434 PROCEEDINGS; &,C. 



An Abstract of Magneiical and Meteorological Observations made 

 under the direction of the War Department, at the observatory of 

 Girard College, Philadelphia.—^. D. Bache, L. L. D. 



Exercises of the Tenth Meeting, Monday Evening, April 8. 

 Hon. John C. Spencer in the chair. 

 On the Moral Tendency of the Science and Learning of the Past and 



Present Centuries. — Hon. A. H. Everett, of Massachussetts. 

 On a Method of Determining the Centre of Population of a Country, 

 with its Application to the United Stales at each Census. — Profes- 

 sor R. i^J. Patterson, of Philadelphia. 

 Closing Address. — Hon. John C. Sjjencer.* 



LIST, 



Embracing the papers, iSfC, selected from those enumerated in the 

 foregoing exercises, for publication. 



1. Prayer, by the Rev. Mr. Butler. 



2. Opening Address, by John Tyler, President of the United 



States, and Patron of the National Institute. 



3. Introductory Discourse by the Hon, Robert J. Walker, of the 



U. S. Senate, one of the Directors of the Institute. 



4. Letter, from the Hon. Levi Woodbury, U. S. Senate. 



5. Address of the Hon. John Quincy Adams to the Ninth Meet- 



ing, at which he presided. 



6. Paper on the Smithsonian Bequest, from the Hon. Richard 



Rush. 



7. Closing Address, by the Hon. JohnC. Spencer. 

 To which are added — 



Memorial to Congress, of the National Institute. 



Memorial to Congress, of the Friends of Science. 



Charter of Incorporation. 



Constitution and By-laws. 



List of officers, and honorary, corresponding, paying correspon- 

 ding, and resident members ; and also of Societies, foreign 

 and home, in correspondence with the Institute. 



*Tbe National Intelligencer contained from day to day ampler notices of the«a 

 proceedings, and critiques and extracts from many of the papers. 



