Preface. XV 



17. TJu- Cranial Evolution of TitanoiheriiiDi. By Henry Fairfield 



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18. Psittacothcrium, a Member of a Neiv and Priniiti^'e Suborder of the 



Edentata. By Dr. J. L. Wortman. Vol. VI II, Article xvi, pp. 

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1897 



19. 77ie Ganodonta and tlieir Relations Iiip to the Edentata. By J. L. 



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20. The Huetfano Lake Basin, Son t hern Colorado, and its Wind 



River and Bridger Eanna. By Henry Fairfield Osborn. \'ol. 

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21. A Re7'ision of the Puereo Fauna. By W. D. Matthew. \'ol. IX, 



Article xxii, pp. 259-323, and 20 text figures. November 16, 



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List of Casts, Models, Photographs of Skeletons and of Restorations, 

 issued March 15, 1898. Price, 40 cents. 



BULLETINS. 



Contents of Volume II. 



i8g8 



22. A Complete Skeleton of Teleoceras fossiger. Notes upon the Growth 



and Sexual Characters of this Species. By Henry Fairfield 

 Osborn. Vol. X, Article iv, pp. 51-59, pH. iv, \\a. March 18, 



1898. Price, 25 cents. 



23. A Complete Skeleton of CorypJiodon 7-adians. Notes upon the Loco- 



motion of this Animal. By Henry Fairfield Osborn. Vol. X, 

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24. TJie Extinct Camelidce of Nortli America and some Associated Forms. 



By J. L. Wortman, M.D. Vol. X, Article vii, pp. 93-142, pL 

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25. Remounted Skeleton of Phenacodus primcevus. Comparison with 



Eitprotogonia, By Henry Fairfield Osborn. Vol. X, Article ix, 

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26. Evolution of the Amblypoda. Part I. Taligrada and Pantodonta. 



By Henry Fairfield Osborn. Vol. X, Article xi, pp. 169-218, 

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