—— ——, on correlation, [144].
—— ——, on variable parts being often monstrous, [155].
Geographical distribution, [346].
Geography, ancient, [487].
Geology, future progress of, [487].
——, imperfection of the record, [279].
Giraffe, tail of, [195].
Glacial period, [365].
Gmelin on distribution, [365].
Gnathodon, fossil, [368].