582 
NATIONAL RESEARCH COUNCIL 
Dr. Yerkes, Chairman of the Psychology Committee, emphasized the need 
of psychological studies of recruits, and mentioned the far-reaching significance 
of such studies in the selection of men for special purposes. 
The meeting adjourned at 1.50 p.m. 
• Cary T. Hutchinson, 
Secretary. 
NATIONAL RESEARCH COUNCIL 
MEETINGS OF THE EXECUTIVE COMMITTEE 
The twenty-fourth meeting cf the Executive Committee convened in the 
offices of the Council in the Munsey Building, Washington, D. C, on July 
12, 1917, and was called to order at 9.30 a.m. by the Chairman of the Counci . 
Messrs. Bogert, Hale, Millikan, Pupin, and Stratton were present and, 
by invitation, Messrs. Durand and Mendenhall. 
The Chairman reported: 
1. That the Director of the Council of National Defense has requested the National 
'Research Council to submit to him regular monthly reports of its activities, and that in order 
to comply therewith the Chairmen of the Committees of the Research Council have been 
asked to forward reports periodically to the Washington office with regard to the nature, 
organization and progress of investigations, and the results of researches, inquiries, and con- 
ferences bearing upon the work of the Council. 
2. That Admiral William S. Benson and Dr. W. F. Durand have been appointed members 
of the Council by the President of the National Academy of Sciences. 
The Chairman read a letter from General Squier, dated July 2, requesting 
the Research Council to act as the advisory agent of the U. S. Signal Corps 
in the organization of its various scientific activities and in the solution of 
research problems and suggesting that Dr. Millikan apply for a Major's 
Commission in the Officers' Reserve Corps, for detail in charge of this work. 
Upon motion it was voted th^at this request be complied with. 
Before this formal arrangement w^s entered into with General Squier, 
upon his request that the Council recommend some one to take charge of the 
sound ranging work of the Army, Dr. Augustus Trowbridge of Princeton was 
designated. Upon motion the Executive Committee ratified this action. 
Dr. Millikan reported that General Squier had referred to the Council 
a cablegram from Colonel Russell of the American Expeditionary Force in 
France, asking that a research and inspection group be sent over to France 
at once. He also stated that Major Carty has designated Mr. E. H. Colpitts 
and Mr. H. E. Shreve for signal work in this connection. 
Dr. Durand reported cn the question of the development and production 
of aeronautic instruments, and upon the need for a scientific advisor in this 
field. It was voted, upon motion, that the National Research Council recom- 
