344 ASSIXXIBOIXE AND SASKATCHEWAN EXPEDITION. 



Nautilus Dekayi. — Morton, 1834. Synop. Org. Bern., 

 pi. viii. fig. 4, and pi. xiii. fig. 4. 



Side yiew of Nautilus Dekayi. 



Locality and position. — South Branch of the Saskatche- 

 wan. — Upper Cretaceous. 



Rostellaria Americana. 



Rostellaria Americana. — Evans and Shumard, Trans. 

 St. Louis Acad. Sci., vol. i. p. 42. 



Locality and position. — South Branch of the Saskatche- 

 wan. — >Upper Cretaceous. 



Scaphites Conradi. 



Ammonites Conradi. — Morton, 1834. Synop. Org. 

 Bern., p. 39, pi. xix. fig. 4. 



