ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES 1 



Thursday, April 19 : The Philosophical Society, at the Cosmos Club, 

 at 8.15 p.m. Program: 



1. Langmtjir: The constitution of liquids (illustrated). 



Saturday, April 21: The Biological Society, at the Cosmos Club, at 

 8 p.m. 



Wednesday, April 25 : The Geological Society, at the Cosmos Club, 

 at 8 p.m. 



Tuesday, May 1: 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 ths thirteenth and twenty-seventh day of each month. 



