236 AGRICULTURE OF MAIXE. 



Scala (Acirsa) borealis (Beck) JNIorch. 

 Scalaria borealis, Beck, 1841. 



Eastport, 10 to 40 fath., shelly bottom (\^errill & 

 Smith). 

 Polinices (Lunatia) heros (Say). 

 Xatica heros, Say, 1822. 



Very common all along the coast, from low water- 

 mark to 50 fath., muddy and sandy bottoms. Used 

 by the fishermen for bait. 

 PoHnices (Lunatia) triseriata (Say). 



Whole coast of Maine. 

 Polinices (Lunatia) groenlandica (Moller). 



Whole coast of Maine. 

 Polinices immaculata (Totten). 



Mamma? immaculata, Gould, 1870. 

 Whole coast of Maine. 

 Polinices (Lunatia) levicula, Verrill, 1880. 



Casco Bay (Verrill, Kingsley) ; Eastport (Verrill); 

 Gulf of Maine, 26 to 100 fath. (Dall). 

 Natica pusilla. Say, 1822. 



Casco Bay (Fuller, Mighels, Chickering) ; near East- 

 port, 17 fath. (Fuller). 

 Xatica clausa, Broderip and Sowerby, 1829. 

 Natica consolidata, Couthouy. 

 Natica borealis, Beck. 



Whole coast of Maine. 

 Acrybia flava (Gould). 



Natica flava, Gould, 1841 ; Stimpson, 1851. 

 Bulbus flavus, Gould, 1870. 



Portland Harbor (Fuller, in Portland museum) ; East- 

 port (Cooper in Gould's Invert. 2nd ed.) ; Grand 

 ]\Ianan, 50 fath. mud (Stimpson). 

 Amauropsis helicoides (Johnston), 1835. 

 Natica canaliculata, Gould, 1840. 



Off Otter Creek, :\It. Desert, 12 fath, sand (Hen- 

 derson). 

 Velutina zonata, Gould. 



Whole coast of Maine. 



