PROCEEDINGS OF THE ACADEMY AND AFFILIATED 



SOCIETIES 



WASHINGTON ACADEMY OF SCIENCES 



The 124th meeting of the Academy was held in the Assembly Room 

 of the Cosmos Club the evening of Thm'sday, April 18, 1918, with 

 President Briggs presiding, the occasion being the fifth lecture of the 

 series on Science in Relation to the War, by Lieut. Col. X. Reille, 

 Chief of Artillery in the French Advisory Mission. The address, en- 

 titled The problem of anti-aircraft firing, has since been published in 

 the Journal (8: 465-480. August 19, 1918). 



The 125th meeting of the Academy was held in the Assembly Room 

 of the George Washington University Medical School the evening of 

 Thursday, May 9, 1918, with Vice-president Rose presiding. The 

 occasion \vas the sixth lecture of the series on Science in Relation to the 

 War, by Dr. Raymond Pearl, of the United States Food Administra- 

 tion, entitled Biology and war. This lecture has been published in the 

 Journal (8:341-360. June 4, 1918). 



The 126th meeting of the Academy was held jointly with the Chemi- 

 cal Society in the Assembly Room of the Interior Department the 

 evening of Wednesday, May 15, 1918, with Vice-president Powder pre- 

 siding. The address, by Dr. Arthur A. Noyes, Professor of Theoreti- 

 cal Chemistry at the Massachusetts Institute of Technology, and Chair- 

 man of the Nitrate Committee, entitled The nitrogen 'problem in relation 

 to the war, has been published in the Journal (8:381-394. June 19, 

 1918). It is the seventh of the series on Science in Relation to the 

 War. 



William R. Maxon, Recording Secretary. 



THE ENTOMOLOGICAL SOCIETY OF WASHINGTON 



The 316th regular meeting of the Society was held at the hall in the 

 Perpetual Building Association's building, 1101 E Street, N.W., 

 November 6, 1918. There were present 24 members and one visitor. 



The following new members were elected: Messrs. O. K. Courtney 

 and P. W. Mason, of the Bureau of Entomology and Dr. Norman 

 Perrine, of the Federal Horticultural Board. 



The President announced the death of two of our fellow members, 

 viz., Mr. Frederick Knab and Mr. A. B. Duckett, and the meeting 

 was, for a short time, turned into a memorial meeting in honor of the 



663 



