * Weapons, used by man, 48; employed by monkeys, 81; offensive, of males, 210; of mammals, 501 et seq.
 * Weaver-bird, 370.
 * Weaver-birds, rattling of the wings of, 375; assemblies of, 405.
 * Webb, Dr., on the wisdom teeth, 20.
 * Wedderburn, Mr., assembly of black game, 407.
 * Wedgwood, Hensleigh, on the origin of language, 87.
 * Weevils, sexual difference in length of snout in some, 208.
 * Weir, Harrison, on the numerical proportion of the sexes in pigs and rabbits, 247; on the sexes of young pigeons, 247; on the songs of birds, 368; on pigeons, 411; on the dislike of blue pigeons to other coloured varieties, 417; on the desertion of their mates by female pigeons, 418.
 * , J. Jenner, on the nightingale and blackcap, 212; on the relative sexual maturity of male birds, 213; on female pigeons deserting a feeble mate, 214; on three starlings frequenting the same nest, 219; on the proportion of the sexes in Machetes pugnax and other birds, 247, 248; on the coloration of the Triphœnœ, 313; on the rejection of certain caterpillars by birds, 326; on sexual differences of the beak in the goldfinch, 360; on a piping bullfinch, 369; on the object of the nightingale's song, 368; on songbirds, 369; on the pugnacity of male fine-plumaged birds, 400; on the courtship of birds, 401; on the finding of new mates by Peregrine-falcons and Kestrels, 408; on the bullfinch and starling, 408; on the cause of birds remaining unpaired, 409; on starlings and parrots living in triplets, 409; on recognition of colour by birds, 411; on hybrid birds, 414; on the selection of a greenfinch by a female canary, 415; on a case of rivalry of female bullfinches, 420; on the maturity of the golden-pheasant, 483.
 * Weisbach, Dr., measurement of men of different races, 167; on the greater variability of men than of women, 223; on the relative proportions of the body in the sexes of different races of man, 559.
 * Weismann, Prof., colours of Lycœnœ, 312.
 * Welcker, M., on brachycephaly and dolichocephaly, 56; on sexual differences in the skull in man, 557.
 * Wells, Dr., on the immunity of coloured races from certain poisons, 193.
 * Westring, on the stridulation of males of Theridion, 273; on the stridulation of Reduvius personatus, 281; on the stridulation of beetles, 302; on the stridulation of Omaloplia brunnea, 303; on the stridulating organs of the Coleoptera, 304; on sounds produced by Cychrus, 304.
 * Westropp, H. M., on reason in a bear, 76; on the prevalence of certain forms of ornamentation, 179.
 * Westwood, J. O., on the classification of the Hymenoptera, 148; on the Culicidæ and Tabanidæ, 208; on a Hymenopterous parasite with a sedentary male, 221; on the proportions of the sexes in Lucanus cervus and Siagonium, 253; on the absence of ocelli in female mutillidæ, 274; on the jaws of Ammophila, 275; on the copulation of insects of distinct species, 275; on the male of Crabro cribrarius, 276; on the pugnacity of male Tipulæ, 280; on the stridulation of Pirates stridulus, 281; on the Cicadæ, 281; on the stridulating organs of the crickets, 284; on Ephippiger vitium, 284, 288; on Pneumora, 287; on the pugnacity of the Mantides, 289; on Platyblemnus, 289; on difference in the sexes of the Agrionidæ, 290;