Heliothrix auriculata, young of.
Helix pomatia, example of individual attachment in.
Hellins, J., proportions of sexes of Lepidoptera reared by.
Helmholtz, on pleasure derived from harmonies; on the human eye; on the
vibration of the auditory hairs of crustacea; the physiology of
harmony.
Hemiptera.
Hemitragus, beardless in both sexes.
Hemsbach, M. von, on medial mamma in man.
Hen, clucking of.
Hepburn, Mr., on the autumn song of the water-ouzel.
Hepialus humuli, sexual difference of colour in the.
Herbs, poisonous, avoided by animals.
Hermaphroditism, of embryos; in fishes.
Herodias bubulcus, vernal moult of.
Heron, Sir R., on the habits of peafowl.
Herons, love-gestures of; decomposed feathers in; breeding plumage of;
young of the; sometimes dimorphic; continued growth of crest and plumes
in the males of some; change of colour in some.
Hesperomys cognatus.
Hetaerina, proportion of the sexes in; difference in the sexes of.
Heterocerus, stridulation of.
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