burrowing instinct of a half-bred Dingo, i. 28;
inheritance of qualities in horses, i. 51;
comparative powers of English race-horses, Arabs, &c., i. 54;
British breeds of cattle, i. 80;
wild cattle of Chartley, i. 84;
effect of abundance of food on the size of cattle, i. 91;
effects of climate on the skin of cattle, i. 92, ii. [326];
on interbreeding, ii. [116];
selection in Hereford cattle, ii. [214];
formation of new breeds, ii. [244];