ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES^ 



Wednesday, October 20: The Washington Society of Engineers, at the 

 Cosmos Club, at 8 p. m. Program: 



H. R. Stanford: The Pearl Harbor dry^dock., Hawaii. Illustrated. 



Wednesday, October 27: The Geological Society, at the Cosmos Club 

 at 8 p. m. 



Thursday, October 28; The Society of American Foresters, at the 

 home of Hemy S. Graves, 3454 Newark Street, N. W., at 8.15 

 p. ni. Program: 



Henry S. Graves: The public land policy of the United States. 



Saturday, October 30: The Philosophical Society, at the Cosmos Club, 

 at 8.15 p. m. Program: 



F. E. FowLE : Transparency of air and aqueous vapor. Illustrated. 20 minutes. 

 Irwin G. Priest: A simple spectral colorimeter of the monochromatic type. 20 



minutes. 

 Informal communications. 



Tuesday, November 2: The Anthropological Society, in the West 

 Study Room of the Public Library, at 8 p. m. Program: 



Walter Hough: Progress in anthropology in California. 



Wednesday, November 3 : The Washington Society of Engineers, at 

 the Cosmos Club, at 8 p. m. Program: 



Chas. E. Munroe : Explosives as an aid to engineering. 



Thursday, November 4: The Entoniological Society, at Saengerbund 

 Hall, at 8 p. m. Program not completely arranged. 



W. Dwight Pierce : The habits of weevils. 



iThe 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. 



