106 



TUB NAUTILUS. 



Puncturella noachina Linn. 

 Margarita cinerea Couth. 

 Solariella obscura Couth. 

 Scala groenlandica Perry. 

 Amauropsis helicoides Johnston. 

 Polinices heros Say. 



triseriata Say. 



inimaculata Tott. 



nana Moll. 



Natica clausa Brod. & Sowb. 

 Marsenina glabra Couth. 

 Trichotropis boreal is B. & S. 

 Crepidula plana Say. 

 Mesalia erosa Couth. 

 Aporrhais occidentalis Beck. 

 Couthouyella striatula Moll. 

 Nassa trivittata Say. 

 Chrvsodomus decemcostatus 



/ 



Say. 

 Sipho stimpsoni Morch. 



pygmaeus Gould. 

 Buccinum undatum Linn. 

 Admete couthouyi Jay. 

 Bela incisula Verr. 



cancellata M. & A. 



gouldii, Verr. 



pleurotomaria Couth. 



nobilis Moll. 



harpularia Couth. 



decussata Couth. 



bicarinata Couth. 



bicarinata, var. violacea 

 M. & A. 



rosea Sars. 



concinnula Verr. 



Cylichna alba Brown. 

 Retusa gouldii Couth. 

 Philine quadrata S. Wood. 



lima Brown. 

 Dentalium entalis Linn. 

 Nucula tenuis Montg. 



proxima Say. 

 Leda tenuisulcata Couth. 

 Yoldia limatula Say. 



sapotilla Gould. 

 Solemya velum Say. 



borealis Tott. 

 Anomia simplex d'Orb. 

 Mytilus edulis Linn. 

 Modiolus modiolu? Linn. 

 Modiolaria corrugata Stimp. 

 Crentlla glandula Tott. 



decussala Montg. 

 Pecten islandicus Muller. 



magellanicus Gmel. 

 Venericardia borealis Conrad. 



novanglii Morse. 

 Astarte castanea Say. 



quadrans Gould. 



subaequilatera Sowb. 

 Cyclas islandica Linn. 

 Tliyasira gouldii Pliilippi. 

 Macoma calcarea Gmelin. 

 Spisula solidissima DMlwyn. 

 Cardium pinnulatum Conrad. 



ciliatum Fabr. 

 Siliqua costata Say. 

 Saxicava arctica Linn. 

 Cyrtodaria siliqua Daud. 

 Thracia truncata M. & A. 



For a more definite knowledge of the fauna of the "Georges' 

 one should consult the excellent paper by S. I. Smith and 0. Harger, 

 " Report on the dredgings in the region of St. George's Banks " 

 (Trans. Conn. Acad., Ill, pp. 1-57, 1876). 



