BUFFON, on crossing the wolf and dog. -increase of fertility by domestication. -improvement of plants by unconscious selection. -theory of reproduction.

Bulimus.

BULL, apparent influence of, on offspring.

BULLACE.

BULLDOG, degeneration of, in India. -recent modifications of

BULLFINCH, breeding in captivity. -attacking flower-buds.

BULT, Mr., on the length of pouter pigeons.

"BUNDTNERSCHWEIN."

BUNTING, reed, in captivity.

BURDACH, crossing of domestic and wild animals. -aversion of the wild boar to barley.