AVICULA NEBRASCANA. NAUTILUS DEKAYI. 



343 



Locality and position. — Sandy Hills, South Branch of 

 the Saskatchewan. Height of Land in the Qu'appelle 

 Valley, near the Elbow of South Branch of the Saskatche- 

 wan. — Upper Cretaceous.] 



Avicula Nehrascana. 



Two specimens of this species. 



[Avicula Nebrascana, Evans and Shumard, Trans. Acad. 

 Sci. St. Louis, vol. i. p. 38. 



Locality and position. — South Branch of the Saskatche- 

 wan. — Upper Cretaceous.] 



Nautilus Dekayi. 



Front view, 

 z 4 



