Acting.
Actiniae, bright colours of.
Adams, Mr., migration of birds; intelligence of nut-hatch; on the
Bombycilla carolinensis.
Admiral butterfly.
Adoption of the young of other animals by female monkeys.
Advancement in the organic scale, Von Baer s definition of.
Aeby, on the difference between the skulls of man and the quadrumana.
Aesthetic faculty, not highly developed in savages.
Affection, maternal; manifestation of, by animals; parental and filial,
partly the result of natural selection; mutual, of birds; shewn by
birds in confinement, for certain persons.
Africa, probably the birthplace of man; South, crossed population of;
South, retention of colour by the Dutch in; South, proportion of the
sexes in the butterflies of; tattooing practised in; Northern, coiffure
of natives of.
Agassiz, L., on conscience in dogs; on the coincidence of the races of
man with zoological provinces; on the number of species of man; on the
courtship of the land-snails; on the brightness of the colours of male
fishes during the breeding season; on the frontal protuberance of the
males of Geophagus and Cichla; male fishes hatching ova in their
mouths; sexual differences in colour of chromids; on the slight sexual
differences of the South Americans; on the tattooing of the Amazonian
Indians.
Age, in relation to the transmission of characters in birds; variation
in accordance with, in birds.
Agelaeus phoeniceus.
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