Corynactis, [372], [383];

C. viridis, [383]

Coryne, [272]

Corynidae, [272]

Cosmiolithus, [346]

Costae, [385], [387];

of Ctenophora, [413], [416] n.

Costia, [111];

C. necatrix, produces epidemics in fresh-water fish, [119]

Cothurnia, [138], [158]