430 E. S. GOODRICH. 



7. Cope, E. D. — " The Mechanical Causes of tlie Development of Mie Hard 



Parts of Mammalia," ' Journ. of Morph.,' vol. iii, 1889. 



8. CuviEK. — 'Ossements Fossiles,' vol. v, 1824. 



9. DuMERiL. — ' Comptes rendus,' 1838. 



10. Forsyth, Major C. J. — "On some Miocene Squirrels, with Remarks 



on the Dentition and Classification of the Sciurinse," ' Proc. Zool. 

 Soc.,' 1893. 



11. Grant. — " General View of the Characters and Distribution of Extinct 



Animals," ' Thomson's British Annual,' 1839. 



12. Lydekker, R. — 'British Museum Catalogue of Fossil Mammalia,' 



part V, 1887. 

 12a. Marsh, 0. C. — " Notes on Mesozoic Mammalia," ' Amer. Naturalist,' 

 vol. XXV, 1891. 



13. Ogilby, W. — " Observations and Relations of the Presumed Marsupial 



Remains from the Stonesfield Slate," 'Proc. Geol. Soc.,' vol. iii, 

 1838-42. 



14. OsBORN, H. F. — "The Structure and Classification of the Mesozoic 



Mammalia," 'Journ. Acad. Nat. Sci. Philadelphia,' vol. ix. No. 2, 

 1888. Abstract of the above, 'Proc. Acad. Nat. Sci. Philadelphia,' 1887. 



15. OsBORN, H. F. — " Additional Observations upon the Structure and 



Classification of the Mesozoic Mammalia," ' Proc. Acad. Nat. Sci. 

 Philadelphia,' 1888. 



16. OsBORN, H. F. — "Evolution of Mammalian Molars to and from the 



Tritubercular Type," 'American Naturalist,' 1888. 



17. OsBORN, H. F. — " History and Homologies of the Humaa Molar Cusps," 



' Anat. Anzeiger,' vol. vii, 1892. 



18. Owen, R. — "On the Jaws of the Thylacotherium Prevostii 



(Valenciennes) from Stonesfield," p. 5, and " Description of the 

 Remains of Marsupial Mammalia from the Stonesfield Slate," p. 17, 

 ' Proc. Geol. Soc.,' vol. iii, 1838. 



19. Owen, R. — " Observations on the Fossils representing Thylacotherium 



Prevostii (Valenciennes), &c.," and "Of the Phascolotherium," 

 ' Trans. Geol. Soc.,' vol. vii, 2nd series, 1842. 



20. Owen, R. — 'A History of British Fossil Mammals and Birds,' 1846. 



21. Owen, R.—' Odontography,' 1840-5. 



21*. Owen, R. — "On the affinities of the Stereognathus ooliticus, 

 &c.," ' Quart. Journ. Geol. Soc.,' vol. xiii, 1857. 



22. Owen, R.— ' Palaeontology,' 1861. 



23. Owen, R. — 'Monograph of the Fossil Mammalia of the Mesozoic 



Formations,' Palseontogr. Soc., 1871. 



