Gulliver, F. P., cited, [244], [319].
Gullying process, started by deforestation, [156].
Gypsum, [455].
Hade, on faults, [59].
Hague, Arnold, cited, [196].
Halemaumau, Kilauea, [107], [108].
Hamilton, Sir William, cited, [128].
Hanging valleys, [378].
Hardness, of minerals, [451].
Harwood, W. A., cited, [294].