Cydopidius (Pithecistes) Cope, etc. -^19 



Leidy, J. 1858. Notice of remains of extinct Yertebrata, from the \ 

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— 1869. The extinct mammalian fauna of Dakota and Nebraska. Jour. 



Acad. Nat. Sci. Phila. (2), 7, 1-472. 

 Loomis, F. B. 1920. On Ticholeptus rusticus and the genera of Oreodon- 



tidffi. This Journal (4), 50, 281-292. 

 Matthew, W. D. 1899. A provisional classification of the fresh-water 



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— 1909. Faunal lists of the Tertiary Mammalia of the West. U. S. Geol. 



Survey, Bull. 361, 91-120. 

 Scott, W. B. 1890. Beitrage zur Kenatniss der Oreodontidae. Morpholog. 

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— 1893. The mammals of the Deep Eiver beds. Amer. Nat., 27, 659-662. 



— 1895. The Mammalia of the Deep Eiver beds. Trans. Amer. Philos. 



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— 1899. The selenodont artiodactyls of the Uinta Eocene. Trans. Wagner 



Free Inst. Sci., PhHa., 6, 1-121. 

 Sinclair, W. J. 1910. The restored skeleton of Leptauclienia decora. Proc. 

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