27 



Bela bicarinata var. violacea (Mighels and Adams). 

 Bela violacea, Gould, 1870. 



Casco Bay to Frenchman's Bay. 

 Bela pingeli (Moller) 1842. 



Eastport, 20 to 90 fath. (Verrill) ; Eastport, 15 fath. 



(Winkley). 

 Ringicula nitida, Verrill, 1872. 



Gulf of Maine, no fath. "Bache" party, 1872 



(Verrill). 

 Haminea solitaria (Say). 



Bulla solitaria, Gould, Stimpson. 

 Bulla insculpta, Totten. 



On the shores of Damariscotta Bay (E. P. Went- 



worth). 



Scaphander punctostriata (Mighels and Adams). 

 Bulla puncto-striata, M. and A., 1842. 



Casco Bay (Mighels, Kingsley) ; Portland Harbor 

 (Fuller); outside Casco Bay, 50 to 95 fath. 

 (Verrill). 

 Cylichna alba (Brown), 1827. 



Bulla triticea, Couthouy, 1838. 



Whole coast of Maine. 

 Diaphana debilis (Gould). 



Bulla debilis, Gould, 1841; Stimpson, 1851. 



Casco Bay to Grand Manan. 

 Diaphana hiemalis (Couthouy). 



Bulla hiemalis, Couthouy, 1839. 



Casco Bay to Grand Manan. 

 Retusa gouldi (Couthouy), 1839. 

 Utriculus gouldi, Gould, 1870. 

 Cylichna gouldi, Verrill. 



Casco Bay to Penobscot Bay, rare. 

 Retusa pertenuis (Mighels), 1843. 



Whole coast of Maine. 

 Retusa mayoi (Ball), 1889. 



Portland (Chas. W. Johnson). 

 Tornatina canaliculata (Say), 1822. 

 Bulla obstricta, Gould, 1841. 



Portland Harbor (Fuller in P. S. N. H.). 



