India. 
20. CYRENA BENGALENSIS, Lamarck. 
Delessert Recueil. 
Bengal. (Ex Cuming Collection.) 
21. CYRENA CEYLONICA, Lamarck. 
Martini & Chemnitz pl. XXXII, fig. 36. 
Ceylon. (Ex Cuming Collection.) 
22... CYRENA SIAMICA, Prime. 
Ann NOV Eyceum VII: 
Siam. 
23. CYRENA BERNARDIANA, Prime. 
Ann. N. Y, Lyceum VIII. 
New Caledonia. 
a. Cyrena proxima, Prime. Siam. 
