master; their possession of conscience; possible use of the hair on the
fore-legs of the; races of the; numerical proportion of male and female
births in; sexual affection between individuals of; howling at certain
notes; rolling in carrion.
Dolichocephalic structure, possible cause of.
Dolphins, nakedness of.
Domestic animals, races of; change of breeds of.
Domestication, influence of, in removing the sterility of hybrids.
D Orbigny, A., on the influence of dampness and dryness on the colour
of the skin; on the Yuracaras.
Dotterel.
Doubleday, E., on sexual differences in the wings of butterflies.
Doubleday, H., on the proportion of the sexes in the smaller moths;
males of Lasiocampa quercus and on the attraction of the Saturnia
carpini by the female; on the proportion of the sexes in the
Lepidoptera; on the ticking of Anobium tesselatum; on the structure of
Ageronia feronia; on white butterflies alighting upon paper.
Douglas, J.W., on the sexual differences of the Hemiptera; colours of
British Homoptera.
Down, of birds.
Draco, gular appendages of.
Dragonet, Gemmeous.
Dragon-flies, caudal appendages of male; relative size of the sexes of;
difference in the sexes of; want of pugnacity by the male.
Drake, breeding plumage of the.
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