increasing fertility of hybrids of, with wheat, ii. [110].
Æsculus flava and rubicunda, i. 392.
Æsculus pavia, tendency of, to become double, ii. [168].
Æthusa cynapium, ii. [337].
Affinity, sexual elective, ii. [180].
Africa, white bull from, i. 91;
feral cattle in, i. 85;
food-plants of savages of, i. 307-309;
South, diversity of breeds of cattle in, i. 80;
West, change in fleece of sheep in, i. 98.