1842.] THE NATIONAL INSTITUTION. 151 



A Brief description of the Agaricus atramentarius, with a statement 

 of some of its singular properties, and a lithographic view of the 

 plant in its different changes, by John Redman Coxe, M. D., of 

 ' Philadelphia ; 1842. — From the Author. 



Catalogue of the Officers and Students of Dartmouth College, 1840, 

 1841, 1842. — From the Rev. William Cogswell. 



Comparison of Weights and Measures of length and capacity, &c., 

 made by F. R. Hassler, Washington, 1832, (22d Congress, 1st 

 Session, Doc. 299, House of Reps.) — From F. R. Hassler. 



Principal documents relating to the Coast Survey of the United 

 States, since 1816, published by Mr. Hassler, Superintendent of 

 the Survey ; New- York, 1834. — From the same. 



Second volume of principal documents of Coast Survey, from Octo- 

 ber, 1834, to November, 1835, by the same. — From the same. 



Third volume of principal documents of Coast Survey, and the con- 

 struction of uniform standards of Weights and Measures for the 

 Custom Houses and States, from November, 1835, to November, 

 1836, by the same ; New- York, 1836. — From the same. 



Documents relating to standards of Weights and Measures, from 1832 

 to 1835, by the same ; 1836. — From the same. ''^»'i> ^' 



Report of the Secretary of the Treasury, transmitting Report of Mr. 

 Hassler, (25th Congress, 2d Session, Senate.) — From the same. 



Report of the Secretary of the Treasury, transmitting Report of Mr. 

 Hassler, showing the progress of Coast Survey, and of the fabri- 

 cation of standard Weights and Measures, (25th Cong., 3d Session, 

 Senate.) — From the same. 



Letter from the Secretary of the Treasury, communicating Annual 

 Report of Mr. Hassler, on the Coast Survey, and Weights and 

 Measures, (26th Cong., 1st Sess., Senate.) — From the same. 



Letter from the Secretary of the Treasury, transmitting Report of Mr. 

 Hassler, on standard Weights and Measures, (26th Cong., ist Sess., 

 Ho. of Reps. Doc. No. 261.) — From the same. 



Letter from the Secretary of the Treasury, transmitting Report of Mr. 

 Hassler, on the Coast Survey, and Weights and Measures, (26th 

 Cong., 2d Sess., Ho. of Reps. Doc. No. 14.) — From the same. 



Letter from the Secretary of the Treasury, transmitting Report of Mr. 



