OF ARTS AND SCIENCES. 95 



emy's Proceedings, and stated the fact that his system had 

 been adopted by Dumas, and offered to the world without 

 proper credit to the author. 



Four buudred and Afty-third meeting. 



August 12, 1858. — Stated Meeting. 



The President in the chair. 



The Corresponding Secretary read letters from the Director 

 of the Observatoire Physique Central, St. Petersburg, July 21, 

 1857; Koniglich Sachsische Gesenschaft der Wissenschaf- 

 ten, October 1, 1857 ; Director der Sternwarte, Breslau, Jan- 

 uary 5, 1858 ; Director der Sternwarte, Prag, January 6, 1858 ; 

 Linnaean Society, London, January 8, 1858 ; and the Societe 

 Royale des Antiquaires du Nord, Copenhagen, January 30, 

 1857, and March 27, 1858, acknowledging the receipt of the 

 Academy's publications; — from the Koniglich Bayerische 

 Akademie der Wissenschaften, Munich, December 12, 1857, 

 acknowledging the same, asking that deficiencies may be 

 made up, and presenting various publications ; — from the 

 Koniglich Preussische Akademie der Wissenschaften, Octo- 

 ber 24, 1857, presenting its publications, and acknowledging 

 the receipt of those of the Academy ; — from the Societe Lin- 

 n^enne de Lyon, July 21, 1854 ; Administration Imperiale 

 des Mines, St. Petersburg, May 15, 1857 ; Societe Impe- 

 riale des Naturalistes de Moscou, July 1, 1857 ; Koniglich 

 Sachsische Gesenschaft der Wissenschaften, Leipzig, Oc- 

 tober 1, 1857 ; and the Kaiserlich-Konigliche Geologische 

 Reichsanstalt, Wien, May 20, 1857, presenting their various 

 publications ; — and from the last, acknowledging the receipt 

 of the Academy's publications, June 27, 1857. Also from 

 T. Edwards Clark, May 27, accepting the Fellowship of the 

 Academy ; from Dr. William Sharswood, Philadelphia, June 

 17, accompanying a sealed parcel, indorsed " An Account of 

 a Discovery in Chemistry," desiring that it might be deposited 

 with the Academy until he should give directions for the seal 



