MEMOIRES 



«9 



4. S. {Crispusçaila} junctilamella, de 



Boury. 



5. — Dadanti, de Boury. 



6. — Godini, de Boury. 



7. — acuminiensis, de Boury. 



8. — Barrandci, Desh. 



9. — aizyensis, Desh. 



lu. — Johannae, de Boury. 



11. — chaussyensis, 'de Boury. 



12. — acutilamella, de Boury. 



13. — condensata, de Boury. 



14. S. (Cireuloscàla) Rogeri, de Boury. 



15. — brevicula, Desh. 

 10. S. (Parviseàla) Baudoni, de Boury. 



17. — Loustause, de Boury. 



18. S. (Cirsotrema) elegantissima, Desh. 



19. — coronalis, Desh. 



20. — Morleti, de Boury. 



21. — Bourdoti, de Boury. 



22. — eontabulata, Desh. 



23. — ruellensis, de Boury. 



(Voir aussi 52-47. 



24. S. (Bifidosçalà) Lemoinei, de Boury. 



25. S. (Coniscata) Bowerbanki, Mon*. 

 20. S. (Acrilla) gallica, de Boury. 



27. — essomionsis, de Boury. 



28. — Lamberti, Desh. 



29. — affiuis, Desh. 



30. — grignonensis, de Boury. 



31. — semieostata, Sow. 



32. — Doslonchampsi, de R. er M.C. 



33. — fayellensis, de Boury. 

 .34. — decussata, Larnk. 



35. — angusta, Desh. 



30. — euisensis, de Boury. 



37. S. (Pliciscala) Gouldi, Desh. 



38. — Lamarcki, Desh. 



39. — Lcvesquei, de Boury. 



40. S. (De>7^ - sca?fl)marginostoina, Baud. 



41. S. (Crassiscala) Franciscï, Caillât. 



42. — variculosa, Desh. 



43. — plicata, Lamk. 



41 

 45 

 46 



47 



1 



3 

 4 

 5 

 

 7 

 oo. 

 1 



8. 

 9, 

 10, 

 o7. 

 1, 

 2 



i*>8. 



1 



2, 

 3 

 4 

 89. 

 1 

 o 



3 



S. (Crassiscala) Chevallieri, i'nssiu. 



— semula, Desh. 



— acanthodes, Cossm. 



S. [Cirsotrema) Stueri, rossin-, 



— Canai.iscai.a. 



('. hetero rpha, Desh. 



— Tkm I8CAI.A. 



Tenuiscala(«.*.)Laubrierei,de Boury. 



— Miehelini, Desh. 



— Ramondi, de Boury. 



— amabilis, de Boury. 

 S. \CerUhiscàlci\ primula, Desh. 



— Munieri, de Raine. 



— Cloezi, de Boury. 



— Foratiscai.a. 



F. cerithtformis, Wat. 



— sculptata, D(>sh. 



— mesaliopsis, Cossm. 



— Newtoui, de Boury. 



— ACIRSA. 



Acirsa [s. s.) auversiensis, Desh. 



— Bezauçoni, de Boury. 



— funiculosa, Cossm. 



— subplicata, Desh. 



— primseva, de Boury. 

 A. [Acirsella ■> inermis, Desh. 



— transversaria. Desh. 



— striatula, Desh. 



— erasa, Desh. 



— sùturalis, Cossm. 



— LlTTORINISCALA. 



L. Lapparenti, de Boury. 



— asperrima, Cossm. 



— Aclis. 



, A. (Gràphis) eocaenica, de Boury. 



— miuutissima, Desh. 



— Eugenei, Desh. 



— Bouryi, Cossm. 



— Adeorbis. 



, A. Fischeri, Desh. 

 . — lucidus, Cossm. 

 . — politus, Edw. 



