No. I.] OSTEOLOGY OF PCEBROTHERIUM. J 3 



(12) Gaudry, A. — Les Enchainements du Monde Animal, etc. — Paris, 1878. 



(13) Huxley, T. H.— Anatomy of I nvertebrated Animals. — London, 1877. 



(14) On the Cranial and Dental Characters of the Canidae. — Proc. Zo'dl. 



Soc. London, 1880. 



(15) Ihering, H. v. — Das peripherische Nervensystem der Wirbelthiere, 

 etc. — Leipzig, 1878. 



(16) Kowalevsky, W. — Sur PAnchitherium aurelianense, Cuv., etc. — Mint. 

 de VAcad. Imp. des Sciences deSt. Petersboitrg. Tome XX. No. 5. 



(17) On the Osteology of the Hyopotamidce. — Phil. Trans. 1873. 



(18) Krueg, J. — Ueber die Furchen der Grosshirnrinde der Ungulaten. — 

 Zeitschr.f. wissensch. Zoologie. Bd. XXXI. 



(19) Leidy, J. — The Extinct Mammalian Fauna of Dakota and Nebraska. 



— Philadelphia, 1869. 



(20) Marsh, O. C. — New Tertiary Mammals. — American Journal of Sci- 

 ence and Arts. 3d Series. Vol. IV. 



(21) The Introduction and Succession of Vertebrate Life in America. — 



Ibid. Vol. XIV. 



(22) Mivart, St. G. — On Lepilemur and Cheirogaleus, etc. — Proc. Zool. 

 Soc. London, 1873. 



(23) Parker, W. K. — Report on the Development of the Green Turtle.— 

 Challenger Reports. Zoology. Vol. I. 



(24) Rosenberg, E. — Ueber die Entwicklung der Wirbelsaule und das Cen- 

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(25) Rutimeyer, L. — Versuch einer natlirlichen Geschichte des Rindes, etc. 



— Denkschriften der Schweizerischen natnrforschenden Gesellschaft. 1 865 . 



(26) Die Rinder der Tertiar-Epoche, etc. — Abhand. d. Schiveiz. Pal. 



Ges. Bd. IV. 



(27) Schlosser, M. — Beitrage z. Kenntnis d. Stammesgeschichte d. Huf- 

 thiere, etc. Morphologisches Jahrbuch. Bd. XII. 



(28) Die Affen, Lemuren etc. des europaischen Tertiars. Theil I. — 



Palaeontolagie Oesterreich-Ungarns . Bd. VII. 



(29) The same. Theil U. — Ibid. Bd. VIII. 



(30) Die Differenzirung des Saugethiergebisses. — Biolog. Centralblatt. 



Bd. X. 



(31) Scott, W. B. — Beitr. z. Kenntnis d. Oreodontidae. — Morphologisches 

 Jahrbuch. Bd. XVI. 



(32) Wallace, A. R. — Darwinism. — London, 1889. 



(33) Weismann, A. — Essays upon Heredity, etc. — Oxford, 1889. 



.(34) Wortmanx, J. L. —Comparative Anatomy of the Teeth of the Verte- 

 brata, in American System of Dentistry. 1886. 



