ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES^ 



Saturday, November 23: The Philosophical Society, at the Adminis- 

 tration Building, Carnegie Institution of Washington, 16th and P 

 Streets, at 8.15 p.m. Program: 



W. F. Meggers: Photography of the red and infra-red solar spectrum. Illus- 

 trated. 30 minutes. 



A. J. Henky. The hot spell of August, 1918. 20 minutes. 



Saturday, December 7: The Philosophical Society, at the Adminis- 

 tration Building, Carnegie Institution, at 8.15 p.m. Forty-eighth 

 annual meeting, for the election of officers. 



' Tha pro-jrataa of tha mtjetiass of the affiliated aooieties will appear oa this page if sent to the 

 editors by the firtt and fifteenth days of each month. 



