Plesiomeryx, European Eocene, 126
Plesiosorex, European Miocene, 118
Pliocene period, Old World, mammalia of, 112
Pliocene and Post-Pliocene faunas, of Europe, general conclusions from, 113
of N. America, 132
of S. America, 146
of Australia, 157
Pliohippus, N. American Tertiary, 135
Pliolophus, European Eocene, 126
Pliopithecus, European Miocene, 117