6l20 



A. DUMAS 



Sept. 



Littorina goniata Cossm. 

 Discohelix Dixoni Vass. 

 Solarium Dufouri Vass. 



— Lebescontei Vass. 

 Rissoina clavula Desh. 



— plicatilis Desh. 

 Pseudotaphrus Bourdoti Cossm. 

 Nystia polit a Edw, 

 Dissostoma mumia Lamk. 

 Hipponyx dilatatus Lamk . 



cornucopise Defk. 

 Calj'ptrœa apcrta Soland. 



— lamellosa Desh. 

 Xenophora rhytida Cossm. 

 Ampullina gro^sa Desh. 



— parisiensis d'Orb. 



— Vasseuri Cossm. 

 Cepatia cepacea Lamk. 

 Natica microglossa Desh. 



— epiglottinoides Desh. 



— labellata Lamk. 



— arenularia Vass. 

 Adeorbis semistriatus Desh. 



— similis Desh. 



— namneleusis Vass. 

 Scala Morgani Vass. 

 Crassiscala millepunctata de Bouit . 

 Acrilla Dubuissoni Vass. 

 Arcisa britanna de Bour. 

 Eulima rectilabrum Cossm. 

 Syrnola Falloti Vass. 

 Odontostomia Oppenheimi Cossm. 



Dumasi Cossm. 

 Nerim tricarinata Lamk. 



— namnetensis Vass. 



— Bqylei Vass. 



— Bourdoti Cossm. 

 Neritina lineolata Desh. 



— Malescoti Vass. 

 Phasianella princeps Vass. 



— Morgani Vass. 



— parisiensis d'Orb. 

 Turbo Munieri Vass. 

 Leptothyra occiden/alis Cossm. 

 Collonia marginata Lamk. 



— acutispira Cossm. 

 Gibbula sulcata Lamk. 



Gibbulla fraterculus Desh. 

 Solariella elevuta Cossm. 



— subcraticulata Cossm. 

 Eumargarita Bourdoti Cossm . 

 Troc.hus britannus Vass. 



— Athenasi Vass. 



— Bareti Vass. 

 Calliostoma Bezançoni Vass. 

 Liotia Warm" Desh. 



— Malescoti Vass. 

 Delphinula calcar Lamk. 

 Velainiella columnaris Vass. 

 Subemarginula radiola Lamk. 



Defrancei Cossm. 

 — paucicoslataCossM. 



Fissurella labiata Desh. 

 Acmxa conica Desh. 

 Patella Bourdoti Cossm. 

 Dentalium substriatum Desh. 



— fissura Lamk. 

 Siphonodentalium armoricense 



Cossm. 

 Ostrea subelongata Du.ï. 

 Plicatula elegaus Desh. 

 Chlaniys injumatus Lamk. 

 Lima spatuJata Lamk. 



— Bureaui Cossm 

 Avicula fragilis Desh. 

 Crenella cucullata Desh. 

 Mytilus armoricensis Vass. 

 Arca parallelogramma Dur. 



— pnerudis Desh. 



— spatulata Desh. 



— Marceauxi Desh. 



— angusta Lamk. 



— rnixta Duf. 

 Axinœa gouetensis Cossm. 

 Limopsis homala Duf. 

 Trinacria dcltoidea Lamk. 



— média Desh. 

 Xucula securicula Duf. 

 Leda striata Lamk. 

 Venericardia serrulata Desh. 



— ornata Desh. 



— onerata Desh. 

 Oppenheimi Cossm. 



— calcitrapoideshAMK. 



