Bartram, on the courtship of the male alligator.
Basque language, highly artificial.
Bate, C.S., on the superior activity of male crustacea; on the proportions of the sexes in crabs; on the chelae of crustacea; on the relative size of the sexes in crustacea; on the colours of crustacea.
Bateman, Dr., tendency to imitation in certain diseased states; on Aphasia.
Bates, H.W., on variation in the form of the head of Amazonian Indians; on the proportion of the sexes among Amazonian butterflies; on sexual differences in the wings of butterflies; on the field-cricket; on Pyrodes pulcherrimus; on the horns of Lamellicorn beetles; on the colours of Epicaliae, etc.; on the coloration of tropical butterflies; on the variability of Papilio Sesostris and Childrenae; on male and female butterflies inhabiting different stations; on mimicry; on the caterpillar of a Sphinx; on the vocal organs of the umbrella-bird; on the toucans; on Brackyurus calvus.
Batokas, knocking out two upper incisors.
Batrachia, eagerness of male.
Bats, scent-glands; sexual differences in the colour of; fur of male frugivorous.
Battle, law of; among beetles; among birds; among mammals; in man.
Beak, sexual difference in the forms of the; in the colour of the.