180 



Genua TINOCERAS, Marsh l . 

 Including : Eobasileus, Cope 2 . 



Loxolophodon, Cope 3 . 



Dentition : I. ^, C. [, Pm. |, M. |. The base of the upper canine 

 Fig. 29. 



Tinoceras cornutum (Cope) 4 . The skull; from the Bridger Eocene of 

 Wyoming, U.S.A. . (From the ' American Naturalist.') 



1 Amer. Journ. ser. 3, vol. iv. p. 322 (for Oct., but published in advance 

 on Aug. 19, 1872). Marsh's generic nomenclature is followed in this work, 

 although Cope (Amer. Nat. vol. xix. p. 704 [1885]) states that some of the 

 names should be changed. 



2 Proc. Arner. Phil. Soc. vol. xii. p. 485 (for Oct., but published in advance 

 Aug. 20, 1872 ; vol. dated 1873). 



3 Ibid. p. 487 (same date). 4 Syn. Loxolophodon cornutus, Cope. 



