742 



Titanotherium. 



4610. f ingens, Marsh, Amer. Journ. Sc, 1874, 

 p.81; 1875, p. 245; 1876, p. 335, pl. 1—6; 

 Osborn, Bull. Amer. Mus., 1896, p. 182, 

 pl. 3. 



? hypoceras, Cope, Ann. Kep. Geol. Surv., 



1874, p. 491; Osb., 1. c, 1896, p. 183. 



4611.f?gigas, Marsh, Amer. Journ. Sc, IX, 



1875, p. 339, pl. 5. 



4612.ftichoceras, Scott et Osb., Bull. Mus. Comp. 

 Zool., XE, 1887, p. 159; Cope. Amer. 

 Natur., 1887, p. 1063; Osb., Bull. Am. 

 Mus., 1896, p. 184, pl. 3. 



4613.fdolichoceras, Scott et Osb., Bull. Mus. 

 Comp. Zool., XII, 1887, p. 158; Cope, Am. 

 Nai. 1887, p. 1063; Osb.. Bull. Am. Mus., 

 1896, p. 185, pl. 4. 



a. — serotinus, Marsh (Allops). Am. Journ. 

 Sc, 1887, p. 331; Osb., BuU.Am.Mus., 

 1896, p. 192 (=? dolichoceras, faem.). 



4614. fmontanum, Marsh, Amer. Journ. Sc, IX, 

 1875, p. 246; XI, 1876, p. 339; Osb. Bull. 

 Am. Mus.. 1896. p. 183. 



a. — elatum, Marsh. Am. Journ., 1887, p. 

 331, fig. 12; Osborn. 1. c. 1896. pl. 4, 

 etfig. 9.10,11, 12. 



amplum, Marsh, Amer. Journ., XXXIX, 

 1890. p. 523 (faeniin.. fide Osborn, 1. c, 

 p. 193.) 



4615.|bucco, Cope, Ann.Bep. Geol. Surv., 1874, 

 p. 485. pl. 2,3, 4, 8; Amer. Nat., 1887, 

 p. 1063, pl.23.24; Osborn, Bull. Am. Mus., 

 1896. p. 179. 



torvum, Cope, 1. c. 1874, p. 491; 

 Osborn. 1. c. 1876, p. 176. pl. 3. 



4616.frobustum. Marsh. Amer. Journ. Sc, 1887, 

 p. 326; Osb. et Wortm., Bull. Am. Mus., 

 1895. p. 346, fig. 1 et 3. pl. 8 et 9; Osborn, 

 Bull. Am.Mus., 1896, p. 187. fig. 8. 



4617.fdispar, Marsh, Amer.Journ.. 1887,p.327, 

 329; Osb., BuU.Am.Mus.. 1876, p. 188. 



fMiocaen. med. 

 Colorado. 



Miocaen. Colorado. 



f Miocaen. Colorado. 



fMiocaen. med. 

 Dakota merid. 



iMiocaen. Dakota 



merid. 



Dakota merid. 



fMiocaen. super. 

 Colorado. 



Dakota. 



Dakota merid. 



fMiocaen. Colorado. 



fMiocaen. super. 

 Colorado. 



f Miocaen. 

 Dakota merid. 



