A LIST OF THE SHELLS OF MAINE. 



MARINE SPECIES. 



Pelecypoda (Bi-valves). 

 Solemya velum (Say) 1822. 



Casco Bay (Kingsley). 

 Solemya borealis, Totten. 



Casco Bay (Fuller, Kingsley) ; Winter Harbor (Hen- 

 derson). 

 Nucula tenuis (Montagu). 



Casco Bay to Eastport. 

 Nucula proxima, Say. 



Casco Bay to Eastport. 

 Nucula delphinodonta, Mighels and Adams, 1842. 



Casco Bay to Eastport. 

 Yoldia limatula (Say). 



Casco Bay to Eastport. 

 Yoldia sapotilla (Gould). 



Casco Bay to Eastport. 

 Yoldia myalis (Couthouy). 



Casco Bay to Eastport. 

 Yoldia thraciaeformis (Storer), 1837. 



Casco Bay to Eastport. 

 Yoldia lucida (Loven).' 



Nucula navicularis, Mighels, 1841. 

 Yoldia obesa, Stimpson, 1851. 



Casco Bay; North Haven, Penobscot Bay (Henry 



Jackson, Jr.). 

 Yoldia frigida, Terell, 1859. 



Gulf of Maine, 88 to 92 fathoms, and Jeffreys Ledge 



(Verrill). 

 Yoldia cascoensis (Mighels), 1841. 



Casco Bay (Mighels and Chickering). 



