BIDWELL, Mr., on self-impotence in Amaryllis.
Bignonia, self-sterility of.
BIRCH, weeping.
BIRCH, Dr. S., on the ancient domestication of the pigeon in Egypt. -notice of bantam fowls in a Japanese encyclopaedia.
BIRCH, WYRLEY, on silver-grey rabbits.
BIRDS, sterility caused in, by change of conditions.
BLADDER-NUT, tendency of the, to become double.
BLAINE, Mr., on wry-legged terriers.
BLAINVILLE, origin and history of the dog. -variations in the number of teeth in dogs. -variations in the number of toes in dogs. -on mummies of cats. -on the osteology of solid-hoofed pigs. -on feral Patagonian and N. American pigs.