PLEISTOCENE FOSSILS. 249 



Amnicola limosa. Say. 



Fossil — Pakenham Mills, with the preceding. 

 Recent — Hudson's Bay to Virginia. 

 This was A. porata of the previous lists. 



Littorina rudis. Martin. 



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



Recent — Arctic seas to New England and European coasts. 



L. tenehrosa, which may be regarded as a variety, is also found at 

 Rivi^re-du-Loup, Little Metis, and Kamouraska. 



Rissoa castanea, MoUer. 

 Fossil- -Montreal. 

 Recent— Gasp^ ; Labrador, Trinity Bay (Whiteaves). 



Bissoa exarata. Stimpson. 

 Fossil — Montreal . 

 Recent — New England. 



Cingula Jan Meyeni. Friele. {Bissoa scrobiculata of former lists. ) 



Fossil —Montreal . 



Recent— Greenland ; Gulf St. Lawrence, 200 to 300 fathoms, large ; 

 and small, Gasp^, 30 fathoms (Whiteaves). 



Beta harpvlaria. Couthuoy. 



Fossil— Montreal ; Quebec ; Murray Bay ; River Charles, &c. , New 

 Brunswick (Matthew) ; Riviere-du-Loup ; Labrador (large specimens). 



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

 to large specimens from Riviere-du-Loup ; Riviere-du-Loup ; Little 

 Metis ; Kamouraska ; coast of New England. It is B. Woodiana, 

 Moller. (J. F. W.) 



Bela elegans. Moller. 



Fossil — Montreal ; Murray Bay. 



Recent — Greenland and Norway ; closely allied to next species. 



Bela pyramidalis. Strom. 



Fossil — Montreal ; also Crag, Clyde beds and Uddevalla. 



Recent— Labrador (Packard) ; Gulf St. Lawrence (Whiteaves) ; 

 Murray Bay ; Riviere-du-Loup ; Kamouraska, and south to Cape Cod ; 

 Arctic seas generally. It is the B. pleurotomaria of Couthouy, and 



