ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES^ 



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

 8 p. m. 



Tuesday, April 23 : The Anthropological Society, at the Public Library, 

 at 8 p. m. The Annual Meeting. 



The retiring President, William H. Babcock, will deliver an address on Some 

 ethnological and national j actors in the -present war. 



Thursday, April 25: The Chemical Society, at the Cosmos Club, at 8 

 p. m. 



Thursday, April 25: The Society of American Foresters, Program: 

 J, G. Peters, Austin Gary, and W. R. Mattoon: Southern forestry ■problems. 



Saturday, April 27: The Philosophical Society, at the Cosmos Club, 

 at 8 p. m. 



Thursday, May 2 : The Entomological Society. 



Saturday, May 4: The Biological Survey, at 8 p. m., the place to be 

 announced later. 



Tuesday, May 7: The Botanical Society, at 8 p. m., the place to be 

 announced later. 



Monday and Tuesday, April 22 and 23: The National Academy of 

 Sciences, at the Smithsonian Institution. A cordial invitation is 

 extended by the President of the National Academy of Sciences to 

 the members of the Washington Academy of Sciences to attend the 

 scientific sessions and the public lectures. 



The William Ellery Hale Lectures will be given by Professor John G. Merriam, 

 Professor of Paleontology, University of Galifornia, on the subject: The Be- 

 ginnings of Human History from the Geologic Record. 



These lectures will be held at 8 p. m. on Monday and 4 p. m. on Tuesday. 



Important reports on the work of the National Research Gouncil will be pre- 

 sented at the scientific sessions. 



> The programs of the meetings of the affiliated Societies will appear on this page if sent to the 

 editors by the thirteenth and twenfl^-soventh <rf each month. 



