ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES 1 



Saturday, December 22: The Philosophical Society, at the Cosmos 

 Club, at 8.15 p.m. Program: 



E. D. Williamson and L. H. Adams : Measurement of the compressibilities of 

 solids under hydrostatic pressure up to 12000 megabars. (Illustrated.) 30 

 minutes. 



N. S. Osborne and M. S. Van Dusen: Latent and specific heats of ammonia. 

 (Illustrated.) 30 minutes. 



Saturday, December 29: The Biological Society, at the Cosmos 

 Club, at 8 p.m. 



Friday, January 4 : The Botanical Society, at the Cosmos Club, at 

 8 p.m. 



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

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



