ii. 232
_Geronticus_, ii. 360
_Gerrhonotus_, ii. 392
_Gerrhosaurus_, ii. 392
GERRIDÆ, ii. 438
_Gervasia_, ii. 260
_Gerygone_, ii. 258
Giant-Clams, ii. 534
Gibbon, ii. 171
Gibraltar, cave fauna of, i. 114
Giraffes, ii. 221
_Girardinus_, ii. 450
Glacial epoch, as affecting the distribution of animals, i. 40 as a cause of the great change in the fauna of the temperate zones, since Pliocene times, i. 151 probably simultaneous in both hemispheres, i. 151 causing a general subsidence of the ocean, i. 152
_Glandina_, Eocene, i. 169