Caves, sea, [234].

Cellular structure, of lava domes, [112].

Centers of dispersion, of North American Pleistocene glaciers, [298].

Centrosphere, [8].

Cerussite, [455].

Chaix, A., cited, [195].

Chaix, E., cited, [195].

Chalcopyrite, [453].

Challenger expedition, [38], [96], [97], [293].

Chamberlin, T. C., cited, [29], [156], [191], [196], [205], [221], [222], [293], [295], [318], [319], [337], [339].