List of Casts, Models, and Photographs. 



back and short head are hkewise striking characters. The 

 striping of the neck and fore quarters is based upon the fact 

 that the young of all morlern ^t^pcip^ "f V,n^^\A'^ cb,-,;- - --^ — f> 



Fig. 8. Restoration of the Four-toed Eocene Horr.c ,',,./,■,<.„././■..,., 



sixteen inches. 



or less marked tendency to striping in these parts. The ani- 

 mal in Hfe was about 4 hands, or 16 inches, in height at the 

 withers. 



Originally reproduced by Lucas in McClure's Magazine. 1899. 



Cope, Tertiary Vertebrata, U. S. Geol. & Geog. Sur. Terrs., F. V. Hay- 

 den in charge. Final Report, IV (1885), pp. 635-647, pll. xHx, 

 a, b, c. 



3. Caenopus, A Hornless Upper Oligocene Rhinoceros. 



The study is based upon the complete mounted skeleton, 

 No. 538, in the American Museum, of Ccunopiis tridactylns. 

 This animal compares in its dimensions and in the general 

 characters of its skeleton with the Two-horned Rhinoceros of 



