ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES.^ « 



Thursday, March 4: The Entomological Society, at the Saengerbund 



Hall, at 8 p. m. Program: 

 Jacob Kotinsky: The Bermuda grass Odonaspis. 



W. R. Walton: A new and interesting genus of North American Tachinidae. 

 C. H. T. TowNSE^^D: A revision of Myiophasia. 

 S. A. Rohwer: a remarkable new genus of Cephidae. 

 Frederick Knab: Commensalism in Desmometopa. 



Saturday, March 6: The Biological Society, at the Cosmos Club, at 8 

 p. m. 



Wednesday, March 10 : The Geological Society^ at the Cosmos Club, 

 at 8 p. m. Program: 



B. S. Butler: Relation of ore deposits to different types of intrusive bodies in 



Utah. 30 minutes. 

 Bailey Willis : Physiographic provinces in SoiUh America. 30 minutes. 



Wednesday, March 10: The Medical Society, at the Medical Depart- 

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



Thursday, March 11: The Chemical Society, at the Cosmos Club, at 

 8 p.m. Program: 



W. D. BiGELOw: A discussion of some of the problems and difficulties of the 

 canning industry: (Illustrated by motion pictures) . 



Saturday, March 13: The Philosophical Society, at the Cosmos Club, 

 at 8.15 p. m. Program: 



G. K. BtrRQESs: Some researches in metals at the Bureau of Standards, (illus- 

 trated). 30 minutes. 

 William Bowie: The errors of precise leveling . (illustrated). 30 minutes. 



Tuesday, March 16 : The Anthropological Society, at the Public Library, 

 at 8 p. m. Program: 



Dr. Manuel V. Arguelles, of Manila, P. I. : Origin and culture of the Filipino 

 people. 



Tuesday, March 16: The Washington Society of Engineers, at the 

 Cosmos Club, at 8 p. m. Program : . . 



William C. Gorgas, Surgeon General U. S. Army: The Sanitation of the Canal 

 Zone. (Illustrated). 



Wednesday, March 17: The Chemical Society, at the Cosmos Club, at 

 8.30 p. m. Progi-am: 



W. S. Landis (of the American Cyanimid Co.) : The fixation of atmospheric m- 

 trogen. (Illustrated by motion pictures). 



> The programs of the meetings of the affiliated societies will appear on this page If sent to thet 

 editors by the firat and fifteenth days of each month. 



