Gerephemera simplex, [428]

Gerstaecker, on Neuroptera, [343];

on mouth of Odonata, [411]

Giebel on Mallophaga, [347]

Gigantic Insects, [276], [306], [428]

Gilbert White, on mole-cricket, [333];

on field-cricket, [339]

Gills, [132], [400], [421], [432] f., [478];

jointed, [445], [446], [467];

filamentous, [476];