Gibraltar, cave fauna of, 114
Glacial epoch, as affecting the distribution of animals, 40
as a cause of the great change in the fauna of the temperate zones, since Pliocene times, 151
probably simultaneous in both hemispheres, 151
causing a general subsidence of the ocean, 152
Glandina, Eocene, 169
Glossotherium, in Brazilian caves, 145
S. American Pliocene, 147
Glyptodon, S. American Pliocene, 147
Gnathopsis, S. American Pliocene, 147