Bubas bison, thoracic projection of.
Bubalus caffer, use of horns.
Bucephalus capensis, difference of the sexes of, in colour.
Buceros, nidification and incubation of.
Buceros bicornis, sexual differences in the colouring of the casque,
beak, and mouth in.
Buceros corrugatus, sexual differences in the beak of.
Buchner, L., on the origin of man; on the use of the human foot as a
prehensile organ; on the mode of progression of the apes; on want of
self-consciousness, etc., in savages.
Bucholz, Dr., quarrels of chamaeleons.
Buckinghamshire, numerical proportion of male and female births in.
Buckland, F., on the numerical proportion of the sexes in rats; on the
proportion of the sexes in the trout; on Chimaera monstrosa.
Buckland, W., on the complexity of crinoids.
Buckler, W., proportion of sexes of Lepidoptera reared by.
Bucorax abyssinicus, inflation of the neck-wattle of the male during
courtship.
Budytes Raii.
Buffalo, Cape.
Buffalo, Indian, horns of the.
Buffalo, Italian, mode of fighting of the.
Buffon, on the number of species of man.
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