April, 1S45. 225 



A fragment of the rock composing the second Pyramid of 

 Ghizeh. From G. R. Gliddon, Esq. 



DONATIONS TO LIBRARY. 



Final Report on the Geology and Mineralogy of the State of 

 New Hampshire. By Charles T. Jackson, M. D. 4to. 

 Concord, N. H., 1S44. From the Author. 



The Literary Record and Journal of the Linnasan Association 

 of Pennsylvania College, Nos. 1 to 6 inclusive, Vol. 1. 

 From the Association. 



Reports on the Washington silver mine in Davidson Co., N. C. 

 By Richard C. Taylor. Philadelphia, 1845. From the 

 Author. 



Two sheets of figures of the fossil zoophytes of Western 

 Ohio. From Mr. J. W. Van Cleve, of Dayton, Ohio. 



Message from the President of the United States, transmit- 

 ting a treaty between the IT. S. and the Ta Tsing Empire. 

 From Prof. Johnson. 



Report of the Commissioner of Patents, showing the ope- 

 rations of the Patent Office during the year 1844. From 

 the same. 



Report to the Navy Department of the United States, on 

 American coals applicable to steam navigation and to 

 other purposes. By Walter R. Johnson. From the Au- 

 thor. 



The following works in pamphlet form were presented by 

 the author, M. Pagani : 



Note sur la theorie Algebraique des logarithms. 



Qnelques considerations mathematiques sur les vents alizes. 



Note sur une nouvelle maniere de parvenir aux equations 

 fondamentales de l'hydrodynamique. 



Note sur quelques transformations Algebraiques. 



Note sur quelques transformations des equations relatives au 

 movement d'un point. materiel. 



Note sur la maniere de parvenir aux equations fondamentales 

 de l'hydrodynamique. 



