190 



BIBLIOGRAPHY OP 



Okdbr CERYICOBRAXCHIATA. 



Family Fissuracea. 



103 Lottia alvens Conrad. 



103 scabra Nutt. 



103 testudiualis Mull. 



Patella testudiualis Mull. 

 105 Fissuxella alternata Say. 

 105 crenulata Sowt rby. 



107 Cemoria Noachina Linn. 



Patella Noachina Linn. 



Fissurella Noachina Sowerby. 



Family ( a pulacea. 

 107 Crepidula exuviata Nutt. 

 107 fornicata Linn. 



107 glauca Say. 



107 Navicelloides Nutt. 



107 onyx Sotverby. 



C. rvgosa Nutt. 



107 plana Say. 



108 Calyptraea striata Say. 



New York. 

 Upper California. 

 Mass., Greenland. 



Maryland. 



Up. Calif'a, Monterey. 



Maine, Greenland. 



Upper California. 

 New York. 

 Rhode Island. 

 Upper California. 

 Upper California. 



New York. 

 Rhode Island. 



