ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES.^ 



Tuesday, January 19: Joint meeting of the Academy and the Biologi- 

 cal Society, at the National Museum, at 8.30 p.m. Program: 



Dr. Johan Hjort; Migrations and flunctualions of the marine animals of west- 

 er n Europe. 



Tuesday, January 19: The Anthropological Society, at the Public 



Library, at 8 p.m. Program: 

 Kumar Ghosh of Thoshpasa: The ancient civilization of India. 



Tuesday, January 19: The Washington Society of Engineers, at the 

 Cosmos Club, at 8 p.m. 



Wednesday, January 20: The Medical Society, at the Medical Depart- 

 ment of George Washington University, at^ p.m. 



Thursday, January 21 : The Society of American Foresters at the resi- 

 dence of Mr. A. F. Potter, 1307 P Street, N. W., at 815 p.m. 

 Program : 



Smith Riley; Game of the National Forests. (To be jiresented by J. W. Nelson ) 



Saturday, January 23 : The Biological Society, at the Cosmos Club, at 

 8 p.m. 



Wednesday, January 27: The Geological Society, at the Cosmos Club, 

 at 8 p.m. Program : v 



E. S. Bastin and J. M. Hill: Ore deposits of Gilpin County, Colorado. 30 

 minutes. 



C. W. Hayes: Review of the Mexican oil fields. 30 minutes. 



Wednesday, January 27: The Medical Society, at the Medical Depart- 

 ment of George Washington University, at 8 p.m. 



Saturday, January 30 : The Philosophical Societj'-, at the Cosmos Club, 



at 8.15 p.m. Program: 



W. F. G. Swann: The atmospheric-eleclric work of the Department of Terrestrial 

 Magnetism. (Illustrated) . 40 minutes. 



C. R. Duvall: The recurring -series method of seeking hidden periodicities, unih 

 applications. (Illustrated). 20 minutes. 



Tuesday, February 2: The Botanical Society, at the Cosmos Club, at 

 8 p.m. 



Wednesday, February 3: The Washington Society of Engineers, at the 

 Cosmos Club, at 8 p.m. 



Wednesday, February 3 : The Medical Society, at the Medical Depart- 

 ment of George Washington University, at 8 p.m. 



> Tho programs of the meetings of the afiSliated societies will appear on this page if sent to the 

 editors by the first and fifteenth days of each month. 



