— 521 — 



Helix IMiill. emend. contin, 

 Synun. contin, 



Planorltis (pnrs) Peliv. Bolten. Perry. 

 Poinatia Bollcn, Beck. 

 Acavus Montf. et Auctt. 

 Caprinus, Caracolus, Cepolum Montf, 

 Iberus, Polydontes ]Montf. Beck. 

 Zonites Montf. Beck. Gray. Swains, 

 ? Anostoma Fischer q. cf. 

 Pleurofionta Fisclicr. Beck. 

 Anomalia, Cratere Miihlf. 

 Dentellaria, Otala Schum. Beck. 

 Carocolla Schum. Lamck. etc. 

 Vortex Oken. Beck. 

 Helicella Lamck. olim. Ferussac etc. 

 Trochoida Brown. 

 Aplodon, Hemiloma, Mesodon, Mesomphix, Ste- 



notrema, Toxotrema, Triodopsis, Xolotrema 



Rafuiesquc, 

 Polygyra Say. Beck. 

 Helicigona Ferussac. 

 Helicodonta sect. Personatae, Lamellatae, Maxil' 



latae, Impressae Feruss. 

 Helicophanta sect. Vesicales Feruss, 

 Helicogena Feruss. Risso. 

 Helicostyla Feruss. Beck, 

 Helicites Schloth. p. p. 

 Arianta Leach. etc. 

 Chilotrema, Zurama Leach, 

 Tachea Leach. Hartm, 

 Theba Leach. Beck. 

 Stylodon De Crislof. et Jan. Beck, 

 ?Proserpina Guilding. Gray. Jonas. 

 Cantareus, Hygromia, Saraphia Risso. 

 Aegopis, Conulus Fitzinger. Hartm, 



Chilostoma, Discus, Gonyodiscus, Helicopsis, fso- 

 ▼oi. I. 33 * « 



