Peratherium, European Miocene, 121
European Eocene, 126
Perchœrus, N. American Tertiary, 137
Perim Island, extinct mammalia of, 122
probable southern limit of old Palæarctic land, 362
Perissodactyla, N. American Tertiary, 135
Persia, birds of, 204
Phascolomys, Australian Post-Tertiary, 157
Phasianus, Miocene of Greece, 116
European Post-Pliocene, 161