C. lacazei, syngamy of, [101];

C. schubergi, [99] f., [101]

Coccolithophora, [110]

Coccolithophoridae, in Chalk, [70];

wall of, [114]

Coccoliths, [83], [110], [114], [242]

Coccoseridae, [346]

Coccospheres, [83], [114]

Cockroach, Lophomonas parasitic in gut of, [123]

Codaster, [599]