SÉANCE DU 18 MARS 1861 . 
m 
Ampullaria spirata, ici. 
— acuminata , id. 
Bijrontia laudunensis , Desh. 
— Deshayesii , Mich. 
Buîla scmistriata , Desh. 
— coronata , Lk. 
— lignaria , id. 
Buccinum arnbiguum , id. 
Cyprina scutelaria, id. tr. rare. 
Cerithium bi seriale, Desh. 
— papale , id. 
— » involutum , Lk. 
— stephanophorum , id. 
— plicatiiluni , Desh. 
— rescctum , id. 
— breviculum , id. 
— gibbosuliun , Melvil. 
— unisulcatum, L. 
— ventricosum, Desh. 
— clavus , Lk. 
Cardium porulasum , Lk. 
Cytherœa obliqua , id. 
— lœvigata, id. 
— ■ suberycinoides , Desh. 
Corbula gallica , Lk. 
Bulla coronata, id. 
Crassatclla trigonata , Desh. 
Cancellaria granijera , id. 
Delpkinula marginula , Lk. 
Dentalium entalis. 
Fusus regularis , Sowerby. 
— longœvus, Lk. 
— bulbijormis , id. 
■ — aciculatas , id. 
— rugosus , id. 
Lucina radians , Melvil. 
— lamellosa , Lk. 
— concava , Desh. 
— saxorum, Lk. 
— divaricata , Lk., très rare. 
Mactra semisulcata , Lk. 
Modiola , 
Murex plicatilis, Desh. 
Neri ta conoidea, Lk. (rare et petite) 
Natica patula, Desh. 
— - de près sa, id. 
Gueula margaritacea , Lk. 
Ovula tuberculose t, Duclos. 
Ostrea rmdlicostata, Desh. 
P kolas Levesquei, Watt. 
Pecten multis tria tus, Desh. 
Pectunculus granulosus, Desh 
Pleurotoma propinqua, id. 
— clavicularis, Lk. 
— pyrulata, id. 
— dentata , id. 
— cancellata , id. 
— terebralis , id. 
— bicatena, id. 
— uniserialis, Desh. 
Rostellaria fissurella y Lk. 
Solarium marginatum , Desh. 
— bi striatum , Lk. 
— plicatum, Desh. 
Triton angustum , Desh. 
Tornatella sulcata, Lk. 
Turbo planorbu/aris, Desh. 
Terebellum fusiforme , Lk. 
Turritella intermeclia, Desh. 
— imbricataria, Lk. et var 
— terebellata, Lk. 
Venericarclia planicosta , Lk. 
— imbricata , id. 
V oluta angusta , Desh. 
— ambigua, Lk. 
— crenulata , id. 
— depressa , id. 
— trisulcata, Desh. 
Et beaucoup d’autres espèces 
Espèces d’eau douce, 
Cyrena Gravesii , Desh. 
Melania marginata, Lk 
— Cuvieri, Desh. 
Melanopsis Defrancii, id. 
— ovularis , id. 
— ancillaroides , id. 
— obtusa , id. 
— Parkinsoni, id. 
— buccinoides , Féruss. 
Neri tin a tricarinata, Lk. 
— pisiformis , Féruss. 
Paludina Desmaresti , G. Prévost. 
M. le marquis de Raincourt demande à M. Melleville s’il 
