424 WILLIS’ NOVA SCOTIAN SHELLS—GANONG. 
TEREDO ———, (?) J. R. W. Perhaps T. Navalis. Collected for 
me by Mr. FRaNcIS BENTLEY, from one of the rough logs 
in his father’s spar yard; very fine specimen, 
GASTEROPODIA 
OPISTHOBRANCHIATA. 
Philine quadrata, Woop. Fishing Banks; rare. 
Philine lineolata, CouTH. Do. do. 
Scaphander puncto-striata, M. Do. do. 
Diaphana debilis, GouLD. Do. do. 
Utriculus pertenuis, M1Gu. Do. do. 
Cylichna alba, Brown. Do. do. 
PROSOBRANCHIATA. ° 
Chiton marmoreous, O. Fasr. On stones, Halifax Harbor; ten 
fathoms. 
Chiton laevis, * PENN. Do. do. do. 
Chiton albus, LIN. Do. do. do. 
Chiton Emersonii. Bedford Basin ; common. 
Tectura Testudinalus; common; whole coast. 
Tectura ———, (?) new to me; from Professor MCCULLOCH, 
Truro, N.S. 
Lepeta caeca, Mutt. Fishing Banks; very rare species. 
Pilidium rubellum, O. Fasr.+ Do. do. 
Crepidula unguiformis, Lam. Sable Island, Wallace, Bay of 
Fundy. 
Crepidula convexa, Say. Sable Island. 
Crepidula fornicata,+ Lin. Whole coast; common. 
Crepidula glauca. By T. Bett, Esq., F.G.S. ~ 
Cemoria Noachina, Lin. Fishing banks and Halifax Harbor, ten 
fashoms. 
Margarita Helicina. O. Barr. Halifax harbor; common. 
* This is a European species which has not been reported from American waters by any 
other writer. 
7 We are not sure to what species Willis here refers. 
{ Probably too broad a statement. It is not found on Bay of Fundy coast of N. B., and 
probably not on Bay of Fundy coast of N. S., except in sheltered situations, 
