21 



Velutina laevigata (Linne). 



Sigaretus haliotoideus, Mighels, 1843. 

 Velutina haliotoides, Stimpson, 1851. 

 Velutina haliotoidea, Gould, 1870. 



Whole coast of Maine. 

 Marsenina glabra (Couthouy). 

 Catinus perspectivus, Say. 

 Lamellaria perspicua, Gould, Stimpson,* Verrill. 



Whole coast of Maine. 

 Marsenina ampla, Verrill, 1880. 



Eastport (Ball, Verrill). 

 Marsenina prodita (Loven) 1846. 



Eastport (Verrill and Smith). 

 Crucibulum striatum (Say). 



Calypraea striata, Say, 1826; Mighels, 1843. 



Everywhere on the coast of Maine. 

 Crepidula fornicata (Linne). 



Crepidula glauca, Say, 1822; Gould, 1870. 



Southern coast of Maine, as far north as Frenchman's 



Bay. 

 Crepidula convexa, Say, 1822. 



Casco Bay (Verrill, Kingsley) ; Damariscotta river at 

 Newcastle (Wentworth) ; Nova Scotia, o to 22 fath. 

 (Dall) ; Mass. Bay, southward (Stimpson). 

 Crepidula plana, Say, 1822. 



Crepidula unguiformis, Stimpson, 1851. 



Old Orchard (Wentworth) ; Casco Bay (Mighels, 

 et al) ; Penobscot Bay, 49 to 50 fath. and all along 

 Knox county shore, in dead shells of Buccinum 

 undatum (Lermond) ; whole coast of New England 

 (Stimpson). 

 Cingula minuta (Totten). 



Rissoa minuta, Gould, 1870. 

 Littorinella minuta, Verrill, 1873. 



Casco Bay to Frenchman's Bay ; whole New England 



coast (Stimpson). 

 Cingula aculeus, Gould, 1841. 



Whole coast of Maine. 



