228 
PROCEEDINGS OF 
[1842. 
To Joseph Delafield, New York, February 19,1842 : Respecting 
Count Castelnau, Sic., Sic. 
To Robert Walsh, Paris, February 23, 1842: Directing him, by 
permission of Secretary of State, to forward books, Sic., for the In¬ 
stitution to Department of State—Guizot’s picture, Sic., Sic. 
To H. J. Rogers, Baltimore, February 25, 1842: Informing him 
of the disposition made of his letter and telegraph. 
Letters and Communications . 
From Marquis de Gerando, Paris, November 1, 1841. 
From Robert Walsh, Paris, December 14, 1841: Enclosing a note 
from Baron Dupin, respecting his election as corresponding member, 
and asking how he is to forward books, Sic., given him for the Insti¬ 
tute.—M. Guizot’s picture. 
From H. H. Sylvester, Washington, February 17, 1842. 
From Charles Vignolles, Professor Civil Engineering, University 
College, London, January 6, 1842: Acknowledging membership, 
and presenting a pamphlet on the means of obtaining locomotion on 
railways by atmospheric pressure. Is preparing several railway 
surveys on this principle, which he will communicate to the National 
Institute. 
From Capt. Wm. Denison, Royal Engineers, Woohvich, January 
20, 1842. 
From William Sidney Green, M. D., Salem and Memphis, 
Tennessee, February 2, 1842: Communicating a manuscript essay 
on meteorology, and a pamphlet containing an essay on the sense of 
hearing, embracing a new theory of the production of sound. Will 
collect and send specimens of natural history to the Institute. 
From Wm. Edward Coale, U. S. Navy, Boston, February 8, 
1842: Offering suggestions as to the best modes of collecting and 
exchanging specimens, and a pamphlet on the subject, prepared by 
himself and others, for the Maryland Academy of Sciences, Sic. 
From Asa Christie and J. J. Beardslee, (to Col. Abert,) Man- 
heim, Herkimer County, New York, February 16, 1842: Offering 
their services to collect moose, and other zoological specimens for 
the Institute, if sufficient inducement be held out to them. 
From Capt. F. Buchanan, U. S. Navy, Annapolis, February 18, 
1842. 
From Capt. R. C. Buchanan, U. S. Army, Florida, February 
20, 1842. 
From Henry J. Rogers, Baltimore, February 21, 1842. 
From J. H. B. Latrobe, Baltimore, February 25, 1842 : Offering 
explanation of his remarks respecting the dome of the capitol, Sic. 
From Rev. C. B. Hadduck, Dartmouth College, New Hampshire, 
February 29, 1842: On the importance of cultivating Christian 
literature. 
