Walrus, development of the nictitating membrane in the; tusks of the; use of the tusks by the.
Walsh, B.D., on the proportion of the sexes in Papilio Turnus; on the Cynipidae and Cecidomyidae; on the jaws of Ammophila; on Corydalis cornutus; on the prehensile organs of male insects; on the antennae of Penthe; on the caudal appendages of dragonflies; on Platyphyllum concavum; on the sexes of the Ephemeridae; on the difference of colour in the sexes of Spectrum femoratum; on sexes of dragon-flies; on the difference of the sexes in the Ichneumonidae; on the sexes of Orsodacna atra; on the variation of the horns of the male Phanaeas carnifex; on the coloration of the species of Anthocharis.
Wapiti, battles of; traces of horns in the female; attacking a man; crest of the male; sexual difference in the colour of the.
Warbler, hedge-; young of the.
Warblers, superb, nidification of.
Wariness, acquired by animals.
Warington, R., on the habits of the stickleback; on the brilliant colours of the male stickleback during the breeding season.
Wart-hog, tusks and pads of the.
Watchmakers, short-sighted.
Waterhen.
Waterhouse, C.O., on blind beetles; on difference of colour in the sexes of beetles.
Waterhouse, G.R., on the voice of Hylobates agilis.
Water-ouzel, autumn song of the.
Waterton, C., on the Bell-bird; on the pairing of a Canada goose with a Bernicle gander; on hares fighting.
Wattles, disadvantageous to male birds in fighting.
Weale, J., Mansel, on a South African caterpillar.
Wealth, influence of.
Weapons, used by man; employed by monkeys; offensive, of males; of mammals.
Weaver-bird.
Weaver-birds, rattling of the wings of; assemblies of.
Webb, Dr., on the wisdom teeth.
Wedderburn, Mr., assembly of black game.
Wedgwood, Hensleigh, on the origin of language.
Weevils, sexual difference in length of snout in some.
Weir, Harrison, on the numerical proportion of the sexes in pigs and rabbits; on the sexes of young pigeons; on the songs of birds; on pigeons; on the dislike of blue pigeons to other coloured varieties; on the desertion of their mates by female pigeons.
Weir, J. Jenner, on the nightingale and blackcap; on the relative sexual maturity of male birds; on female pigeons deserting a feeble mate; on three starlings frequenting the same nest; on the proportion of the sexes in Machetes pugnax and other birds; on the coloration of the Triphaenae; on the rejection of certain caterpillars by birds; on sexual differences of the beak in the goldfinch; on a piping bullfinch; on the object of the nightingale's song; on song-birds; on the pugnacity of male fine-plumaged birds; on the courtship of birds; on the finding of new mates by Peregrine falcons and Kestrels; on the bullfinch and starling; on the cause of birds remaining unpaired; on starlings and parrots living in triplets; on recognition of colour by birds; on hybrid birds; on the selection of a greenfinch by a female canary; on a case of rivalry of female bullfinches; on the maturity of the golden pheasant.
Weisbach, Dr., measurement of men of different races; on the greater variability of men than of women; on the relative proportions of the body in the sexes of different races of man.
Weismann, Prof., colours of Lycaenae.
Welcker, M., on brachycephaly and dolichocephaly; on sexual differences in the skull in man.
Wells, Dr., on the immunity of coloured races from certain poisons.
Westring, on the stridulation of males of Theridion; on the stridulation of Reduvius personatus; on the stridulation of beetles; on the stridulation of Omaloplia brunnea; on the stridulating organs of the Coleoptera; on sounds produced by Cychrus.
Westropp, H.M., on reason in a bear; on the prevalence of certain forms of ornamentation.
Westwood, J.O., on the classification of the Hymenoptera; on the Culicidae and Tabanidae; on a Hymenopterous parasite with a sedentary male; on the proportions of the sexes in Lucanus cervus and Siagonium; on the absence of ocelli in female Mutillidae; on the jaws of Ammophila; on the copulation of insects of distinct species; on the male of Crabro cribrarius; on the pugnacity of the male Tipulae; on the stridulation of Pirates stridulus; on the Cicadae; on the stridulating organs of the cricket; on Ephippiger vitium; on Pneumora; on the pugnacity of the Mantides; on Platyblemnus; on difference in the sexes of the Agrionidae; on the pugnacity of the males of a species of Tenthredinae; on the pugnacity of the male stag-beetle; on Bledius taurus and Siagonium; on lamellicorn beetles; on the coloration of Lithosia.