resulting from propagation by buds, cuttings, bulbs, &c., ii. [169];
in hybrids, ii. [178]-[180], [386], [410]-[411];
in specific hybrids of pigeons, i. 193;
as connected with natural selection, ii. [185]-[189].
Sternum, characters of the, in rabbits, i. 123;
in pigeons, i. 167, 174-175;
in fowls, i. 268, 273;
effects of disuse on the, i. 174-175, 273.
Stephens, J. F., on the habits of the Bombycidæ, i. 303.
Stewart, H., on hereditary disease, ii. [79].