CORRESPONDENCE. 3 



Imperial Academy of Sciences, Vienna, Feb. 4th and Oct. 11th, 1859 ; 



Linnsean Society of London, Jan. 1st, 1860 ; 



Natural History Society of Westphalia, Feb. 1st, 1860 ; severally acknow- 

 ledging the receipt of the publications of the Academy. 



Robert Champley, ' Scarborough, England, May 6th, 1860, acknowledging the 

 receipt of photograph of Alca impennis, &c. 



June 5th. Lyman C. Draper, Secretary of the Historical Society of Wiscon- 

 sin, in reference to exchanges. 



12th. Smithsonian Institution, June 6th, 1860, accompanying donation to 

 the Library. 



George Crowther, New York, May 17th. 1860, in reference to a supposed 

 new butterfly. 



19th. United States Legation, Paris, April 30th, 1S60, transmitting two 

 livraisons of the Annales des Mines. 



26th. E. R. Mordecai, Mobile, June 18th, 1860, acknowledging his election 

 to membership. 



July 3d. A. P. Turner, New Harmony, Indiana, June 25th. I860, offering 

 shells from Wabash river, &c. 



Royal Society of Edinburgh, March 9th, 1860 ; 



Imperial Society of Natural Sciences, Cherbourg, Jan. 20th, 1860 ; 



Smithsonian Institution, March 21st and June 15th, 1860 ; 



Geological Society of London, May 17th, 1860 ; severally acknowledging the 

 receipt of the publications of the Academy. 



H. W. Ravenel, Aiken, S. C, June 22d, 1860 ; 



War Department, Washington, June 18th, 1860 ; severally accompanying 

 donations to the Library. 



Dr. Hoernes, Vienna, April 23d, 1860 ; 



Prof. Edward Suess, Vienna, April 23d, 1860; 



Chas. Darwin, Kent, England, May 8th, 1860 ; 



Geo. R. Von Frauenfeld, Vienna, June 5th, 1860 ; 



M. Flourens, Paris, May 14th, 1860 ; severally acknowledging their election 

 as correspondents. 



17^. Royal Prussian Academy of Science, Berlin, Dec. 31st, 1859 : 



Senckenberg Natural History Society, Frankfort, Feb. 1st, 1860 ; 



Catholic University of Louvain, Nov. 18th, 1859 ; 



Natural History Society of Freiburg, May 10th, 1860 ; 



Royal Gardener's Society, Berlin, April 5th, 1860 ; severally accompanying- 

 donations to the Library, and acknowledging the receipt of the publications of 

 the Academy. 



Physico-Medical Society of Wiirtzburg, April 2d, 1860 ; 



Imperial Academy of Sciences, Vienna, March, 1860 ; 



Imperial Leopold Charles Dutch Academy of Natural History, Jena, Feb. 

 27th, 1860 ; severally accompanying donations to the Library. 



Imperial Leopold Charles Dutch Academy of Natural History, Jena, Feb. 

 18th, 1860, acknowledging the receipt of the publications of the Academy. 



24th. D. G. Elliott, New York, July 23d, 1860, acknowledging his election 

 to membership. 



Charles M. Wetherill, La Fayette, Indiana, June 15th, 1860, accompanying 

 a donation to the Museum. 



Royal Academy of Sciences, Letters and fine Arts, Belgium, Sept. 23d, 

 1858 ; 



Physico-Medical Society of Wiirtzburg, April 2d, 1860 ; severally acknow- 

 ledging the receipt of the publications of the Academy. 



Sept. 18th. J. Barrande, Paris, Aug. 20th, 1860, acknowledging his election 



