It) 



CEXOZoic :m-immal horizons 



[OsBORX. H. F.] Professor Fraas on the aqueous vs. eolian deposition of the White 

 River Oligocene of South Dakota. Science, n. s.. vol. 14. 1901. pp. 

 210-212. 



Titanotherium beds formed by river and fliX'-i-p^iiLn. deposits expose! during dry 

 season. Middle Oreodom beds deposited by a shallow lake with, dissolved materials of 

 varying concentration (cf. banded layers i . Upper Orfodon beds formed by eolian loess. 



OsBORX. H. F. See Scott. W. B.. and Osborn. H. F. 



and WoRTMAX, J. L. Perissodactyls of the lower Miocene White River beds. 



Am. Mus. Xat. Hist.. Bull., vol. 7. 1893, pp. 34.3-375. 



OMgocene. 



Fosdl mammals of the lower iliocene White River beds; collection of 



1S92. -\m. Mus. Nat. Hist.. Bull., vol. 6, 1894. pp. 199-228. 

 .Succession of species In the White River " "Miocene" [=01igocene] 



Peterson. O. A. (Meology of Oxydactylus. A new genus of camels from the Loup 

 Fork of Nebraska, with descriptions of two new species. Carnegie Mus. , 

 -\nn., vol. 2. Xo. 3. Feb.. 1904. 

 Geologic notes and section, pp 47.^-47-5. 



Description of new rodents and discussion of the origin of DaEmtmelix. Car- 

 negie Mus.. Mem., vol. 2. 1905. pp. 139-191. 



New rf>ients from the Dxmonelix beds, Harrison formation (Miocene . Datmonelix 

 explained as the cast of a spiral burrow made by rodents (Steneofiber) . 



The Agate Spring fossil quarrj'. Carnegie Mu«.. Ann.. ^rrA. 3. Xo. 4. 1906. 



pp. 487-494. 



Horizon r^arded as equivalent to the top of the i >wtr lutrri:! a i r:: 



The Miocene beds of western Nebraska and eastern Wy ming and their ver- 

 tebrate faunae. 



Cam^ie Mus.. Ann., voL 4, Xo. 1, 1906, pp. 21-72. 



Xewsuilline remains from the Miocene of Nebra.-?rv.:. . : - Mus.. .Vnn., 



vol. 2. No. 8- 1906. pp. :30.>-320. 



X. sp. in ThinohtfUi. Comparison with Jdtm Day si)ecies shows greater specializa- 

 tion, p. 320. 



Scorrr, W. B. The mammals of the Deep River beds. Am. Naturalist, vol. 27. 1893, 

 pp. 659-662. 

 Preliminary description 



The later Tertiarj' lacustrine formations of the West. Geol. Soc. America, 



Bull., vol. 5. 1893 a894>. pp. 594-595. 

 Ne^^^raska formation, Ctmnyr beds. Type reference. 



The Mammalia of the Deep River beds. Am. Philos. Soc.. Trans., n. s., vol. 



18, 1895, No. 2, pp. 55-185. 

 Geology, pp. .55-^:3. European homota^ with Sanson and Simorre (middle Mio(»ne . 



and OsBORX. H. F. Preliminary account of the fossU mammals from the 



White RiAxr formation contained in the Museum cf Comparative Zoolc^'. 

 Mus. Comp. Zool. Har\ard Coll.. Bull., vcl. 13, 1887, pp. 152-171. 



SccDDER, S. H. The Tertiarj- insects of North America. U. S. Geol. Survey Terr., 

 Rept.. vol. 13, 1890. 



Map of the Tertiary late basin at Florissant, Colo. Geology of the depoats yidding 

 Tertiary insects in America. Florissant =-\myzon beds (OligooeDe?). Vokanic origin 

 of the deposits. 



