88 



SOCIÉTÉ ROYALE MAUCOLOGIQUE DE BELGIQUE 



C. 'îi et us, Desh. 



— interpositus, Desh. 



— însequistriatus, Desh. 



— bistriatus, Desh. 



— glnbratus, Lamk. 



— labiatus, Desh. 



— elongatus, Desh. 



— infragradatus, Cossm. 



— PbeudÔtoma. 

 P. Lousfcause, Desh. 



— eovonata, Lamk. 



— quieta, Desh. 



— colpophora, Cossm. 



— Borsonia. 



B. (Phlyctis) calvimontensis, Desh. 

 ( 'hevallieri, Cossm. 

 acutata, Desh. 

 Bellardii, Desh. 



— nodularis, Desh. 



— brevieula, Desh. 



— obesula, Desh. 



— minor, Desh. 



— turbinelloidos, Desh. 

 — - eresnensis, de Raine. 



— marginata, Desh. 



— Edwardsi, Desh. 



— incerta, Desh. 



— angusta, Desh. 



— mitrseformis, Desh. 



— Genotià. 

 G. lyra, Desh. 



— pjrgota, Edw. 



— Sehlumbcrgeri, de Raine. 



— Bei.a. 



B. (Buchozia) citharella, Desh. 



— prisca, Desh. 



— crassicostata, Cossm. 



— entomella, Cossm. 



— lamellicostata, Cossm. 



— Bathytoma, Harr. et Burr. 

 Bathytoma [s. s.) turbidà, Sol. 

 B. (Epdlœis) erenulata, Lamk. 



13. 



11. 

 15. 

 16. 

 17. 

 18. 

 19. 

 20. 

 211 



1. 



2. 



3. 



4. 

 218. 



1. 



3. — 



4. — 



5. — 



6. — 



7. — 

 H. — 

 0. — 



10. — 



11. — 



13. 



14. 



15. 

 219 

 1 

 o 



3. 

 220 



1. 

 2. 

 3. 

 4. 

 5. 

 221 



3. B. [Epalccis) ventricosa, Lamk. 

 222. — Trachelochetus ( j ). 



1 T. desmius, Kdw. 

 22.". — ASTHENOTOMA, IlaiT. et BuiT. 



1. A. funk'iilosa. Desh. 



2. — Cossmanni, de Raine. 

 'A. — zonulata, Edw. 



4. — microehila, Edw. 



5. — dissimilis, Edw. 



6. — quadriciiiçta, Cossm. 



224. — Pl.EtROTOM.V. 



1. P. [Sureùla) (*) transversarià, Lamk. 



2. — antiqua, Desh. 



A. — ■ subelegahs, d'Orb. 



4. — exornata, Desh. 



5. — Vaudini. Desh. 

 0. — terebralis, Lamk. 



7. P.(A_p/oto»7.a)Chapuisi, Desh. 



(A rapprocher du n° 19.) 



8. P. (Sur cul a) catenata, Lamk. 



9. — catenula, Desh. 



10. — Plateau! , Cossm. 



11. — dentata. Lamk. 



12. — Michelini, Desh. 



13. — testiliosa, Desh. 



14. — polycesta, Bayan. 



15. — polygona, Desh. 



16. — decipiens, Desh. 



17. — multigyrata, Desh. 



18. — stivptophora, Bayan. 



19. P. (Apiôtcima) pirulata, Desh. 



20. P. (Hemipleurotoma) Laubrierei , 



Cossm. 



21. — Wateleti, Desh. 



22. — metableta, Cossm. 



23. — Prestwichi, Edw. 



24. — infraeoc;enica, Cossm. 



( ! ) Section du genre Clavatula. (Note 

 ajoutée pendant l'impression.) 



('-) Surcula est un genre 224 bis à séparer 

 définitivement de Pleurotoma. (Note ajoutée' 

 pendant l'impression.) 



