ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES 1 



Tuesday, February 6: The Botanical Society, at the Cosmos Club, at 

 8 p.m. The program will consist of a symposium: The relation of 

 plant succession to forestry and grazing. Speakers: J. V. Hoffman, 

 G. G. Bates, Arthur W. Sampson, and E. O. Wooton. 



Tuesday, February 6: The Anthropological Society, at the Public 

 Library, at 8 p.m. Program: 



J. Walter Fewkes : Prehistoric ruins in the Mesa Verde National Park. 



Tuesday, February 6 : 'The Society of Engineers, at Rauscher's, 1034 

 Connecticut Ave. N. W., at 8 p.m. 



Wednesday, February 7 : The Medical Society, at the Medical Depart- 

 ment of George Washington University, 1325 H Street N. W., at 8 p.m. 



Thursday, February 8: The Chemical Society, at the Cosmos Club, 

 at 8 p.m. 



Saturday, February 10 : The Biological Society, at the Cosmos Club, 

 at 8 p.m. 



Wednesday, February 14: The Geological Society, at the Cosmos 

 Club, at 8 p.m. 



Wednesday, February 14: The Medical Society, at the Medical De- 

 partment of George Washington University, 1325 H Street N. W., 

 at 8 p.m. 



Saturday, February 17 : The Philosophical Society, at the Cosmos Club, 

 at 8.15 p.m. Program: 



H. Bateman (by invitation): The nature of chemical forces. 30 minutes. 

 L. B. Loeb: The electron theory of valence. 30 minutes. 



•The programs of the meetings of the affiliated societies will appear on this page if sent to theedito 

 by the thirteenth and twenty -seventh day of each month. 



