390 THE CANADIAN NATURALIST. [Vol. vi. 



Turrit ella acicula, Stimpson. 



Fossil — Rivi^re-du-Loup ; Lnbrador (Packard). 



Recent — Murray Bay ; coast of New England. 



There may be some reason to donbt whether this is not a 

 variety of T. erosa. It is quite possible that the above species 

 should be regarded as Mesalice. ^ 



Palnd'iiia (^Melantho) decisa, Say. 



Fossil — Pakenham Mills, Saxicava sand. 

 Recent — Ei stern America generally. 



VaJvata tricxrinata, Siy. 

 Possil — P ikenham Mills, with the preceding. 

 R cent — E istern America generally. 



Anil I tenia limosa. S-y. 



Fossil — P ikenham Mills, with the preceding. 

 Recent — Hudson's B:iy to Virginia. 

 This was A. par at a of the previous lists. 



Littorina rudis, Donovan. 



Fossil — Riviere- du-Loup ; also Clyde beds and Uddevalla. 



Recent — Arctic seas to New England and European coasts. 



L. tenebrosa, which may be regarded as a variety, is also 

 found at Riviere-du-Loup. 



Rissoa castanea, M oiler. 

 Fossil — Montreal. 

 Recent — Gaspe ; Labrador; Trinity Bay (Whiteaves). 



Rissoa exarata, Stimpson. 

 Fossil — Montreal. 

 Recent — New England. 



Rissoa scrohiculata, Moller. 



Fossil — Montreal. 

 • Itecent — Greenland; Gulf St. Lawrence, 200 to 300 fathoms, 

 large; and small, Gaspe, 30 fathoms (Whiteaves). 



Bela harpularia, Couthuoy. 



]?ossil — Montreal; Quebec; Murray Bay; Riviere du-Loup 

 (large specimens). 



Recent — Gulf St. Lawrence ; very fine at Murray Bay, and 

 similar to large specimens from Riviere-du-Loup ; coast of New 

 England. It is B. Woodiana, Moller (J. F. W.) 



