<S«S BULL. SOC. SC. NAÏ. OUEST 11',. — 1 IC SÉR. 1891-1900 



Bayania gouelensis Cossm. 1899, p. 320. 



var. Dumasi Cossm. 1899, p. 321. 

 inaequilirata Cossm. 1899, p. 321. 

 Bayanoteuthis (?) armoricencis Cossm. 1896, p. 179. 

 Bittium coislinense Cossm. 1897, p. 358. 

 — evanescens Cossm. 1897, p. 357. 

 Borsonia britana Cossm. 1896, p. 192. 

 Brachylrema Dumasi Cossm. 1898, p. 39. 

 Buchozia arthonensis Cossm. 1890, p. 188. 



— Bourdoti Cossm. 1890, p. 187. 

 Bulimus Dumasi Cossm. 1895, p. 172. 

 Bullinella brachymorpha Cossm. 1895, p. 190. 



— Rideli Cossm. 1895, p. 191. 

 Calyptraea (?) phoroides Cossm. 1899, p. 354. 

 Cancellaria bifurcoplicata Cossm. 1890, p. 213. 



— Dautzenbergi Cossm. 1890, p. 210. 



eutaeniatà Cossm. 1890, p. 212. 

 Capuliis (?) Bourdoti Cossm. 1899, p. 356. 

 Ceriata Dumasi Cossm. 1899, p. 338. 

 Cerithioderma simplex Cossm. 1898, p. 40. 

 Cèrithiopsis trachycosmeta Cossm. 1898, p. 27. 

 Cerithium adelomorphum Cossm. 1897, p. 351. 



Bareaui Cossm. 1897, p. 354. 



Dumasi Cossm. 1897, p. 'Aù'A. 

 Chevalleria Pissarroi Cossm. 1899, p. 337. 



Chlamys (Pallium) Apollo G. Dollfus et Dautzenberg. 1890, p. 1, 

 Clavilithes diptychophorus Cossm. 1897, p. 299. 



}>upoides Cossm. 1897, p. 298. 

 Colina Bourdoti Cossm. 1898, p. 21. 

 — pulchella Cossm. 1898, p. 22. 

 Columbella hordeola Cossm. 1897, p. 321. 

 Cordieria Dumasi Cossm. 1890, p. 193. 

 Crenilabium suturatum Cossm. 1895, p. 187. 

 Crepidula rc/Uwilamclla Cossm. 1899, p. 355. 



