BALLANCE, Mr., on the effects of interbreeding on fowls. -on variation in the eggs of fowls.

Ballota nigra, transmission of variegated leaves in.

BAMBOO, varieties of the.

BANANA, variation of the. -bud-variation in the. -sterility of the.

BANTAM fowls, Sebright, origin of. -sterility of.

BARB (pigeon). -figure of. -figure of lower jaw of.

BARBS, of wheat.

BARBERRY, dark or red-leaved variety. -reversion in suckers of seedless variety.

BARBUT, J., on the dogs of Guinea. -on the domestic pigeons in Guinea. -fowls not native in Guinea.

BARKING, acquisition of the habit of, by various dogs.