159 



Margarita undulata, Sowerby. 



Trochus Grcenlandicus umhilicatus, &c., Chfininitz (1781) ; but not 



binomial. 

 Trochus cinerarius, O. Fabricius (1780) ; non L. (176()). 

 Margarita striata. Leach (1819). 

 Margarita undulata, Sowerby (1838) ; et auct. 

 Turbo incarnaius, Couthouy (1838-39). 

 Margarita grcenlandica, G. O. Sars (1878). 



Grand Manan, "on weedy, rocky and nul ipore bottoms, in shallow water" 

 (Stimpson) ; L'Etang Harbour and Passamaquoddy Bay (Ganong) ; 

 Annapolis B isin (Verkriizen). Fishing banks off Halifax (Willis) ; Le 

 Have Bank, Nova Scotia, in 45 fathcuis, gravelly and stony bottom, U. S. 

 Fish Commission. 1872 (Smith and Harger). Gulf of St. Lawrence, at Gasp^ 

 Bay, in 30 to 50 fathoms, and at several other locaHties (Whiteaves) ; St. 

 Anne and Ruisseau Vallee (Bell) ; near Caribou Island, " common in 15-20 

 fathoms, sand " (Packard). Atlantic coast of Labrador, between Sandwich 

 Bay and Hamilton Inlet, dead but perfect shells on the beach (A. P. Low, 

 1894). 



The name of this species is not includf^d in Sir J. W. Dawson's list of 

 Pleistocene fossils in the '' Canadian Ice Age." 



Margarita cinerea (Couthouy) ; and var. grandis. 



Margarita striata, Broderip and Sowerby (1829) ; non Leach (1819), 

 which, however, is .said to be the same as M. undulata, Sowerby. 

 Turbo cinerens, Couthouy (1838-39). 

 Margarita cinerea, Gould (1841) ; et auct. 

 Margarita cine>-ea, var. gt-andis (Miirch) G. 0. Sars (1878). 



Bay of Fundy (Stimpson, and \^errill) ; Passamaquoddy Bay (Ganong) ; 

 Annapolis Basin (Verkruzen) ; Atlantic coast of Nova Scotia (Willis, — and 

 Smith and Harger). Gulf and mouth of the River St. Lawrence at many 

 localities, dredged by Sir J. W. Dawson, Bell, Packard, and the writer; 

 Atlantic coast of Labrador (Packard, and A. P. Low) ; Hudson Strait 

 (Bell); and Greenland (Moller); from low-water mark to 100 fathoms, but 

 apparently most abundant in from about 10 to 60 fathoms. Specimens 

 from the Gulf of St. Lawrence and Labrador C( ast, average about 16 ram. 

 in their basal diameter, and 18 nun. in lieiglit. 



Fossil at Portland, and Riviere du Loup (Sir J. W. Daw.son\ 



SoLARiEur-A obscura (Couthouy). 



Turbo obsoiriis, Couthouy (1838-."9). 

 Margarita obscuru, Gould (1841) ; et auct. 

 Mackoioplax ohscura, G. O. Sai-s (1878). 

 Solar iella obscura, Pilsbry (1889). 



With the preceding, but nui yo'.. ncurdiHl ;is h.iviag been collected in 



Greenland. 



