— 4-20 — 



Pages. 



Paludina similis, Desmoulins 183 



— similis, Michaud 186 



— Simoniana, Charpentier 170 



— teiilaculata, Diipuy 182 



— varica, Pagel 225 



— venlricosa, Giay 183 



— viridis, Lamarck. 195 



— vivipara, Moqiiin-Tandon 59 



— vulgaris, Gray 59 



Pahidinelia abbrfcviata, Frauenfeld 217 



— abbreviata, Michaud 217 



— Anianensis, Paladillie 213 



— Armoricana, Paladilhe 205 



— Astieri, Frauenfeld 197 



— brevis, Frauenfeld 206 



— bulinioidea, Frauenfeld 209 



— canaliculala, Paladilhe 218 



— Cebennensis, Frauenfeld 212 



— Companyoi, Bourguignat 204 



— eurystoma, Paladilhe 199 



— eutrepha, Paladilhe 197, 201 



— Ferussina, Frauenfeld 210 



— gibba, Frauenfeld 224 



— marginata, Frauenfeld 233 



— Moulinsi, Frauenfeld 199 



— Perrisi, Frauenfeld 208 



— pupoides, Paladilhe.. . 220 



— Reyniesi, Frauenfeld 216 



— rufescens, Frauenfeld 219 



— saxalilis, Frauenfeld. 207 



— Schmidli, Frauenfeld 203 



— Scrvainiana, Bourguignat 205 



— turgidula, Paladilhe 198 



— lurriculata, Paladilhe 215 



— viridis, Frauenfeld 196 



Pandora inaequivalvis, JelTreys 80 



— inaequivalvis, Macé 80 



