566 



[Nov. 18, 



Prof. Chase then made a short communication, placing data 

 on the blackboard, to support a further enlargement of the 

 range of applications of his photodynamic theory to natural 

 phenomena; — and the meeting was adjourned. 



Stated Meeting^ Novemher 18, 1881. 



Present, 11 members. 

 President, Mr. Fealey, in the Chair. 



Mr. Sharpless accepted membership by letter, dated West 

 Chester, October 29, 1881. 



The Cincinnati Observatory acknowledged receipt of Pro- 

 ceedings No. 108. 



The Chapultepec Observatory of Mexico requesting ex- 

 changes, was placed on the list of correspondents to receive the 

 Proceedings regularly. 



Donations for the Library were received from the Royal So- 

 ciety of Tasmania ; the Greological Survey of India ; Imperial 

 Academy at St. Petersburg ; German Geological Society and 

 Society of Physics, Berlin ; Natural Science Union, Bremen ; 

 Neues Lausitzisches Magazin, Gorlitz ; Royal Saxon Society, 

 Fiirstliche Jablonowskischen Gesellschaft, and Zoologischer 

 Anzeiger, Leipsig ; Royal Grand Ducal Institute, Luxem- 

 bourg ; Society of Physics, Geneva ; Yaudoise Society, Lau- 

 sanne; Swiss Society; Anthropological Society, Zoological 

 Society, and Revue Politique, Paris ; Re vista Euskara, Pam- 

 plona ; Nature, London ; Royal Irish Academy, Dublin ; 

 Essex Institute, Salem ; Boston Natural History Society ; 

 Museum of Comparative Zoology, Cambridge; Mr. Aug. R. 

 ■Grote, Buffalo ; Pharmaceutical Association, Historical So- 

 ciety, Franklin Institute, and the Editor of the American 

 News, Philadelphia ; Department of the Interior, and W. J. 

 Hoffman, M. D., Washington; Astronomical Observatory of 

 Chapultepec ; Geographical and Statistical Society ; Editors of 



