ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES^ 



Tuesday, January 8: The Washington Academy of Sciences, at the 

 Cosmos Club, at 8.15 p.m. Program: 



Annual meeting for the reports of ofjUcers, announcement of elections, and other 



business. 

 Address of the retiring President of the Academy, Dr. W. H. Holmes: "Man's 



place in the Cosmos, as shadowed forth by modern science." 



Wednesday, January 9: The Geological Society, at the Cosmos Club, 



at 8 p.m. 

 Thursday, January 17: The Washington Academy of Sciences, at 



the Cosmos Club, at 8.30 p.m. Program: 



Major AuLD, of the British Mission: The use of gases in warfare, 



Saturday, January 19 : The Philosophical Society, at the Cosmos Club, 

 at 8.15 p.m. Program: 



E. T. Wherry: Certain relations between optical properties and crystal form, 

 and their bearing on the question of "crystal molecules" in organic compounds. 

 (By invitation.) 30 min. 



W. F. Meggers and C G. Peters: The refractive index and optical dis- 

 persion of air, 20 min. 



> The pn^ams of the meetings of the affiliated societiea will appear on thia page if sent to the 

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



