about the turkey, i. 293;
occurrence of horns in hornless breeds of sheep, ii. 30;
hybrids of the horse and ass, ii. 68;
crosses of tailless fowls, ii. 92;
difficulty of pairing dove-cot and fancy pigeons, ii. 103;
fertility of tame ferrets and rabbits, ii. 112;
fertility of wild sow, _ibid._;
difficulty of breeding caged birds, ii. 154;
comparative fertility of _Psittacus erithacus_ in captivity, ii. 155;
on changes of plumage in captivity, ii. 158;
liability of light-coloured cattle to the attacks of flies, ii. 229;
want of exercise a cause of variability, ii. 257;
effect of privation of light upon the plumage of birds, ii. 280;
on a sub-variety of the monk-pigeon, ii. 350.
BEDDOE, Dr., correlation of complexion with consumption, ii. 335.
BEDEGUAR gall, ii. 284.
BEE, persistency of character of, ii. 236, 254;
intercrossing, ii. 126;
conveyance, of pollen of peas by, i. 329.
BEE-OPHRYS, self-fertilisation of, ii. 91.
BEECH, dark-leaved, i. 362, ii. 19;
fern-leaved, reversion of, i. 382;
weeping, non-production of by seed, ii. 19.
BEECHEY, horses of Loochoo Islands, i. 53.
BEET, i. 326;
increase of sugar in, by selection, ii. 201.
{437}
_Begonia frigida_, singular variety of, i. 365;
sterility of, ii. 166.
BELGIAN rabbit, i. 106.
BELL, T., statement that white cattle have coloured ears, i. 85.
BELL, W., bud-variation in _Cistus tricuspis_, i. 377.
BELLINGERI, observations on gestation in the dog, i. 30;
on the fertility of dogs and cats, ii. 112.
BELON, on high-flying pigeons in Paphlagonia, i. 209;
varieties of the goose, i. 289.
BENGUELA, cattle of, i. 88.
BENNETT, Dr. G., pigs of the Pacific islands, i. 70, 87;
dogs of the Pacific islands, i. 87;
varieties of cultivated plants in Tahiti, ii. 256.
BENNETT, Mr., on the fallow deer, ii. 103.
BENTHAM, G., number and origin of cultivated plants, i. 306;
cereals all cultivated varieties, i. 312;
species of the orange group, i. 334-335;
distinctions of almond and peach, i. 338;
British species of _Rosa_, i. 366;
identity of _Viola lutea_ and _tricolor_, i. 368.
_Berberis vulgaris_, i. 384, ii. 19.
_Berberis Wallichii_, indifference of, to climate, ii. 164.
BERJEAN, on the history of the dog, i. 16, 18.
BERKELEY, G. F., production of hen-cocks in a strain of game-fowls, i.
253.
BERKELEY, M. J., cros