I 



9 



49. OmcHCcmeeitmin 3aimcKii. 1858. <I>cBpa.ib. C.-IIe'rep6ypri>, 1858. in 8°. 

 De la part de la rédaction. 



50. Report of the Superintendent of Ihe coast survey showing the pro- 

 gress of the survey during the year 1855. Washington, 1858. in 4°. 

 De la part de Mr. le Professeur A. D. Bâche à Washington. 



51. Proceedings of the american philosophical Society. Vol. 6. July - 

 December 1856. Philadelphie, 1857. in 8°. De la part de la Société 

 américaine philosophique de Philadelphie. 



52. Transactions of the american philosophical Society held at Phila- 

 delphia. Vol. XI. New séries, part 1. Philadelphia, 1857. in 4°. De la 

 part de la Société américaine philosophique de Philadelphique. 



53. Leidy, Ioseph. Notice of remains of the Walrus discovered on the, 

 coast of the united states. (From the Transactions.). Philadelphia, 

 1857. in 4°. De la part de l'auteur. 



54. A memoir of the extinct sloth tribe of Norlh America (Plates 



16.) Washington, 1855. in 4°. De la part de l'auteur. 



55. On the extinct species of american Ox. — description of an 



extinct species of american Lion und extinct Dicotylinae of America 

 (Plates 10). Philadelphia, 1852. in 4°. De la part de l'auteur. 



56. The ancient fauna of Nebraska (Plates 25.). Washington, 



4853. in 4°. De la part de l'auteur. 



57. Descriptions of some remains of fishes from the carbonife 



rous and devonian formations of the united states. — Descriptions of 

 the some remains of extinct mammalia. Philadelphia, 1856. in 4°. De 

 la part de l'auteur. 



58. Le Conte, Iohn. L. On Platygonus compressus: a new fossil Pachy- 

 derm. (Extr.) in 4°. 15e la part de l'auteur. 



59. Walz, G. F. und Winkler, F. L. Neues Jahrbuch fur Pharmacie. 

 Band VIII. Heft 1. Speyer, 1857. in 8°. De la part de la rédaction. 



60. Rivista periodica dei lavori délia I. R. Academia di scicnze, littere 

 ed arti in Padova. Vol. 5. N° XI. ed XII. Padova, 1857. in 8°. De la 

 part de l'Académie 1. R. des sciences de Padoue. 



V 



