i8 



Margaritas groenlandica (Ginelin). 



Margarita undulata, Gould, Mighels, Stimpson. 



Whole coast of Maine. 

 Margarites acuminata (Mighels and Adams), 1842. 



Grand Manan, 40 fath., soft mud (Stimpson). 

 Molleria costulata (Moller). 



Margarita costulata, Moller, 1842. 

 Adeorbis costulata, Stimpson, Gould. 



Hussey Sound, Casco Bay (Fuller in P. S. N. H.) ; 

 Frenchman's Bay common in 25 to 30 fath. 

 (Blaney) ; Grand Manan, 4 to 30 fath. (Stimpson). 

 Stilifer stimpsoni, Verrill. 



Georges Bank, 6 to 60 fath. 



"As this lives among the spines of the sea urchin, Strongy- 

 locentrotus drobachiensis, I see no reason why it should not be 

 found in Maine." (Charles W. Johnson.) 

 Turbonilla interrupta (Totten). 



Portland Harbor (Fuller in P. S. N. H.) ; Nova Scotia, 



2 to 107 fath. (Dall). 

 Tubonilla nivea (Stimpson). 



Chemnitzia nivea, Stimpson, 1851. 



Frenchman's Bay, "only one dead and very worn speci- 

 men which suggests Turbonilla nivea, Stimpson, 20 

 fath." (Blaney) ; in 40 fath. mud and gravel, off 

 Grand Manan (Stimpson). 

 Odostomia modesta (Stimpson). 



Chemnitzia modesta, Stimpson, 1851. 



Frenchman's Bay, 6 to 8 fath., rare (Blaney). 

 Odostomia bisuturalis (Say) 1821. 

 Jaminia exigua, Couthouy, 1838. 

 Odostomia exigua, Gould, 1841. 



Sheepscot river, Lincoln county (Winkley) ; Damaris- 



cotta river at Newcastle (Wentworth). 

 Odostomia trifida (Totten). 

 Actseon trifidus, Totten. 



On algae, in an inlet of New Meadows river, Brunswick 

 (Prof. Leslie Lee) ; Sheepscot river (Winkley) ; 

 Damariscotta river at Newcastle (W r entworth). 

 Odostomia seminuda (Adams). 



Mass. Bay, northward (Stimpson). 



