PLEISTOCENE FOSSILS. 243 



Recent — Little Metis; Murray Bay; Gaspii ; Gulf St. Lawrence, 

 and from Greenland to Connecticut. 



This is a shell which is very (lural)le, and retains even its colour 

 when imbedded in the clays. In this it excels the Tellinas, Astartes, 

 Saxicava and Ledas ; thougli these in turn are always much better 

 preserved than the Mytili and Modioln.'. 



Oatrea Vinjinkina. Lister. 



I have picked up a loose specimen at Saco which has the appearance 

 of being a fossil specimen from the Leda clay, and Mr. Paisley has 

 sent me specimens from tlie Bay des Chaleurs, which are said to have 

 come from Pleistocene beds lU feet from the surface.* 



Class III. — GASTEuorouA. 



I'hi/iue lintolata. Couthuoy. 



Fossil t — Montreal, rare. 



Recent — Gaspe ; Grand Manan (Stimpson) ; Nova Scotia (Willis). 

 It is Philine li)it((, Brown, according to Jeffreys. 



Cylkhna (tl/xi. Brown. 



Fossil -Montreal ; Riviere -du- Loup ; also in the Clyde beds. 

 (Plate VI., Fig. 11.) 



Recent — Gaspe ; Labrador (Packard) ; Gulf St. Lawrence, common 

 (Whiteaves) ; Arctic seas generally. Same or similar on West Coast 

 at Sitka (P. P. C.) 



Ci/lichna oryza. Totten. 



Fossil— Montreal. 



Recent — Coast of New England. .JetlVeys regards it as B. utrkulux. 

 Povichi. 



Ci/lichiia nucliold, ^eeve. 



Fossil — Montreal ; rare, and pcriiaps doubtful. 

 Recent — Arctic seas. 



* At present, however, its f)ccurrence as a Pleistocene species must 

 be regarded as doubtful, more especially as in modern times it does not 

 occur in the colder parts of the Gulf of St. Lawrence. 



t Except when otiierwise stateil, all the (Jasteropods are found in 

 the Leda clay, or at its junction with the Saxicava sand. 



