34 REPORT OF NATIONAL MUSEUM, 1919. 



Recent Simultaneous Measurements of the Solar Constant of Radi- 

 ation at Mount Wilson, California, and Calama, Chile; John C. 

 Merriam, Human Remains from the Pleistocene of Rancho La Brea ; 

 George E. Hale, The Past Work and Future Plans of the National 

 Research Council ; John C. Merriam, The Division of General Rela- 

 tions, Section of Relations with Educational Institutions and State 

 Committees; R. A. Millikan, The Division of Physics, Mathema- 

 tics, Astronomy, and Geophysics; Dayton C. Miller, Pressures and 

 Velocities, Internal and External, due to the Discharge of Large 

 Guns; E. W. Washburn, The Division of Chemistry and Chemical 

 Technology; A. A. Noyes, Nitrate Investigations; Wliitman Cross, 

 The Division of Geology and Geogi-aphy ; R. G. Hussey, The Divi- 

 sion of Medicine and Related Sciences; R. M. Yerkes, Psychology 

 in Relation to the War; C. E. McClung, The Division of Agricul- 

 ture, Botany, Forestry, Zoology, and Fisheries ; and G. H. Clevenger, 

 The Division of Engineering. 



The auditorium was used for a conference on the American mer- 

 chant marine on January 22 and 23, with Hon, Joseph E. Ransdell 

 presiding, and during official hours on June 4 for a joint shipping 

 industrial conference, under the auspices of the United States Ship- 

 ping Board. On the evening of the same day, the Louisiana Society 

 of Washington arranged an illustrated lecture by Hon. M. F. Alex- 

 ander, Commissioner of Conservation of Louisiana, on the work of 

 the commission. 



The Biological Society of Washington met in the auditorium on 

 the evening of January 25, and on April 3 and 4 the American Soci- 

 ety of Mammalogists held its sessions in the auditorium and one of 

 the committee rooms. The Wild Flower Preservation Society occu- 

 pied one of the committee rooms on the afternoon of April 14, and, in 

 connection with the meeting in Washington of the American Rose 

 Society, the Florist Club of Washington gave a lecture on the culti- 

 vation of roses in the auditorium on the evening of June 3. 



The annual meeting of the District of Columbia Chapter of Sigma 

 Xi in the auditorium on March 6 was preceded by an illustrated lec- 

 ture by Maj. R. M. Yerkes on the relationship of Army tests to edu- 

 cation and vocational guidance. On JMarch 24 a widely attended 

 meeting of officers and men of the American Army, presided over by 

 Col. E. Lester Jones, resulted in the organization of the General 

 Pershing Post No. 1 of the American Legion. 



The Minimum Wage Board of the District of Columbia used the 

 auditorium on April 29 for a conference, and on June 23 there was a 

 lecture, under the auspices of the National Women's Trade Union 

 League, by Miss Margaret Bondfield, of England, on the new spirit 

 of British labor. 



