12 



CEXOZOIC MAMMAL HORIZOXS 



McMaster. J. B. Stratigraphical report upon the Bridger beds in the Washakie basin, 

 Wyoming Territory, accompanied by profiles of three sections. In 

 Osborn. H. F.. A memoir upon Loxolophodon and Uintatheriiim . . . 

 E. M. Mus. Geol. Archseol. Princeton, etc.. Contr., 4°. vol. 1. Xo. 1, 

 1881. 

 "Washakie formation. 



OsBORX, H. F. A memoir upon Loxolophodon and TJintatherium . E. M. Mus. Geol. 

 Archaeol. Princeton, etc., Contr., vol. 1, Xo. 1. 1881. 



' Washakie ' more recent than Bridger formation. 



The Perissodactyla. Part III of Scott, W. B.. and Osborn, H. F., The 



Mammalia of the Uinta formation. Am. Philos. Soc, Trans., n. s., 

 vol. 1(3. pt. 3. Aug. 20, 1889, pp. 505-530. 



Fossil mammals of the Uinta Basin; Expedition of 1894. Am. Mus. Xat. 



Hist.. Bull., vol. 7. 1895. pp. 71-105. 



Geology of the Uinta Basin; the three faunal levels (horizons A, B. C). with faunal 

 lists. New genera and species, especially of Mesonyx, Telmathenum, Sphenoccelus, and 

 Elotherium. 



The Huerfano lake basin, southern Colorado, and its Wind River and Bridger 



fauna. Am. Mus. Xat. Hist., Bull., vol. 9, 1897, pp. 247-258. 



Stratigraphy; analysis of Hill's report; faunal division into a lower horizon of Wind 

 River age and an upper horizon of Bridger age. 



and Earle, Charles. Fossil mammals of the Puerco beds; collection of 1892. 



Am. Mus. Xat. Hist., Bull., vol. 7. 1895, pp. 1-70. 

 Xotes on the geology (Wortman Analysis and description of the fauna. 



and WoRTMAX, J. L. Fossil mammals of the Wahsatch and Wind River beds; 



collection of 1891. Am. Mus. Xat. Hist., Bull., vol. 4. 1892, pp. 81-147 

 Geology of the Bighorn Basin (Wortmani, p. 135: analysis and description of the 

 fauna (Osborn >. 



Scott, W. B. The upper Eocene lacustrine formations of the West. Am. Assoc. 



Adv. Sci., Proc, 1887 (1888), p. 217. Abstract. 

 The upper Eocene lacustrine formations of the United States. Am. Assoc. 



Adv. Sci.. Proc, vol. 36, 1887, pp. 217-218. 

 The geological and faunal relations of the Uinta formation. Pt. I of Scott, 



W. B., and Osborn, H. F., The Mammalia of the Uinta formation. Am. 



Philos. Soc, Trans., n. s., vol. 16, pt. 2, Aug. 20, 1889, pp. 462-470. 

 The selenodont artiodactyls of the Uinta Eocene. Wagner Free Inst. Sci., 



Tmns., vol. 6, 1899, pp. i-xiii, 15-122, pis. 1-4. 

 Angular unconformity between horizons B and C White River bedshomotaxial with 



Ronzoo ot France (vide Hatcher). Uinta compared with Pansgypsura (Lutetien), i e. 



lower Oligocene [upper Eocene j. 



Sinclair, W. J. Volcanic ash in the Bridger beds of Wyoming. Am. Mus. X'at. 

 Hist., Bull. 22. 1906, pp. 273-280. 



General features of the geology. Lithologic and stratigraphic classification of the 

 Bridger group. 



Yeatch, a. C. Geography and geology of a portion of southwestern Wyoming, with 

 special reference to coal and oil. U. S. Geol. Survey. Prof. Paper Xo. 

 56, 1907. 



Deposits of the period between the known Cretaceous and the known Eocene: Evans- 

 ton formation (Eocene?), p. 80; Wasatch group, pp. 87-96; Green River formation, 

 p. 97; Bridger formation, p. 99. 



