NORTH AMERICAN COXCIIOLOGY. 



151 



Name. 

 Sigaretus maculatus Say. 



perspectivus Say. 

 Velutina laevigata Brown. 



ovata Brown. 



zonata Gould. 

 Odostomia exigua Couth. 



convoluta Gould. 



fusca Adams. 



producta Adams. 



seminuda Adams. 



trifida Totten. 

 Tornatella punctostriata Ad. 

 Vermetus lumbricalis Linn. 

 Janthina communis Lam. 



fragilis Brug. 

 Scalaria clathrus Say. 



Grcenlandica. 



Humphreysii Kiener. 



lineata - s ty. 



multistriata Say. 



Novangliae Couth. 

 Delphinula laxa Say. 

 Skenea serpuloides Adams. 

 Trochus occidentalis Mighels. 

 Turbo canaliculata Say. 

 Margarita arctica Breach. 



argentata Gould. 



acuminata Sowerby. 



cinerea Couth. 



obscura Couth. 



varicosa Mighels. 



undulata Soirerby. 

 Littorina rudis Donv. 



tenebrosa Mont. 



palliata Say. 

 Lacuna fusca Adams. 



neritoidea Gould. 



vincta Mont. 

 Cingula minuta Totten. 



aculeus Gould. 



semicostata Mont.. 



arenaria Mont. 



latior Mighels. 

 Pyramis striatula Couth. 



fusca Adams. 



Locality. 

 Southern coast. 

 New Jersey. 

 Cape Ann. 

 Cape Ann. 

 Massachusetts bay. 

 Boston Lay. 

 Massachusetts bay. 

 Eastern States. 

 Eastern States. 

 Eastern States. 

 Rhode Island. 

 New York bay. 

 Newport R. I. 

 Nantucket. 

 New Bedford. 

 Southern coast. 

 Massachusetts bay. 

 Atlantic coast. 

 Atlantic coast. 

 Southern coast. 

 Massachusetts bay. 

 South Carolina. 

 Boston bay. 

 Maine. 



Southern States. 

 Massachusetts bay. 

 Cohasset, Mass. 

 Maine. 



Massachusetts bay. 

 Nahant. 

 Maine. 



Phillips' beach. 

 Atlantic coast. 

 Massachusetts bay. 

 Atlantic coast. 

 Massachusetts bay. 

 Chelsea beach. 

 Massachusetts bay. 

 Atlantic coast. 

 Massachusetts bay. 

 Maine. 

 Maine. 

 Maine. 

 Cape Ann. 

 New Bedford. 



