240 



J. Chédeville. ■ — Guide géologique au Fayel (Oise). 



mitreola, Desh. 

 crenatulatum, Desh. 

 angustum, Desh. 

 simula, Desh. 

 creniferum, Desh. 

 Jussieui, Mayer. 

 — decussatum, Def. 

 Chevallieri, Cossm. 

 Hœrnesi, Desh. 

 incommodum, Desh. 

 Vertagus Klein. 

 = Cerithium Adanson. 

 *unisulcatus, Lamk. 

 melanoides, Lamk. 

 Diastoma Desh. 

 costellatum, Lamk. 

 *interruptum, Desh. 

 Sandbergeria Bosquet. 

 z=. Cerithium Adanson. 



communis, Desh. 

 Bittium Leack. 

 =± Cerithium Adanson. 



cancellatum, Lamk. 

 Newtoniella Cossm. 

 z= Cerithium Adanson. 

 clavus, Lamk. 

 Archimedis, Desh. 

 trifaria, Cossm. 

 trilirata, Desh. 

 quadrisulcata, Lamk. 

 suturofunata, Cossm. 

 Cerithiopsis Forbe et Avell. 

 = Cerithium Adanson. 

 alveolata, Desh. 

 trimarginata, Cossm. 

 dispar, Desh. 

 Triforis Desh. 

 plicatus, Desh. 

 bitubulatus, Baudon. 

 inversus, Lamk. 

 biplicatus, Rouault. 

 breviculus, Cossm. 

 Colina N. et A. Adams. 

 ■z=z Cerithium Adanson. 

 tenuis, Desh. 

 fayellensis, Desh. 

 Trypanaxis Cossm. 

 = Cerithium Adanson. 

 perforata, Lamk. 

 = Beyrichi, Desh. 

 ■=z duice, Desh. 

 imperforata, Desh. 

 hypermeees, Cossm. 

 Potamides Brong. 

 — Cerithium Adanson. 

 përditus, Bayan. 

 = deperditum, Desh. 

 *confluens, Lamk. 

 ■=. subscahrum, d'Orb. 

 Margaritae, Cossm. 

 mixtus, Def. 

 r=r trivittatum, Desh. 

 cinctus, Brug. 

 conarius, Bayan. 

 d=z troçhiforme, Desh. 

 I [ericarti, Desh. 

 *Roissyi, Desh. 



Bonnardi, Desh. 

 turritellatus, Lamk. 

 — collatérale, Desh. 

 scalaroides, Desh. 

 Boutillieri, Cossm. 

 Batillaria Benson. 



— Cerithium Adanson. 

 Bouei, Desh. 

 *ôlandestina, Desh. 

 bicarinala, Lan s. 

 *So\verbyi, Desh. 



Strombus Linné. 



*Boutillieri, Bez. 



= Rostellaria gracilidigitata 

 Rimella Ag. 

 =; Rostellaria Lamk. 



labrosa, Sov. 



plana. Beyr. 

 Gladius Klein. 



— Rostellaria Lamk. 

 athleta, d'Orb. 



Terebellum Klein. 



fasiforme, Lamk. 



*sopitum, Soland. 

 Cyprœa Linné. 



* média, Desh. 



inflata, Lamk. 



sulcosa, Lamk. • 



pedicularis, Desh. 



Bouryi, Cossm. 

 Erato Risso. 



crenata, Desh. 



Bernayi, Cossm. 

 Pirula Lamk. 



Ficula Swainson. 



pannus, Desh. 

 Cassis Klein. 



*calantica, Desh. 

 Morio Montfort. 

 ■=. Cassidaria Lamk. 



retasa, Desh. 



singularis, Desh. 



coronata, Desh. 

 Lampusia Schum. 

 z= Triton Montfort. 



cuneata, Cossm. 



volutella, Lamk. 



seabriuscula, Desh. 



reticulosa, Desh. 

 Murex Linné. 



jnicropterus, Desh. 



bispinosus, Sov. 



= Caillati, Desh. 



denudatus, Desh. 



asper, Solander. 



*distans, Desh. 



subvidis, d'Orb. 



spinulosus, Desh. 



calcitrnpoides, Lamk. 

 Jania Bell. 

 = Murex Linné. 



auversiensis, Desh. 



defossa, Pil Je. 



= Fusus sublam ellosu s Desh . 

 Vitularia Swainson. 

 = Murex Linné. 



crassicostata, Desh. 



Sistrum Montfort. 



— Purpura Brug. 

 ringens, Desh. 



Buccinanops d'Orb. 

 ~ Buccinum Lamk. 



patulum, Desh. 

 Cominella Gi ay. 

 = Buccinum Lamk. 



déserta, Sol. 



— fusiopsis Desh. 

 Tritonidea Swainson. 

 = Buccinum Lamk. 



*sub Andrei, d'Orb. 



= Andrei, Bast. 



polygona Lamk. 

 Sipho Klein. 



columbelloïdes, Cossm, 

 Siphonalia A. Adams. 

 = Fusus Lamk. 



scalaroides, Lamk. 



asperula, Lamk. 

 Pisanella Von Kœnen. 

 z= Turbinella Lamk. 



pulcherrina, Desh. 

 Strepsidura Swainson. 



— Fusus Lamk. 

 turgida, Sol. 



— ficulneus, Desh. 

 Melongena Schum. 

 = Fusus Lamk. 



minax, Sol. 

 Sycum Bayle. 



— Pyrula Lamk. 

 bulbus, Sol. 

 *pirus, Sol. 



— subcarinata, Lamk. 

 Sycum Bayle. 



— Fusus Lamk. 

 bulbiforme, Lamk. 

 globatum, Desh. 



Ptychatractus Stemp. 



— Fusus Lamk. 

 cylindraceus, Desh. 

 hemigymnus, Cossm. 



Latirus Montfort. 

 = Turbinella Lamk. 



parisiensis, Desh. 



Boutillieri, Cossm. 

 Clavilithes Swainson. 

 =: Fusus Lamk. 



longaevus, Sol. 



=r scalaris, Desh. 



deformis, Sol 



— longaBvus, Lamk. 

 Buccinofusus Conrad. 



Bezançoni, Cossm. 

 Fusus Klein. 



dissimilis, Desli. 

 Mitra Lamk. 



Deluci, Desf. 



mixta, Lamk. 



*Lajoyei, Desh. 



fusellina, Lamk. 



Barbieri, Desh. 



cancellina, Lamk. 

 Voluta Linné. 



(îoldfussi, Desh. 



