+ 
bo 
6 WILLIS’ NOVA SCOTIAN SHELLS—GANONG. 
Lunatia heros, Say. Sable Island, Nova Scotia sand beaches.* 
Lunatia triseriata, SAY. Sable Isld. Fishing banks. 
Lunatia Groenlandica, MULL. Do. do. 
Mamma (?) immaculata, Tort. Do. do. 
Bulbus flavus, GouLD. Do. do. 
Amauropsis helicoides, JOHNS, Do. do. 
Bela turricula, Mont. Do. do. 
Bela harpularia, Courn. Do. do. 
Bela violacea, MIGH. Do. do. 
Bela decussata, CoUTH. Do. do. 
Bela pleurotomaria, CouTH. Do. do. 
Columbella rosacea, GOULD. Do. do. 
Purpura lapillus, Lin. Whole coast; very com.: 
Nassa obsoleta, Say. N. W. Arm, Halifax Harbor, Pictou, &e. 
Nassa trivittata, SAy. Whole coast; common. 
Buceinum undatum, Do. do. 
Buccinum ciliatum, O. Fasr. Fishing banks; rare. 
Fusus pygmaeus, GouLD. Whole coast; common. 
Fusus Islandicus, CHEMN. Annapolis Basin, Sable Island,{&e. 
Fusus decemeostatus. Annapolis Basin, Sable Island, St. Mar- 
garet’s Bay. 
Trophon craticulatus, O. Fasr. Fishing Banks. 
Trophon clathratus, LIN. Fishing Banks. a 
Trophon scalariformis, GOULD. Do. 
Trichotropis borealis, B. & 8, Do. 
Trichotropis Atlanticus.+ Do. very rare. 
Admete viridula, O. BABr. Do. 
Fasciolaria ligata, MicH. Do. 
Auricula denticulata, GouLp (?) Halifax harbor ; common. 
PNEUMOBRANCHIATA. 
Ancylus parallelus, HALD. In most lakes and ponds; common. 
Limnea culumella, Say. Do. do. 
Limnea catascopeum, Say. Dartmouth lakes; rare. 
Limnea elodes, Say. Pond near King’s College, Windsor, N. S. 
* In his account of edible Mollusca, Willis tells us he has specimens of this species from 
Sable 1sland four or five inches in length, and broad in proportion. They are not known to 
attain this size elsewhere in Acadia, though to the south, on the New England coast, they 
become as large 
+ Now considered a synonym for Z, borealis, 
