THE NATIONAL INSTITUTION. 
71 
1841.] 
Popular Lectures on Geology, by K. C. Van Leonhard, No. 3, 
1840. — From Dr, F. Hall. 
Tabulas de Don Gabriel Alijandro Real de Azua; Paris, 1839.— 
From the Author. 
JPcesias diversas, by the same; Paris, 1839.— From the Author. 
Treatise on the Uses and Advantages of compressed Peat; two 
copies.— From the author , Alexander S. Byrne. 
Annual Report of the Geologist of Maryland, 1840.— From the 
author , Dr. Ducatel. 
Astronomia Britannica; folio, 1669.— From Branch Taylor. 
Notice of the Daguerreotype, by W. E. A. Aikin, M. D., 1840.— 
From the Author. 
Theory of the Daguerreotype Process, by the same.-— From the 
Author. 
Catalogue of Phenogamous Plants and Ferns, native or naturalized, 
growing in the vicinity of Baltimore, by the same.— From the 
Author. 
Introductory Lecture delivered before the Medical class of the Uni¬ 
versity of Maryland, September, 1840, by the same.— From the 
Author. 
Course of Reading and Catalogue of Books, recommended by Chan¬ 
cellor Kent, of New-York.— From Samuel Sloan. 
Constitution, By-Laws, and Regulations of the Mercantile Library 
Association, Clinton Hall, New-York, March, 1840.— From Sam¬ 
uel Sloan. 
Nineteenth and twentieth Annual Reports (1840 and 1841) of the 
Mercantile Library Association.— From Samuel Sloan. 
Address delivered before the Mercantile Library Association, New- 
York, January 8, 1839, by J. H. Gouslie.-— From Samuel Sloan. 
Transactions of the Apollo Association for the Promotion of the 
Fine Arts in the United States, December 16, 1839.— From F. 
Marieoe , Jr. 
Mr. Whipple’s Report on Mr. Otis’s Letter; Boston, 1839.— From 
F. Markoe , Jr. 
The Committee consisting of Col. Abert, Mr. Dayton, and Mr. 
Markoe, appointed to correspond with the Departments of Govern- 
