on the breeding of the Felidae in captivity, ii. 150.
BARTRAM, on the black wolf-dog of Florida, i. 22.
BATES, H. W., refusal of wild animals to breed in captivity, ii. 150,
152;
sterility of American monkeys in captivity, ii. 153;
sterility of tamed guans, ii. 156.
BATRACHIA, regeneration of lost parts in, ii. 15.
BEACH, raised, in Peru, containing heads of maize, i. 320.
BEAK, variability of, in fowls, i. 258;
individual differences of, in pigeons, i. 160;
correlation of, with the feet in pigeons, i. 171-174.
BEALE, Lionel, on the contents of cells, ii. 370;
on the multiplication of infectious atoms, ii. 378;
on the origin of fibres, ii. 382.
BEANS, i. 330;
of Swiss lake-dwellings, i. 319;
varieties of, produced by selection, ii. 218;
French and scarlet, variable resistance of to frost, ii. 309, 314;
superiority of native seed of, ii. 314;
a symmetrical variation of scarlet, ii. 322;
experiments on kidney, i. 330;
with monstrous stipules and abortive leaflets, ii. 343.
BEARD, pigeon, i. 151.
BEARS, breeding in captivity, ii. 151.
BEASLEY, J., reversion in crossed cattle, ii. 41.
BEATON, D., effect of soil upon strawberries, i. 353;
on varieties of pelargonium, i. 364, ii. 274, 311;
bud-variation in _Gladiolus colvillii_, i. 382;
cross between Scotch kail and cabbage, ii. 98;
hybrid gladiolus, ii. 139;
constant occurrence of new forms among seedlings, ii. 235;
on the doubling of the compositae, ii. 316.
BECHUANA cattle, i. 88.
BECK, Mr., constitutional differences in pelargoniums, i. 364.
BECKMANN, on changes in the odours of plants, ii. 274.
BECKSTEIN, on the burrowing of wolves, i. 27;
"Spitz" dog, i. 31;
origin of the Newfoundland dog, i. 42;
crossing of domestic and wild swine, i. 66;
on the Jacobin pigeon, i. 154, 209;
notice of swallow-pigeons, i. 156;
on a fork-tailed pigeon, i. 157;
variations in the colour of the croup in pigeons, i. 184;
on the German dove-cot pigeon, i. 185;
fertility of mongrel pigeons, i. 192;
on hybrid turtle-doves, i. 193;
on crossing the pigeon with _Columba oenas_, _C. palumbus_, _Turtur
risoria_, and _T. vulgaris_, i. 193;
development of spurs in the silk-hen, i. 256;
on Polish fowls, i. 257, 264;
on crested birds, i. 257;
on the Canary-bird, i. 295, ii. 22, 161;
German superstition