crested, of Australia, figure of, 441
Pigs, power of swimming, 13
Pikermi, Miocene fauna of, 115
Pittidæ, abundant in Borneo, 355
Plagiolophus, European Eocene, 126
Planorbis, European Secondary, 169
Eocene, 169
Platycercidæ, gorgeously-coloured Australian parrots, 394
Platygonus, N. American Post-Pliocene, 130
Plesiarctomys, European Eocene, 126