ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES 1 



Saturday, February 19: The Philosophical Society, at the Cosmos 



Club, at 8 p. m. Program: 

 William Bowie : Determination of the intensity of gravity on land in the United 



States. Illustrated, 30 minutes. 

 L. J. Briggs: Measurement of the acceleration of gravity at sea. Illustrated, 30 



minutes. 



i- 



Saturday, February 19 : The Medical Society of the District of Colum 

 bia is invited to meet with the George Washington University Medi 

 cal Society, at the Medical Department of George Washington Uni- 

 versity, 1325 H Street N.W., at 8 p. m. Program: 



Dr. John B,. Williams, of Rochester, N. Y.: Recent developments in the study 

 and treatment of diabetes mellitus. Illustrated. 



Wednesday, February 23: The Geological Society, at the Cosmos 

 Club, at 8 p. m. Program: 



Charles Butts: Faults of unusual character in central Pennsylvania . Illus- 

 trated, 20 minutes. 



Laurence La Forge : Resume of the geology of southeastern New England in 

 the light of field work done since 1908. Illustrated, 20 minutes. 



A. H. Brooks: Physiographic provinces of Alaska. Illustrated, 15 minutes. 



Note: The meeting of February 9, for which this program was originally an- 

 nounced, assembled and immediately adjourned out of respect to the memory 

 of C. Willard Hayes, former President of the Society. 



Wednesday, March 1 : The Washington Society of Engineers, at the 

 New Willard Hotel Ball Room, at 8 p. m. Program: 



William Barclay Parsons, Consulting Engineer, New York City: The Engi- 

 neer Reserve Corps. 



Saturday, March 4: The Philosophical Society, at the Cosmos Club, 

 at 8 p. m. 



Address of the retiring president, W. S. Eichelberger. 



!The 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. 



