Cyphonautes, [509], [510], [512], [520]

Cyprina, Malacobdella found on, [119]

Cyrtonia, [224]

Cyst, of Land-Planarians, [33];

of Myzostoma, [342], [343], [344];

(capsules), of Aeolosoma, [370], [375]

Cystibranchus, [395], [406]

Cysticercoid-larva, [83], [85], [88]

Cysticercus-larva, [79], [80];

list of, [83];