"212 CONTEXTS. 



VV. H. Chase, Major U. S. Engineer Corps; Pensacola, April 15, 1841 : Sends 

 original letters of distinguished men of the Revolution, selected from the 



papers of his aunt, Mrs. Hancoci<, to be deposited in the Institution 90 



P. S. Du Ponceau, President A. P. S. ; Philadelphia, May 6, 1841 : On the 

 means of advancing the general interests of the National Institution 90 



Alexander J. Swift, Captain U. S. Engineers; Washington, June 24, 1841: 

 On the mode used in France to fix the moveable sands on the sea shore by 

 planting pines 96 



Hon. Danijl Webster, Secretary of State; Correspondence between him and 

 Messrs. Abert, Ellsworth, and Force, forming a Committee of the National 

 Institution, respecting the approi>riation of the upper rooms of the Patent 

 OfRco to the use of the Institution 100 



John Pickering; Boston, September 1, 1841 : On the means of advancing the 

 general objects and interests of the Institution 107 



F. L. Castelnau, U. S. Consul at Lima ; Washington, July 22, 1841 : On de- 

 positing with the National Institution his cabinet of Entomology 110 



Brantz Mayer, Secretary of U. S. Legation to Mexico ; Washington, Septem- 

 ber 11, 1841 : Praising .Mr. Stevens for his researches in Central America, 

 and ofToring his services 112 



Asbury Dickins, Secretary of the late Columbian Institute; Washington, July 

 17, 1842 : Membjrs of the Columbian Institute accept the otfer of the Na- 

 tional Institution to become members of the latter, and to deposit with it the 

 books and papers of the Columbian Institute 113 



<ieorge Engelmann ; St. Louis, October 21, 1841 : Accompanying present of 

 plants of a new specios found near St. Louis 118 



Aaron Vail, U. S. Charge d'Affaircs at Madrid ; Madrid, August 12, 1841 : Ac- 

 count of his visit to the site of the ancient Ilalica, on the Guadalquivir 125 



(Jeorgo Moore, U. S. Consul at Trieste; Trieste, October 7, 1841 : Account of ■ 

 river Recca, near Trieste, which runs under ground for some miles 126 



Charles Serruys, Charge d'Atfaires of Belgium; Washington, Di-cemberS, 1841 : 

 Accompanying a present of Belgian medals from his Government 127 



A. A. Harwood, Lieutenant U. S. N.; N^w-York, November 16, 1841 : De- 

 scribes a moilc of co[)ying inscriptions in stone, by pressing moist paper on 

 them 127 



Hon. Joseph R. IngersoU, member of Congress I'rom Piiiladelphia ; Washing- 

 ton, December 13, ltf41 : Respecting the possibility of obtaining tlie gallery 

 of paintings of the late Cardinal Fesch, now belonging to Joseph Buona- 

 parte 128 



Hon. John C. Spencer, Secretary of War, and Abel P. U|>shur, Secretary of 

 the Navy ; December 3, 1841 : Acknowledging receipt of letters informing 

 them of their being ex-officio Directors of the National Institution, and de- 

 daring tiicir readiness to aid the Institution, <Scc 130 



John H. B. Latrobc ; Baltimore, December 18, 1841 : Otfers to the Institution the 

 drawings of the various plans proposed for tiie Capitol of the United States, 

 at Washington, found among the papers of his father, the first architect of 

 that building - 136 



Alexandre Vattcmare ; Marly le Roi, September 28, 1841 : On the subject of 

 exchanges of minerals, Slc, accompanied by llic following letter : 



i 



