Dupont, M., on the occurrence of the supra-condyloid foramen in the
humerus of man.
Durand, J.P., on causes of variation.
Dureau de la Malle, on the songs of birds; on the acquisition of an air
by blackbirds.
Dutch, retention of their colour by the, in South Africa.
Duty, sense of.
Duvaucel, female Hylobates washing her young.
Dyaks, pride of, in mere homicide.
Dynastes, large size of males of.
Dynastini, stridulation of.
Dytiscus, dimorphism of females of; grooved elytra of the female.
Eagle, young Cercopithecus rescued from, by the troop.
Eagle, white-headed, breeding in immature plumage.
Eagles, golden, new mates found by.
Ear, motion of the; external shell of the, useless in man; rudimentary
point of the, in man.
Ears, more variable in men than women; piercing and ornamentation of
the.
Earwigs, parental feeling in.
Echidna.
Echini, bright colours of some.
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