308 THE merycoidodontim: 



Stromer, E. 



1912. Lehrbuch der Palaozoologie. II. Theil: Wirbeltiere. Leipzig and Berlin. 



Thorpe, M. R. 



1920. New species of Oligocene (White River) Felidje. Amer. Jour. Sci. (4), L, pp. 207-224. 



1921 A. John Day Promerycochoeri, with descriptions of five new species and one new subgenus. Ibid. (5), 



pp. 215-244. 

 192 IB. Leftauchenia Leidy and Cyclofidius {Pithecistes) Cope, with descriptions of new and little known 



forms in the Marsh Collection. Ibid. (5), I, pp. 405-419. 

 1921C. John Day eporeodons, with descriptions of new genera and species. Ibid. (5), II, pp. 93-111. 

 1921D. Two new forms of Agriochcerus. Ibid. (5), II, pp. 111-119. 

 192 IE. A newly mounted Eforeodon. Ibid. (5), II, pp. 309-313. 

 1921F. A new Merycoidodon. Ibid. (5), II, pp. 334-342. 

 1922A. Primitive and carnivore-like characters of the Merycoidodontidre. Bull. Geol. Soc. Amer., XXXIII, 



pp. 212-213. 

 1922B. Restoration of Eforeodon socialis Marsh. Ibid., XXXIII, pp. 213-214. 

 1923A. The hyoid apparatus of Merycoidodon. Amer. Jour. Sci. (5), V, pp. 225-229. 

 1923B. New reconstructions in the Yale Peabody Museum. Ibid. (5), VI, pp. 91-99. 



1923C. The primitive and carnivore-like characters of the Merycoidodontidae. Ibid. (5), VI, pp. 239-246. 

 1924A. Additional notes on Oreodontoides oregonensis Thorpe. Ibid. (5), VII, pp. 316-318. 

 1924B. White River (Oligocene) eporeodons. Ibid. (5), VII, pp. 219-226. 

 1924C. The generic distinctions between Merycochcerus Leidy and Promerycochcerus Douglass. Ibid. (5), 



VII, pp. 121-131. 

 1925. The geological history of the oreodonts. Jour. Mam., VI, pp. 69-82. 

 1931 A. Natural brain casts of merycoidodonts. Amer. Jour. Sci. (5), XXI, pp. 193-203. 

 193 IB. The osteology of Eforeodon socialis Marsh. Bull. Peabody Mus. Nat. Hist., no. 2. 



Trouessart, E. L. 



1898. Catalogus mammalium tarn viventium quam fossilium. Berlin. 



1905. Quinquinale supplementum of 1898. Berlin. 



Wallace, A. R. 



1876. The geographical distribution of animals. New York. 



Wan less, H. R. 



1923. The stratigraphy of the White River beds of South Dakota. Proc. Amer. Philos. Soc, LXXII, 

 pp. 189-269. 



Weber, M. 



1904. Die Saugetiere. Einfiihrung in die Anatomie und Systematik der recenten und fossilen Mammalia. 

 Jena. 



Weber, M., and Abel, O. 



1928. Die Saugetiere. Einfiihrung in die Anatomie und Systematik der recenten und fossilen Mammalia, 

 Zweite Auflage, Bd. II: Systematischer Teil. Jena. 



Werner, C. 



1936. Mesozoic plant foods and mammalian evolution. Wash. Univ. Studies (n. s.), Sci. Tech., no. 9, 

 pp. 81-93. 



WlNGE, H. 



1906. Jordfunde og nulevende Hovdyr (Ungulata) fra Lagoa Santa, Minas Geraes, Brasilien, Med Udsigt 



over Hovdyrenes indbyrdes-Slaegtskab. E. Mus. Lund, III, pt. I. 



Woodward, A. S. 



1898A. Outlines of vertebrate paleontology for students of zoology. Cambridge. 

 1898B. The history of the Mammalia in Europe and North America. Nat. Sci., XII, pp. 328-336. 

 1923. A guide to the fossil mammals and birds in the department of geology and paleontology in the 

 British Museum (Natural History). London. 



