liv GEOLOGICAL AND PALEONTOLOGICAL KELATIOX.S 



18G9. 



Conrad, T. A. Descriptions of and Eeferences to Miocene Shells of 

 the Atlantic Slope, and Descriptions of two new supposed Cretaceous 

 Species. 



Amer. Jour. Conch., voL iv, 1869, pp. 278-279. 



Descriptions of New Fossil Mollusca, principally Cretaceous. 



Amer. Jour. Conch., vol. v, 1869, pp. 96-103, pi. ix. 



Notes on Eecent and Fossil Shells, with Descriptions of new 



Genera. 



Amer. Jour. Conch., vol. iv, 1869, pp. 246-249. 



Descriptions of Miocene, Eocene and Cretaceous Shells. 



Amer. Jour. Conch., vol. v, 1869, pp. 39-45, pis. i and 11. 



Cope, E. D. Third Contribution to the Fauna of the Miocene Period 

 of the United States. 



Proc. Acad. Nat. Sci., Phila., vol. xxi, 1869, pp. 6-12. 



Leidy, Joseph. The Extinct Mammalian Fauna of Dakota and Ne- 

 braska, including an account of some allied forms from other localities, 

 together with a 83aiopsis of the Mammalian Eemains of North America. 



Jour. Acad. Nat. Sci., Phila., 2nd ser., vol. vii, pp. 1-472. 



Logan, Wm. E. Geological Map of Canada and tlie Northern United 

 States. 



(Rev.) Amer. Jour. Sci., 2nd ser., vol. xlix, 1870, pp. 394-398. 



1870. 

 Cope, E. D. The Fossil Eeptiles of New Jersey. 



Amer. Nat., vol. iii, pp. 84-91. 



Marsh, 0. C. Notice of some Fossil Birds from the Cretaceous and 

 Tertiary Formations of the United States. 

 Amer. Jour. Sci., ser. ii, vol. xlix, pp. 205-217. 



1871. 



Cope, E. D. Synopsis of the Extinct Batrachia, Eeptilia and Aves of 

 North America. 



Trans. Amer. Philos. Soc, vol. xiv, pp. 1-252. 



1872. 



Hitchcock, C. H. Description of the Geological Map. 

 Ninth Census, vol. iii, Washington, 1872, pp. 754-756. 



