MEMOIRES 



73 



:;. 



4. 



5. 



C. 



7. 



8. 



9. 



10. 



11. 



12. 



«9. 



1. 



2 

 00. 



1. 



2. 



3. 

 01. 



1. 



2. 



3. 

 02. 



1. 



2. 



3. 



4. 



5. 



6, 



7. 



8 



9 

 05. 



1 



2 



94. 



1 

 93. 



1 



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3 

 4 



Bithinella (s. y.) expulsa, Desh. 



— pupina, Desh. 



— atomus, Brongn. 



— cirsophora, Cossm. 



— intermedia, Mcllev. 



— alta, Desh. 



— sphseroidalis, Cossm. 

 B. [Lartetia) cochlearella, Desh. 



— plicistria, Cossm. 



B. [Dicretostoma) dissita, Desh. 



— Lapparentia. 



L. irregularis, Desh. 



— Fischeri, Berthelin. 



— Stalioia, Brus. 



S. Dcsmaresti, Prévost. 



— Deschiensi, Desh. 



— limbata, Desh. 



BlTHINIA. 



B. Douvillei, Bayan. 



— Nysti, de Boissy. 



— oxyspira, Cossm. 



— Stenothyra. 

 S. pulvis, Desh. 



— miliola. Mellev. 



— chorista, Cossm. 



— globulus, Desh. 



— mediana, Desh. 



, — microscopica, Cossm. 

 . — euneata, Cossm. 

 . — cylindracea, Desh. 

 . — abnormis, Desh. 



— Nystia. 



. N. microstoma, Desh. 

 . — polita. Edw. 



— Acropheyctis. 



. A. Eugenei, Desh. 



— Rissoia. 



. Rissoia {s. s.) nana, Lamk. 



— misera, Desh. 

 . R. (Alvania) Barreti, Morlot. 



— turbinopsis, Desh. 



. R. (Galcodina) zosta, Bayan. 



0. 

 00. 



1. 



2. 

 07. — 



1. 



2. 



3. 



on. 



1. 



2 

 00. 



2. 

 3. 

 4. 

 5. 

 6. 

 7. 

 8. 

 100 

 1. 

 2. 

 3. 

 4. 

 5. 

 0. 

 7. 

 8. 

 9. 

 10. 



11. 



12. 



13. 



14. 



15. 



10. 



101 



1. 



o 



R. [Fleminffia eurydictium, Cossm. 



— Ceratia. 

 C minutissima, Cossm. 



— diaphanes, Cossm. 

 Diai.opsis. 



I). semistriata, Desh. 



— incomploia, Desh. 



— perarata, Cossm. 



— Cossmannia, Newton. 

 C. decipiens, Desh. 



— expansa, Desh. 



— PSEUDOTAPHRIS. 



Pseudotaphrus {s. s.) buccinalis, 

 Lamk. 



— transversarius,Desh. 



— cinctus, Desh. 



— Morleti, de Raine. 



— angustus, Cossm. 



P. (Microtaphrus) proavius. Cossm. 

 P. [Pezantia) daotyliosa, Desh. 



— eurydictium, Cossm. 



— Rissoina. 



Rissoina (*. s.) clavula, Desh. 



— Raineourti, Cossm. 



— Houdasi, Cossm. 



R. [ZebineUco cochlearella, Lamk. 



— discreta, Desh. 



— plicatilis, Desh. 



— puncticulata, Desh. 



— polita, Desh. 



— lcevigatissima, Desh. 



— semistriata, Lamk. 

 (Voir ci-après n os 15 et 16.) 



R. [Zebind] Schwartzi. Desh. 



— fallax, Desh. 



• — pygmsea, Cossm. 



— paludin;eformis, Desh. 

 R (Zebinella)sea\a.ta., Cossm. 



— convexiuscula, Cossm. 

 . — Chevallieria. 



C labrosa. Cossm. 



— ambigua, Cossm. 



