Forests, essential to existence of many European animals, 192
Siberian, greatest extent of, 216
G.
Galapagos, scarcity of insects in, 463
Galecynus, in European Pliocene, 112
Galera, N. American Post-Pliocene, 130
Galeospalax, European Miocene, 118
Galeotherium, Post-Pliocene, 111
Galethylax, European Eocene, 125
Galictis, in Brazilian caves, 144