1841.] THE NATIONAL INSTITUTION. 81 
Pytheas de Marseille, et la Geographie de son temps, par Joachim 
Lelewel.— From Mr. KallussowsJci , West River , Md. 
Monograph of the Bivalve Shells of the river Ohio, translated from 
the French of C. F. Rafinesque, by C. A. Poulson.— From C. A. 
Poulson. 
New fresh water Shells of the United States, by T. A. Conrad.— 
From C. A . Poulson. 
History of the Federal Government, for the last fifty years, by Dr. 
Alden Bradford.— From the Author. 
Report of the Geological Survey of Virginia, for 1840, by W. B. 
Rogers.— From the Author. 
Fifth Annual Report of the Geological Survey of Pennsylvania, by 
Henry D. Rogers.— From the Author. 
Journal of a Voyage to New South Wales, with engravings, by 
White, 1 vol. 4to.; London.— From J. G. Bruff. 
Letters were read :— 
From A. T. Donnet, acting Charge d’Affaires of the United States, 
Lisbon : Stating that he had forwarded a suite of polished and rough 
Portuguese marbles. 
From Captain George W. Hughes, United States Army, Brussels : 
Stating that Mr. Foster, a corresponding member, had placed in his 
hands a collection of scientific books for the Institution. 
From D. B. Warden, Paris: Announcing that the Minister of Pub¬ 
lic Works, of France, had authorized a collection of minerals to be 
made for the Institution. 
From M. Quetelet, Astronomer Royal, Brussels: Announcing a 
present from him of a number of scientific volumes. 
From D. S. Macauley, United States Consul, Tripoli: Offering to 
the Institution his collection of Ornithological and other specimens, 
and expressing a purpose of collecting for the Institution. 
From Captain George W. Hughes, United States Topographical 
Engineers : Transmitting two communications; one being the first part 
of Observations on the Copper and Tin mines of Devon and Cornwall. 
The other, “ Notes made during a tour through Belgium.”* 
* Published in the Journal of the Franklin Institute, Philadelphia. 
