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.