314 PROCEEDINGS OF [1843. 



From Dr. Frederick Tamnau, Jr., Berlin, May 24, 1843: Pro- 



posino exchanjies, and enclosino; list of minerals, &.c. 



From Michael Mahon, U. S. Con=;ul, St. Ja^o de Cuba, May, 

 1843 : Has shipped a box of copper ores from the mines of Cobre, 

 per brig Emily, Capt. John H. Bernadon, bound for Philadel- 

 phia. 



From H. Wheaton, he, Berlin, June 1, 1843: On Baron Von 

 Hundjoldl's work on the physical ifcoiiraphv of Ceniral Asia, 



From Rev. David Thoni, Liverpool, June 2, 1843; Acknow- 

 lednrinir letter ; is his^hly gratified at beintf made a member of the 

 Institute ; will shortly forward, through Mr. J. B. Muiray, of New 

 York, several works by himself and his brother, now acting British 

 Consul, at Canton, a distinguished Chinese scholar. 



From Dr. Thomas Sevvall, London, June 3, 1843: Remarks of 

 eminent persons with whom he has conversed concerning the Insti- 

 tute, showing their favorable feelings, &c. 



From C. S. Todd, American Minister, St. Petersburg, -^'g. June: 

 Acknowledging letter of 13th of May : has submitted it to M. Pierre 

 ChicachefF, whose promised books and maps will be sent to the In- 

 stitute by the first opportunity. 



From Hon. Richard Rush, Philadelphia, June 7, 1843: Present- 

 ing several valuable works, and offering observations respecting 

 the Smithson fund, in continuation of a former letter on the same 

 subject. 



From Thomas C Shelden, Detroit, June 10, 1843: Has forward- 

 ed by W. T. Carroll, of Washington, a specimen of seleniie, from 

 Grand River, where it occurs in great quantity, and asks its quality, 

 &c. 



From J. V. C. Smith, Boston, June 10, 1843: Presenting thanks 

 for his election, and otiering to forward soon to the institute some 

 presents worthy of acceptance. 



From William Ferguson, London, June 10, 1843. 



From Abiel Abbott, Peterboro, New Hampshire, June 12, 1843: 

 Will aid the Institute, &.c. 



From Cyrus Mendenhall, (to Mr. Ellsworth,) Cleaveland, Ohio, 

 June 17, 1843: OlTering to deliver at Washington, for ^ 1500, the mass 

 of native copjjer now lying on the Ontanagon river, lake Superior. 



From Lieut, Cadwalader Ringgold, U. S. Navy, Baltimore, June 

 19, 1843. 



From Ambrose Baber, Charge d'Aflaires, Turin, June 20, 1843 : 

 Stating that Mr, Lester, Consul of the United States, at Genoa, will 

 ship, via New York, the volunies referred to in his last letter; also, 

 that the Professor of Natural History in the Royal Academy of 

 Sciences will send by the same vessel a box of books, iiic, as a 

 present for the Institute. 



From William Anderson, Washington, June 23, 1843: Commu- 

 oicating a paper on the French Revolution. 



