— 451 — 



Odostomia Erjaveciana, Brusina. ....... 242 



— intermedia, Brusina 237 



— monozona, Brusina 240 



— Nardoiy Brusina 241 



— turbonilloides, Brusina 240 



Omphalotropis (G.) 139 



— bifilaris, Mousson 353 



— hilirata, IMousson 344 



— Pfeifferi, Crosse 396 



Ophicardelus irregularis, Mousson G4 



— minor, Mousson 65 



Orthalicus leucochilus. Crosse et Fischer 423 



— Pfeifferi, Hidalgo 412 



OsTODES adjîinctus, Mousson 351 



OsTREA Paulucciœ, Crosse 188 



Paludina angularis, Millier 403 



— Bengalensis, Lamarck 199 



— Cochinchinensis, Morelet 194 



— Eyriesii, Morelet 197 



— Frauenfeldi, Morelet 192 



— polyzonata, Frauenfeld 408 



— quadrata, Benson 407 



— Sumatrensis, Dunker 199 



— trochoides, Martens 195 



— tiirbinata, Morelet 408 



P ARTVLx abbreviattti Mousson 339 



— canalis, Mousson 337 



Partulixa compta, Pease 175 



Patula biretracta, Mousson 57 



Pecten maximus, Linné 121 



Petenia (G.) 35 



Physa Artensis, Gassies 76 



Plecotrema Binneyi, Crosse 395 



Pleurotoma dentatum, Souverbie 418 



— Mariei, Crosse 178 



