CORRESPONDENCE. 3 



Dr. C. A. Helmuth, Chicago, June 6th, describing a monstrous specimen oi 

 Hydaticus zonatus, from the shores of Lake Michigan. 



July 5th. From the Wiener Entomologische Monatschrift, June 8th, 1859, 

 and Dr. Adolf Weiss, Vienna, Dec. 15th, 1858, severally transmitting publi- 

 cations. 



Prom H. De Saussure, (no date) acknowledging the receipt of certain du- 

 plicates. 



12th. From the K. Slichsische Gesellschaft der Wissenschaften, Leipsic. 

 Feb. 14th, 1859 ; 



Acadomie des Sciences, Arts et Belles Lettres de Dijon, Nov. 7th, 1858 ; 



K. K. Geologische Reichsanstalt, Vienna, Nov. 25th, 1858 ; 



Bataafsch Genootschap der Proofondervindelijke Wigsbegeerte, Rotterdam, 

 March 7th, 1859 ; 



K. Leopold. Carol. Akad. der Naturforscher, Jena, June 28th, 1859 ; 



Naturhistorischer Verein in Augsburg, (no date); 



Sociite de Physique et d'Histoire Naturelle de Geneve, Nov. 20th, 1858 ; 



Verein far Vaterhindische Naturkunde in Wiirttemburg, Stuttgart, Dec. 5th. 

 1858; severally transmitttng their publications and acknowledging the receipt 

 of those of the Academy. 



July 19th. From C. J. Hering, Surinam, June 16th, 1859, accompanying 

 donations. 



Aug. 2d. From Nicholas H. Riley, New York, July 30th, 1859, accompany- 

 ing papers on Terrestrial Magnetism and Gold. 



2th. From Mr. E. P. Wright, Dublin, regarding exchanges. 



Idtk. Erom the Dublin University Zoological and Botanical Association, 

 May 21st, 1859, acknowledging the receipt of the publications of the Academy. 



23rf. From N. Holmes, corresponding Secretary of the St. Louis Academy 

 of Natural Sciences, July 6th, 1859, acknowledging the receipt of specimen-. 



From G. P. Fisher, Sing Sing, New York, July 26th, 1859, describing a frag- 

 ment of the antler of a Reindeer, from a peat bed in that vicinity. 



Oct. 4th. From E. Uricoechea, dated Bogota, Sep. 10th, announcing the 

 formation of the Society of Naturalists of New Grenada, and desiring donations. 



llth. From T. C. Downie, Brunswick, Geo., Sep. 30th, 1859, acknowledg- 

 ing his election to membership. 



American Board of Foreign Missions, Oct. 5th, 1859, acknowledging the re- 

 ceipt of an invitation to visit the Museum of the Academy. 



Geological Society of London, April 7tb, 1859, acknowledging the receipt of 

 the publications of the Academy. 



ISth. From Eli Bowen, Pottsville, Pa., Oct. 11th, offering for sale a collec- 

 tion of carboniferous fossils. 



Nov. 1st. From Lingard A. Frampton, Charleston, S. C, Oct. 29th, ac- 

 knowledging his election to membership ; 



E. Ferreira Franga, in the service of his majesty Don Pedro II., Emperor of 

 Brazil, Leipsig, Nov. 10th, desiring exchanges ; 



F. A. Bockhaus, Librarian in the service of the same, accompanying the 

 letter of Dr. Franga ; 



Royal Society of Sciences of Gottingen, May 23d, 1859 ; 



K. Preussische Akad. der Wissenschaften, Berlin, April 12th ; 



Naturhistorischer Verein der Preussischen Rheinlande und Westphalenf, 

 Bonn, Feb. 10th, 1859 ; severally acknowledging the receipt of the publications 

 of the Academy. 



Societe Imperiale des Naturalists de Moscou, June 5th and 11th, 1859; 



Senckenbergische Naturforschende Gesellschaft, Frankfurt-am-Main, June 

 9th, 1859 ; 



Naturforschende Gesellschaft in Emden, June 22d, 1859, severally trans- 

 mitting their publications. 



26 



