Gerrhosauridae, [514], [559]

Gerrhosaurus flavigularis, [559]

Gharial, [452];

see also Gavialis

Gigantic Tortoises, [372] f.

Gila Monster, [541]

Gills, definition, [40];

development of, [41], [43];

retention of, [40];

external and internal, [43] f.;