182 



W. C. ALLEE. 



Gasteropoda Con't. 



Natica immaculata . . . . 



Nalica pusilla 



Odostomia sp.? 



Rissoa minuta ....... 



Rissoa sp.? 



Scalaria sp.? 



Purpura lapillus 



Urosalpinx cinerews. . 



Anomia aculeata 



Anomia ephippium . . . 



Area pexata 



Area ponder osa 



Area transversa 



Astarte castanea 



Astarte undata 



Gardium pinnulatum. . 

 Clidiophora trilineata . 



Corbula contracta 



Cumingia tellinoides . . 

 Ensis directus 



Gastranella tumida 



Gemma gemma 



Lcevicardium mortoni. . 



Lyonsia hyalina 



Macoma tenta 



Mactra lateralis 



Mactra solidissima. . . . 

 Modiolus demissus . . . . 

 Modiolus modiolus . . . . 

 My a arenaria 



Mytilus edulis 



Nucula delphinodonta . 

 Nucula proxima 



Ostrea virginica 



Pecten irradians 



Petricola pholadiformis 



Saxieava arctica 



Solemya velum 



Tellina tenera 



Teredo navalis 



Pelecypoda. 





