DESCRIPTIONS OF SPECIES. 139 



Calycites polysepala Newb. 

 PL XL, fig. 3. 



Ann. N. Y. Lye. Nat. Hist., Vol. IX (April, 1868), p. 31 (name only); Ills. Cret. and 

 Tert, PL (1878), PL XXV, fig. 3. 



Note.— The only manuscript which was found relating to this species is a 

 memorandum of the name and locality, on the plate margin, in Dr. Newberry's 

 handwriting. 



The following description was prepared from an examination of the figure: 

 Organism calyx-like, sub-circular in outline, about 1| inches in diameter, consisting 

 of six divisions (sepals ?), each of which is about three-eighths inch long by three- 

 sixteenths inch wide at base, tapering to an acute point. — A. H. 



Formation and locality: Tertiary (Fort Union group). Fort Union, 

 Dakota, 



