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Limnaea arenularia Bravd 



— lig'nitanim Desh. 



— elata Desh. 



— Bervillei Desh. 



— Michelini Desh. 



— inconspicua Desh. 



— convexa Edw. 



— Ovum Brogn. 



— (Bulimnaea) crassiila Desh. 



— — Duehasteh Desh. 



— — brachystoma Cossm. 

 Planorbis (Menetus) goniobasis 



Sandb. (rotundatus Er.) 



— — pseudoanimoniiis Schi, (pseu- 



dorotundatiis Math., Leyme- 

 riei Desh.) 



— — paciacensis Desh. 



— — rillyensis Bayan (Boissyi 



Desh.) 



— — laevigatus Desh. 



— (Menetus) sparnacenais Desh. 



(campaniensis Desh.) 



— — spiruloides Desh. 



— — pygmaeus Desh. 



— (Helisoma) euoniphahis Sow. 



— — subovatus Desli. 



— — altivolvis Cossm. 



— — catinus Desh. 



— (Anisus) subanguLatus Lam. 



— — nitiduhis Lam. 



— — Baudoni Desh. 



— — cuisensls Cosm. 



— — goniophorus Morlet 



— — hemistoma Sow. 



— — heronvalensis Cossm. 



— — tropis Edw. 



— (Segmentina) inflata Desh. (in- 



versa Desh., lens Desh., pha- 

 nulatus Desh.) 



— — Chertieri Desh. 



— — concavus Desh. 



obtusus SOAV. 



Cai-ychium Michelini Boissy (= 



constrictum Desh.) 



— spai'nacense Desh. 



— berellense de Laub. 



— Michaudi Boissy 



Carychium hypermeces Cossm. 



— (Carychiopsis) dhorni Desh. 



— — alternans Desh. 



— — bigeminatuin Desh. 



— — remiense Boiss\' 

 Auricula (Semiauricula) adversa 



Desh. 



— — volutella Desh. 



— — dutemplei Desh. 



— (Pythiopsis) ovata Lam. 



— — neglecta Desh. 



— — lamarcki Desh. 



— — nobilis Desh. 



— — depressa Desh. 



— — cimex Desh. 



Traliopsis crassidens Mellev. (= 

 dentiens Desh.) 



— (Anelasma) Lemoinei Cossm. 

 Leuconia remiensis Boissy 



— ? pulvis de Laub. 

 Alexia Boissyi Cossm. 

 Mai'inula Marceauxi Desh. 



— Pfeifferi Desh. 



— Lowei Desh. 



— Lapparenti de Raine. 



t Gilbertia inopinata Morlet 

 t Stolidoma crassidens Desh. 



— praelonga Desh. 



— singularis Desh. 



— Tournoueri de Raine. (Morleti 



Cossm.) 



— biplicata Desh. 



Glandina Naudoti Michel, 



— longipontina Bayan 



— Cordieri Desh. 



— Tournoueri Denainv. 



— Deschiensi Bayan 



— Terveri Boissy 



— fragilis Desh. 

 Vitrina rillyensis Boissy 

 Hyalina Pellati Desh. 

 Rhysota occlusa Eichw. 

 Helix Droueti Boissy 



— Heberti Desh. 



— Edwards! Desh. 



t — (Sagdellina) Chevalieri Cossm. 



