FORMATION. 



17 



Pecten obsoletus, Sotc. 



(P. triradiatui. Mull.), 

 opercularis, Linn. 



Pecten striatns, Saw. 



(P. sinitostu, Linn.?), 

 tnmidns, Turt. 



Brachiopoda. 



TerebratxJa psittacea, Lam. 

 variabilis, Sow. 



Lingula fttsca. Wood. 

 Orbicula Norwegica, Sow. 



Gasteropoda. 



Actseon Nose, Sow. 



tomatilis, Slant, sp. 

 Adeorbis striatns, Wood. 



subcarinatns, Mont. sp. 

 Alvania snpranitida. Wood. 

 Aporrhais pes-pelicani, auct. 

 Buccinum Dalai, Sow. 



nndatum, Linn. 

 Bnlla acuminata, Bnig. 

 eatenata. Wood. 

 concinna, Wood. 

 connlus. Desk. 

 cylindracea, Penn. 

 Lajonkaireana, Bast. 

 lignaria, Linn. 

 nana. Wood. 

 obtnsa, Mont. 

 quadrata. Wood. 

 sculpta. Wood. 

 tmncata, Mont. 

 ventrosa. Wood. 

 CanceUaria costellifera, Sow. sp. 



Mitraeformis, Broc. sp. 

 Capulns ungarieus, Linn. sp. 

 Cassidaria bicatcnata. Sow. 

 Cerithium adversum, Mont. sp. 

 pnnctatmn, Woodw. 

 trilineatnm, PAH. 

 Cerithium tubercnlare, Mont. sp. 

 c 



Chiton fascicularis, Sow. 

 Colnmbella snlcata, Sow.sp. 

 Conovnlus myosotis, Drap. sp. 



pyramidalis. Sow. sp. 

 Dentalium costatnm, Soto. 



entalis, Linn. 

 Emarginula erassa. Sow. 



fissura, Linn. jp. 

 Erato Isevis, Gray. 



Maugeriae, Gray. 

 Eulima polita, Risso. 



subulata, Risso. 

 Fissurella cancellata. List, sp. 



{Patella Graca,IAaa.?). 

 Fusus alveolatus. Sow. 



antiquus, Mull. sp. 



cancellatus. Sow. 



eostatus. Sow. 



despectns, Linn. sp. 



ecMnatns, Sow. 



elegans, Wood. 



Islandicns, Martin. 



nebula, Mont. 



scalariformis, Gould, 



Sabini, Gray. 



turriculus, Flem. 

 Infundibulum Sinense, Mont. 

 Litiopa papillosa. Wood. 



