NORTH AMERICAN CONCnOLOGY. 



45 



Tage. 



2R Buccinum undatum Lin. 

 28 Nassa obsoleta Say,. 

 28 trivittata Say. 



28 Nassa lunata Say. 



28 vibex Say. 



28 Columbella avara Say. 



28 Spirula Peronii Lam. 



28 Loligo illecebrosa Lesueur 



Order IV. Ceplialopoda. 



I 2S Loligo pavo Lesueur. 



One or two other species. 



Toltfera. — List of Shells observed on and near the Coast of New 

 England: by Col. Jos. G. Totten. (Hitchcock's Report, Am- 

 herst, 1833. Tide p. 39.) 



Nucula proxima Say. 



limatula Say. 

 Unio coniplanatus Soland. 

 Alasmodontamargaritifera 

 Gmelin. 

 Modiola plicatula Lam. 

 Mytilus edulis Linn. 

 Pecten magellanicus Gmel. 



Pealeii Conr. 



concentricus Say. 

 Anomia ephippium Gmelin. 

 Chiton marginatus Linn. 

 Patella amcena Say. 



alveus Conr. 

 Dispotea striata Say. 

 Crepidula fornicata Gmelin. 



convexa Say. 



plana? Say. 



glauca? Say. 

 Helix albolabris Say. 



alternata Say. 



thyroidus Say. 

 Paludina decissa Say. 

 Natica duplicata Say. 



heros Say. 



triseriata Say. 

 Turbo palliatus Say. 



obligatus Say. 



vestita Say. 



irroratus Say. 



rudis Say. 



