SYNOPSIS. 



221 



ridge. The parietal protuberances were robust, and broadly oval in 

 section near the top, and are connected by a Ioav transverse ridge across 

 the top of the skull. All these protuberances in this specimen are smooth, 

 and regularly rounded. 



The type specimen (number 1231) upon whicli this species is based 

 was collected by Mr. J. W. Chew, in 1S74, two miles from Big Bone 

 Buttes, Wyoming. 



The remains of this specimen consist of a skull, etc. 



Tlie geological hoi-izon of this species is in the Dinoceras beds of the 

 Middle Eocene. 



The known remains of this s[)ecies are preserved in Yale College 

 Museum. 



Uilltathei'iuill Leidiaimm, Osborn, Scott, and Speir. 



Woodcut: 19S, Lelow. 



Fig. 19S. 



Figure 198. — Skull of Cintnthflrmm Leidiannm (after O^hom, Scott, and Speir) ; obli([iie siite view. 

 About oue-eighth natural size. 



This figure was photogra|)hed on wood from the original lieliotype 

 plate, cited below. 



Osborn, Scott, and Speir, Palwontological Report, pp. 63-80, Plates YI-YIII, ISTS. 

 Osborn, Memoir upon Loxolophodou and Uintatheriuiti, pp. 18, ]9, 22-24, Plate II, 1881. 

 Cope, American Naturalist, Yol. XYIII, p. 1117, tig. 10, November, 1884. 



The type specimen -erf this species was collected in 1877, near Drv 

 Creek, in AVvoming. 



