Horses, fossil, in Indian Miocene, 121
perfect series of ancestral, in N. America, 136
probable birthplace of, 154
Hutton, Capt. F. W., on origin of New Zealand fauna, 461
Huxley, Professor, on zoological regions, 59
division of animal kingdom by, 85
Hyæna, Post-Pliocene, 112
Miocene of Greece, 115
European Miocene, 118
Indian Miocene, 121