Triforis perversa, Lin. 

 Cerithium galliculum, May. 



— cf. calculosum. 



— bilineatum, Hornes 



— pygmseum, Phil. 



— 2 sp. indét. 

 Bittiiim spina, Partsch. 

 Moduliis Basteroli, Ben. 

 Tenagodes anguina, Lin. 

 Yermetus intortics, Lmk. 



— sulcatus, Lmk. 



— arenarins, Lin. 

 Turritella Desmarestina, Bast. 

 Protoma Basteroli, Ben. 

 Pseudomelania perpusilla, Grat. 

 Melanopsis aquensis, Grat. 

 Littorina Prevostina Bast. 

 Lacuna sp. indét. 



Fossarus 2 sp. indét. 

 Rissoia costellata, Grat. 



— Clotho, Hornes. 



— Zetlandica, d'Orb. 



— Moulinsi, d'Oi'b. 



— cf. Lac7iesis, Bast. 

 Stossichia planaxoides, Desm. 

 Rissoina Basteroti, Ben. 



— obsoleta, Partsch. 



— 2 sp. indét. 

 Hydrobia aturensis, NouL 

 Hipponix granulatus, Bast. 

 Capulus siihelegans, d'Orb. 



— aquensis, Grat. 

 Crepidula nnguifortnis, Lmk. 



— cochlearis, Bast. 



— gibbosa, Defr. 

 Plesiothyreus ancyliformis, Grat. 

 Calyptrxa depressa, Lam. 



— ornata, Bast. 



— Sinensis Desh. 



Lxxxin 

 Natica aquitanica, Tourn. 



— Sismondiana, d'Orb. 



— Josephinia, Risso. 

 Natica neglecta, May. 



— spec. indét. 

 Ampullaria eburnoides, Grat. 

 Sigaretus aquensis, RecL 

 Eunaticina suturalis, May. 

 Adeorbis 4 fasciatus, Grat. 



— sp. indét. 

 Scalaria, sp. indét, 

 Slylifer, sp. nov. ? 

 Eulima similis, d'Orb. 



— sp. indét. 

 l'yramidella Grateloupi, d'Orb. 



— sp. nov. 



Odostomia plicata, Wood. 



— sp. nov. 



— sp. nov. 

 Turbonilla, 3 sp. indét. 

 Syrnola subumbilicata, Grat. 



— 3 sp. nov. 

 Nerita Plulonis, Bast. 



Neritina Ferussaci, RecL (1 exempL). 

 Phasianella spirata, Grat. 



— Aquensis, d'Orb. 

 Turbo, spec. nov. 

 Collonia, spec. nov. 

 Aslralium, spec. nov. 

 Trochus subturgidulus, d'Orb. 



— spec. nov. 

 Clanculus Araonis, Bast. 

 Monodonta Moussoni, May. 



— sp. nov. 



— patulus, Brocc. 

 Fissurella italica, Desh. 



— clypeala, Grat. 

 Emarginida clathratee formis , Kichw. 



— squammata, Grat. 



