— 400 — 



Pages 



Opeas clavLiliDus, Potier et Michaud 315 



— pyrgula, H. Aclams 315 



OsTREA angulata, Laniarck 370 



— edulis, Linné 376 



Ovula carnea, Poiret 77, 228, 228 



OXYSTYLA {S. G.) 210 



PachychiLus (G.) 300 



Paludina Laosiensis, L. Morlet 84, 324 



Papuina (S.) 218 



Patellid^ (F.) 216 



Pecten (G.) 96, 104 



Perforatella (S. (i.) • . . . 209 



Perideris Lecliatelieri, Dautzenberg . . . . 297 



Phrixgnathus (G.) 254 



PiTYS (G.) 245 



— cryptobidens, Su ter 245 



— Jessica, Hutton 246 



— varicosa, Pfeifïer. • 246, 248 



Placostylus (g.) 102 



— duplex, Gassies 103 



— Dupuyi,Kobelt 103 



— Goulvainensis, Kobelt 103 



— Kuoblauchi, Kobelt 102 



— Layardi, Kobelt 103 



— Monackensis, Crosse. . . . . . 103 



— Poyensis, Kobelt 103 



— RhiDOcheti Kobelt 103 



— Smithi, Kobelt 103 



Planella (S. g.) 210 



Planorbis spirorbis, Mûller 223 



Pleurotoma (G.) 95 



Plicostoma(5. G.)- 209 



Proserpinid.e (F.) 301 



