ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES 1 



Saturday, May 20: The Biological Society, at the Cosmos Club, at 

 ' 8 p. m. 



Wednesday, May 24: The Philosophical Society, at the Cosmos Club, 

 at 8 :15 p. m. The program will consist of a symposium on the atom : 



H. L. Curtis: The atom as a miniature solar system. 35 minutes. (Discussion 

 will be led by P. G. Agnew.) 



W. J. Humphreys: The magnetic field of an atom. 25 minutes. (Discussion 

 will be led by W. F. G. Swann.) 



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

 editors by the first and fifteenth days of each month. 



