BIBLIOGRAPHY 301 



Leidy, J. — Continued 



1853. (Remarks on a collection of fossil Mammalia from Nebraska.) Proc. Acad. Nat. Sci. Phila., VI, 



pp. 392-394. 

 1854A. The ancient fauna of Nebraska, or a description of remains of extinct Mammalia and Chelonia from 



the Mauvaises Terres of Nebraska. Smithsonian Contrib. Knowledge, VI, art. VII, pp. 1-126. 

 1854B. Synopsis of extinct Mammalia, the remains of which have been discovered in the Eocene formations 



of Nebraska. Proc. Acad. Nat. Sci. Phila., VII, pp. 156-157. 

 1856A. Notices of remains of extinct Mammalia, discovered by Dr. F. V. Hayden, in Nebraska Territory. 



Ibid., VIII, pp. 88-90. 

 1856B. Notice of some remains of extinct vertebrated animals. Ibid., VIII, pp. 163-165. 

 1856C. Notices of extinct Vertebrata discovered by Dr. F. V. Hayden, during the expedition to the Sioux 



country under the command of Lieut. G. K. Warren. Ibid., VIII, pp. 311-312. 

 1858. Notice of remains of extinct Vertebrata, from the valley of the Niobrara River, collected during the 



exploring expedition of 1857, in Nebraska, under the command of Lieut. G. K. Warren. Ibid., 



X, pp. 20-29. 

 1869. The extinct mammalian fauna of Dakota and Nebraska, including an account of some allied forms 



from other localities, together with a synopsis of the mammalian remains of North America. 



Jour. Acad. Nat. Sci. Phila. (2), VII. 

 1870A. (Remarks on fossil vertebrates.) Proc. Acad. Nat. Sci. Phila., XXII, pp. 66-68. 

 1870B. (Remarks on a collection of fossils from the western Territories.) Ibid., XXII, pp. 109-110. 

 1870C. (Remarks on a collection of fossils from Dalles City, Oregon.) Ibid., XXII, pp. 111-113. 

 1871. Report on the vertebrate fossils of the Tertiary formations of the West. 2nd (4th) Ann. Rept., U. S. 



Geol. Surv. Wyoming and portions of contiguous Territories, pp. 340-370. 

 1873. Contributions to the extinct vertebrate fauna of the western Territories. Rept. U. S. Geol. Surv. 



Territories, I, pp. 14-358. 



Lobley, J. L. 



1908. The American fauna and its origin. Jour. Victoria Inst., XL, pp. 190-221. 



Loomis, F. B. 



1909. Turtles from the upper Harrison beds. Amer. Jour. Sci. (4), XXVIII, pp. 17-26. 

 1920. On Ticholeftus rusticus and the genera of Oreodontida. Ibid. (4), L, pp. 281-292. 

 1923. Oreodons of the lower Harrison beds. Ibid. (5), VI, pp. 222-228. 



1924A. The oreodonts of the lower Oligocene. Ann. Carnegie Mus., XV, pp. 369-378. 



1924B. Miocene oreodonts in the American Museum. Bull. Amer. Mus. Nat. Hist., LI, pp. 1-37. 



1925A. Leptauchenia and Cyclofldius. Amer. Jour. Sci. (5), IX, pp. 241-249. 



1925B. Origin and development of the artiodactyl dentition (Abstract). Bull. Geol. Soc. Amer., XXXVI, 



p. 226. 

 1925C. Dentition of artiodactyls. Ibid., XXXVI, pp. 583-604. 

 1926. The evolution of the horse. Boston. 



1928. The genus Po'dbrotherium. Amer. Jour. Sci. (5), XVI, pp. 137-142. 

 1933. Three oreodont skeletons from the lower Miocene of the Great Plains. Bull. Geol. Soc. Amer., 



XLIV, pp. 723-733. 



Lucas, F. A. 



1901. The restoration of extinct animals. Rept. Smithsonian Inst, for 1900, pp. 479-492. 



Lull, R. S. 



1913. The Yale Collection of fossil horses. Coll. Yale Univ., no. 1, pp. 1-12. 

 1917, 1929. Organic evolution. New York; 2nd Ed., 1929. 



Lydekker, R. 



1883. Indian Tertiary and Post-tertiary Vertebrata. Siwalik selenodont Suina, etc. Geol. Surv. India, 



Palsont. Indica (10), II, pp. 143-177. 

 1885. Catalogue of the fossil Mammalia in the British Museum. Pt. II, Order Ungulata, Suborder Artio- 



dactyla. London. 

 1896. A geographical history of mammals. Cambridge. 



