164 THE WHITE RIVER BADLANDS 



Scott, W. B. and Osborn, H. F. Preliminary Account 

 of the Fossil Mammals from the White Kiver Formation 

 Contained in the Museum of Comparative Zoology. (Part 1). 

 Mus. Comp. Zool., Bull., vol. 13, 1877, pp. 151-171, 2 pis. 



Scott, W. B. and Osborn, H. F. Preliminary Account 

 of the Fossil Mammals from the White River and Loup Fork 

 Formations, Contained in the Museum of Comparative 

 Zoology, Part II. The Carnivora and Artiodactyla by. W. 

 B. Scott, the Perissodactyla by Henry Fairfield Osborn. 

 Mus. Comp. Zool., Bull., vol. 20, 1890, pp. 65-100, 3 pis. 



Scott, W. B. On the Osteology of Mesohippus and 

 Leptomeryx with Observations on the Modes and Factors of 

 Evolution in the Mammalia. Jour. Morph., vol. 5, 1891, pp. 

 301-406, 2 pis. 



Scott, W. B. On the Osteology of Poebrotherium ; a 

 Contribution to the Philogeny of the Tylopoda. Jour. 

 Morph., vol. 5, 1891, pp. 1-78, 3 pis. 



Dall, W. H. and Harris, G. D. The Neocene of North 

 America. U. S. Geol. Surv., Bull. No. 84, Correlation 

 Papers, 1892, 349 pp. 



Hay, Bobert. Sandstone Dikes in Northwestern Ne- 

 braska. Geol. Soc. Am., Bull., vol. 3, 1892, pp. 50-55. 



Marsh, O. C. Becent Polydactyl Horses. Am. Jour. 

 Sci., 3d ser., vol. 43, 1892, pp. 339-355. 



Hatcher, J. B. The Titanotherium Beds. Am. Nat. 

 vol. 27, 1893, pp. 204-221. 



Osborn, H. F. The Kise of the Mammalia in North Am- 

 erica. Am. Jour. Sci., 3d ser., vol. 46, 1893, pp. 379-392, 448- 

 466, 1 pi. 



Wortman, J. L. On the Divisions of the White River 

 or Lower Miocene of Dakota. Am. Mus. Nat. Hist., Bull., 

 vol. 5, pp. 95-105. 



Wortman, J. L. and Earle, Charles. Ancestors of the 

 Tapir from the Lower Miocene of Dakota. Am. Mus. Nat. 

 His., Bull., vol. 5, 1893, pp. 159-180. 



Osborn, H. F. and Wortman, J. L. Fossil Mammals of 

 the Lower Miocene White Biver Beds. Collection of 1892. 

 Am. Mus. Nat, Hist., Bull., vol. 6, 1894, pp. 199-228, 2 pis. 



