sing of varieties of the pea, i. 397;
effect of foreign pollen on grapes, i. 400;
on hybrid plants, ii. 131;
analogy between pollen of highly-cultivated plants and hybrids, ii.
268;
on Hungarian kidney-beans, ii. 275;
failure of Indian wheat in England, ii. 307;
bud developed on the petal of a _Clarkia_, ii. 384.
BERNARD, inheritance of disease in the horse, ii. 10.
BERNARD, C., independence of the organs of the body, ii. 368-369;
special affinities of the tissues, ii. 380.
BERNHARDI, varieties of plants with laciniated leaves, ii. 348.
_Bernicla antarctica_, i. 288.
BERTERO, on feral pigeons in Juan Fernandez, i. 190.
_Betula alba_, ii. 18.
BEWICK, on the British wild cattle, i. 84.
BIBLE, reference to breeding studs of horses in, i. 54;
references to domestic pigeons in the, i. 205;
indications of selection of sheep in the, ii. 201;
notice of mules in the, ii. 202.
BIDWELL, Mr., on self-impotence in _Amaryllis_, ii. 139.
BIRCH, weeping, i. 387, ii. 18.
BIRCH, Dr. S., on the ancient domestication of the pigeon in Egypt, i.
205;
notice of bantam fowls in a Japanese encyclopaedia, i. 230, 247.
BIRCH, Wyrley, on silver-grey rabbits, i. 109-110.
BIRDS, sterility caused in, by change of conditions, ii. 153-157.
BLADDER-NUT, tendency of the, to become double, ii. 168.
BLAINE, Mr., on wry-legged terriers, ii. 245.
BLAINVILLE, origin and history of the dog, i. 15-16;
variations in the number of teeth in dogs, i. 34;
variations in the number of toes in dogs, i. 35;
on mummies of cats, i. 43;
on the osteology of solid-hoofed pigs, i. 75;
on feral Patagonian and N. American pigs, i. 77.
"BLASS-TAUBE," i. 156.
BLEEDING, hereditary, ii. 7, 8;
sexual limitation of excessive, ii. 73.
BLENDING of crossed races, time occupied by the, ii. 87.
BLINDNESS, hereditary, ii. 9;
at a certain age, ii. 78;
associated with colour of hair, ii. 328.
BLOODHOUNDS, degeneration of, caused by interbreeding, ii. 121.
BLUMENBACH, on the protuberance of the skull in Polish fowls, i. 257;
on the effect of circumcision, ii. 23;
inheritance of a crooked finger, ii. 23;
on badger-dogs and other varieties of the dog, ii. 220;
on _Hydra_, ii. 293;
on the "nisus formativus," ii. 294.
BLYTH, E., on the Pariah dog, i. 24;
hybrids of dog and jackal, i. 32;
early domestication of cats in Ind