212 THK ICK A<;K in CANADA. 



JiiifiitiiiKi I'nuH. 



— (Var. sfiiiinnnKti), 



FohbII— Montreal, Ledd clay ; Fjiiliriulor ; Kivii'ro-du-Loui) ; Mm my 

 tiny; QiUilit'o ; Portlainl (MaiiiiO. 



Recent -(J ulf and River St. Lawrence, 10 to Hl'A fatlioinH. (i. M. I). 



Fossils— I'LATK II. 



Q 



^ 



% V t ' WW ;y 



Pleistocene Fdramiiiifera.—}, Nonioiiiiia scapha (Var. hthnvloriw) ; 2, Poli/slomeUa. 

 vmhUicatula ; li, Quiniiiielociilimi .lemimilitm ; 4, Piilj/miirpkiiia lactca ('J variotios) • 

 6, Kntosolenia gluhosa ; 0, E. cosUitd. (AH iiiagiiilloil.) 



Generally diffused in the Pleistocene. In the recent it seems to be 

 mostly a deep-water form. What Parker and Jones call the essentially 

 arctic form Ji. eleijaiUissiina is not unconunon, though other forms 

 also occur. 



Polymorphiua lactca. 



Fossil — Montreal, Leda clay ; Labrador; Riviere-du-Loup; Murray 

 Bay. 



