155 



fathoms" (Verrill). Pendleton's Island, south-east side of Passamaquoddy 

 Bay, N.B. (Ganong). Halifax Harbour (J. M. Jones). Not yet reported 

 as occurring in the Gulf of St. Lawrence, though if Moller, Dall and other 

 writers are correct in assuming that the Chiton cinereus of O. Fabricius is 

 this species, it has been found also in Greenland. 



Family A canthochitidoi. 

 Amicula VESTiTA (BrodeHp and Sowerby). 



Chiton vestitus, Broderip and Sowerby (1829) ; et auct. 

 Chiton Emcrsonii, Couthouy (ISiJS). 

 Amicula vestita, Gray (1847) ; et auct. 

 Amicula Emcrsonii, (iray (1847) ; et auct. 

 Stimpsoniella Emcrsonii, Carpenter (1873). 



Widely distributed but appax-ently very local. Willis says that it is com- 

 mon at Bedford Basin, Halifax ; and the writer found it to be both large 

 and abundant on the Orphan Bank. Sir J. W. Dawson has dredged it in 

 Gaspe Bay, at Little Metis, Riviere du Loup and Murray Bay; and Mr. 

 Low found one small specimen of it on the beach at Woody Point, between 

 Sandwich Bay and Hamilton Inlet, on the Atlantic coast of Labrador. 



PROSOBRANCHIATA. 

 DOCOGLOSSA. 



Family Lepetidce. 

 Lepeta c^ca (O. F. Miiller). 



Patella cceca, O. F. Miiller (1766). 

 Patella Candida, Couthouy (1838). 

 Patella cerea, Moller (1842). 

 Lepeta cceca. Gray (1847) ; et auct. 



" Not unfrequent at Grand Manan, in the coralline zone " (Stimpson) ; 

 fishing banks off Halifax, Willis ; Marsouin, (Bell) ; Gaspe Bay, from 

 stomach of cod (Sir J W. Dawson) ; Gaspe Bay, off" Grand Greve, in 20 to 

 50 fathoms (Whiteaves) ; Greenland (Moller). 



Shells of this little limpet have been found fossil in the Pleistocene of 

 Riviere du Loup, Quebec, Montreal, Labrador and Europe. 



ACMiEA TESTUDINALIS (Miiller). 



Patella testudinalis, Miiller (1776). 

 Lottia testudinalis, Gould (1841). 

 Acinwa testudinalis, Forbes and Hanley. 

 Tectura testudinalis, Gould (1870). 



Frequent almost everywhere at or near low-water mark, on stones, &c. 

 Packard has dredged young shells in 15 fathoms off Caribou Island. On the 



