OFFICERS 



President: Lyman J. Briggs,_ Bureau of Plant Industry. 

 Corresponding Secretary: Robert B. Sosman, Geophysical Laboratory. 

 Recording Secretary: William R. Maxon, National Museum. 

 Treasurer: R. L. Faris, Coast and Geodetic Survey. 



REPRINT OF LECTURES ON SCIENCE IN RELATION 



TO THE WAR 



A series of public lectures dealing with the scientific and engineering 

 aspects of the war was given under the auspices of the Washington 

 Academy of Sciences during the winter and spring of 19 18, The 

 lectures as published in the Journal are as follows : 



Major S. J. M. Auld, of the British Military Mission: Methods of 

 gas warfare. 



Col. C. F. LeH, of the British Aviation Mission : Aviation. 

 Maj. Gen. John Headlam, C.B., D.S.O., of the British Artillery 

 Mission : The development of, artillery during the war. 



Lieut. Col. X. Reille, Chief of Artillery in the French Advisory 

 Mission : The problem of anti-aircraft firing. 



Dr. Raymond Pearl, of the U. S. Food Administration: Biology 

 and war. 



Prof. Arthur A. Noyes, of the Massachusetts Institute of Tech- 

 nology : The nitrogen problem in relation to the war. 



The Academy has reprinted in collected form a limited edition of 

 these lectures. Copies of the brochure, substantially boimd in flexible 

 cloth covers, may be purchased of the Treasurer, Mr. R. L. Faris, 

 Coast and Geodetic Survey, Washington, D. C, at seventy-five cents 

 each (postage included). 



ANNOUNCEMENT OF MEETINGS OF THE ACADEMY AND 



AFFILIATED SOCIETIES^ 



Thursday, January 9: Joint meeting of the Chemical Society and 

 the Washington Academy of Sciences, at the Administration Build- 

 ing of the Carnegie Institution, i6th and P Streets, at 8.15 p.m. 

 Program : 



Address of the retiring President of tJie Chemical Society, Dr. F. B. Power: The 

 distribution and characters of some of the odorous principles of plants. (Illus- 

 trated.) 



Tuesday, January 14: The Washington Academy of Sciences, at 



the Administration Building of the Carnegie Institution, i6th and 



P Streets, at 8. 15 p.m. Program: 



Annual meeting for the reports of officers, announcement of elections, and other 

 business. 



Address of the retiring President of the Academy, Dr. Lyman J. Briggs: The 

 resistance of the air. (Illustrated.) 



' The programs of the meetings of the affiliated Societies will appear on this page if sent to the 

 editors by the thirteenth and twenty-seventh of each month. 



