PLANCHE VI 



1-5. EXELISSA STHAMGllLATA [d'ArChiSC]. 



6-6fc(s. Endiat^enia Terquemi, Cossmann. 



7. ChïPTAULAX UNDULATtM [Qucllsl.]. , 



8. Cryptaulax [Cryploplyxh] AVhrioti [Etallon]. 

 9-11. Nerikeopsis Davodstiana [Cotteau], 



12-14. Paracerithium ACANTiiocOLPUM, Cossm. 



lo-17. Rhtnchocerithilm siiRNASsoiDES [d'Orb.]. 



18-21, Rhïnchocerithium flsiforme [Héb. et Des!.] 



22-24. Bathraspira neocomiensis [d'Orb.]. 



2o-27. Bathraspira tecta [d'Orb.]. 



28. Metacertïhium ornatissimum [d'Orb.]. 



29-31. Metacerithilm trimonile [-Mich.]. 



32-3B. .\tkesius Lallieriani:s [d'Orb.] 



37-40. UCHAIXIA PEREGKiaORSA [d'Orb.]. 



41 42 GïMMOCERITHILM ICAL'NENSE [Cossm.]. 



Or. .3/1 



liiilli. 



r.r. 4/1 



Hiii. 



Or. in 



Call. 



Gr. 3/2 



K i ni . 



Or. 2/1 



Al' oc. 



Or 4/1 



IIill. 



Or. 2/1 



Néoc. 



i(l. 



Oall, 



Oraiid. iiiilnr. 



Nooc. 



id. 



Alb. 



id. 



Mb. 



Gr. 3/2 



Alb. 



i<l. 



Alb. 



Oraiiii. iiatiir. 



Tiir. 



id. 



Néoc. 



