Lulraria angusta Desh" 

 Ërvillia pusilla Phil. 

 Mactr'a Basteroti Mayer. 

 Tellina Aquitanica Mayer. 

 Donax transversa Desh. 



— affinis Desh. 

 Petricola peregrina Bast. 

 Venus ovata Pennant. 

 Cytherea undata Bast. 



— Deshayesiana Bast. 

 Cyrena Brongniarti Bast. 

 Dreissena Brardii d'Orb.. 

 Cardiun Burdigaliniim Mayer. 



— sp. ? 

 Chama Brocchi Desh. 

 Lucina ornata Agassiz. 



— incrassata Dub. 



— dentata Bast. 

 Arca nose Linné. 



— clathrata Desh. 



— variabilis Mayer. 



— cardiiformis Bast. 

 Modiola sp. ? 

 Avicula Linderi Ben. 

 Lima sp.? 



Pecten sp. ? 



Plicatula mytilina Phil. 



Ostrea virgata? Gold. 



Atiiria Aturi Bast. 



Dentalium Burdigalinum Mayer. 



Patella sp."? 



Fissurella neglecta Desh» 



Hipponyx Graieloiipi Benoist. 



Pileopsis Aquensis Grat. 



Calyptrœa Sinensis Desh. 



Serpulorbis arenarius? Linné. 



Vermelus sp. ? 



Turritella Desmareslina Bast. 



Rissoina obsoleta Partsch. 



liXXxin 



Rissoina Burdigalensis d'Orb. 

 Rissoa curta Duj- 



— scalaris Dub. 



— clotho Hôrnes, 



— Moulinsii d'Orb. 



— Lachesis Bast. 

 — ■ costellata Grat. 



Bithynia Aturensis Noulet. 

 Turbonilla gracilis Brocchi. 



— subumbilicata Grat. 



— sp.? 

 Pyramidella milrula Férus. 



— Grateloupi d'Orb. 

 Tornatella striatella Grat. 



— punctulata Férus, 

 Ringicula. Tournoueri Morlet. 

 Tornatina Lajonkaireana Bast. 

 Scaphander Aquitanicus Benoist. 

 Bulla subangistoma d'Orb. 



— miliaris Brocchi. 



— sp.? 



— sp. ? 

 Phasianella Aquensis d'Orb. 



— spirata Grat. 

 Trochiis Moussoni Mayer. 



— Bucklandi Bast. 

 Neritina Ferussaci Recluz , 

 Natica neglecta Mayer. 



— helicina Brocchi. 

 Cerithiwn lignitarum Eichw. 



— plicatum Brug. 



— rnargaritaceum Bi'occhi. 



— corrugatum Bast. 



— calculosii'm Bast. 



— Girondicum Mayer. 



— pseudo-Thiarella d'Ox'b. ■ 



— subclavatulatum d'Orb. 



— pupeeforme Bast. 



— crenatum Brocchi, 



