— 12 — 
*Stenogyra elavulina Pot. et Mich. 
Ennea anodon Pfr. 
— bicolor Hutton. 
— modesta Pfr. 
Gibbus Lyonetianus Pallas. 
— teres Pfr. 
— Grateloupianus Pfr. 
?— obtusus Pfr. 
— pagoda Fer. 
— sulcatus Müll. 
— Mülleri Morelet. 
— Newtoni Ad. 
— helodes Morelet. 
— palanga Fer. 
— Nevilli H. Ad. 
— Dupontianus Nev. 
— Adamsianus Ney. 
— modiolus Fer. 
— mauritianus Nev. 
— Mondraini H. Ad. 
— Barclayi H. Ad. 
— clavulus H. Ad. 
— versipolis Fer. 
— striaticosta Morel. 
— palangula Morel. 
— productus Desh. 
— brevis Morel. 
— calliferus Morel. 
— holostoma Morel. 
— modiolinus Morel. 
— Caldwelli Morel. 
— baecillus Pfr. 
Pupilla exigua H. Ad. 
— Lienardiana Crosse. 
Vertigo ventricosa H. Ad. 
Simpulopsis angularis Fer. 
*Succinea Nevilli Crosse. 
Spiraxis Barclayi Pfr. 
Limnaea mauritiana Morel. 
Planorbis mauritianus Morel. 
Physa cernica Morel. 
Auricula elongata Küster. 
— labrella Desh. 
— mustelina Desh. 
Melampus lividus Desh. 
— corticinus Morel. 
Cassidula parva H. Ad. 
Plecotrema exigua H. Ad. 
Otopoma haemastomum Ant. 
— Listeri Gray. 
Oyelotus conoideus Pfr. Seychellen. 
Cyelostomus Barclayanus Pfr. 
— Eugeniae Rvye. 
— undulatus Sow. 
— mauritianus H. Ad. 
— scaber H. Ad. 
Omphalotropis globosus Bens. 
— harpula Bens. 
— multiliratus Pfr. 
*— rubens Quoy. 
*— expansilabris Pfr. 
*— pieturatus H. Ad. 
*— costellatus H. Ad. 
Paludina zonata Hanley. 
Paludomus punctatus Rve. 
Melania amarula Lam. 
— Mauriciae Lesson. 
— mitra Meusch. 
— tuberculata Müll. 
Nawicella porcellana L. 
Neritina auriculata Lam. 
— longispina Reel. 
— Mauriciae Lesson. 
— strigillata Lam. 
— zigzag Lam. 
