C. cristallinus

diaphanus. . . 367,441,442,444,445,

diastrophus 446

fUiformis 446,451

furcatus 344,445,447

gulosus 446,451

laticeps 367, 446, 452

Limnææ.. 344,440,445,446,447,448

Mulleri 445,449,450

niveus 344,445,449,450

vermicularis. 367,438, 439,445,446, 451

CHÆTOGASTRIDÆ. F. . 342,345,366,437,438,443,453,458

CHE1LOSTOMÆ. S.-F 497

Chelonia sp 525

Chirodota sp 636

Chirodrilus. g 341,346,350,351,352,435