MÉMOIRES 



25. P. Hemipleurotoma)Mellevi\leA,Coss. 



26. — cancellata, Desh. 



27. — uniserialis, Desh. 

 38. — plebeia, Sow. 



29. — Nilssoni, Desh. 



30. P. [EopImi'otomajraaltica&tataL, Desh. 



31. — Lajonkairei, Desh. 



32. — expedita. Desh. 



33. — distans, Desh. 



34. — striatularis, Desh. 



35. — spreta, Desh. 



36. — oligocolpa, Cossm. 



37. — eurvicosta, Lamk. 



38. — bicatena, Lamk. 



39. — rudiuscula, Desh. 



40. — undata, Lamk. 



41. — fluctuosa, Desh. 



42. — pliearia, Desh. 



43. — propinqua, Desh. 



44. — Larteti, Desh. 



45. — tenuistriata, Desh. 

 40. P. (Otnjacrum) obliterata, Desh. 



47. — indexa, Lamk. 



48. — constricta, Edw. 



49. — lepta, Edw. 



50. — contabulata, Desh. 

 2 2 6. — Drilua. 



1. Drillia (s. s.) Bouryi, Cossm. 



2. — brevieauda, Desh. 



3. — ossomiensis, de Laub. 



4. — nodulosa, Lamk. 



5. — obliquata, Desh. 



6. — granifera, Desh. 



7. — decussata, Lamk. 

 8; — brcvicula, Desh. 



9. — calvimontensis, Cossm. 



10. — fureata, Lamk. 



11. — rarieostulata, Desh. 



12. D. (C?Ym/sj9*Vr<)angulosa, Desh. 



13. — pantrachia, Cossm. 



14. — turrella, Lamk. 



15. — filifera, Mellev. 



16. D. [Crassispird) granulata, Lamk. 



17. — subgranuloâa, d'Orb. 



18. — margaritula, Desh. 



19. — mesomorpha, Cossm. 



20. — Mausscneti, Cossm. 



21. — oxyacrum, Cossm. 



22. — hypermeees, Cossm. 



23. — sulcata, Lamk. 



24. — Danjouxi, Baudon. 



25. — eostaria, Desh. 



26. — simplex, Desh. 



27. — ecaudata, Desh. 

 228. — Raphitom.v. 



1. Raphitoma [s. s.) plicata, Lamk. 



2. — costellata, Lamk. 



3. — paehycolpa, Cossm. 



4. — quantula, Desh. 



5. — subattenuata, d'Orb. 



6. — striolaris, Desh. 



7. — dameriacensis, Desh. 



8. — Baudoni, Desh. 



9. — eitharella, Desh. 



10. — Capellinii, Desh. 



11. — Boutillieri, Cossm. 



12. — perplexa, Desh. 



13. — leptoeolpa, Cossm. 



14. — dietyella, Cossm. 



15. — eolumnella, Desh. 



16. — Plateaui, Cossm. 



17. R. [Systenope) polyeolpa, Cossm. 



18. - — guepellensis, Cossm. 



19. — goniocolpa, Cossm. 



20. — linophora, Cossm. 



227. — Amblyacrum. 



1. A. rugosum, Desh. 



2. — Bernayi, Cossm. 



3. — crenuligerum, Cossm. 



4. — Chevallieri, Cossm. 



228. — Thesbia. 



1. T. mierotoma, Cossm. 

 228 bi8 . — Zakra. 



1. Z. decussata. Cossm. 



