40 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1919. 



ment for an illustrated lecture by Lieut. Col. G. M. Barnes on battle 

 scenes in the World AVar; by the Artillery Division of the Army for 

 an illustrated lecture on the method in camouflaging used by that 

 division during the war; by the Public Health Service of the Trea- 

 STiry Department for a mo^'ing picture, " Fit to win," before the 

 faculties and students of the departments of medicine and dentistry 

 of the Georgetown University, with remarks by Asst. Surg. Gen. 

 Pierce and by Dr. George E. Kober and Dr. Bruce L. Taylor; bj'' 

 various divisions of the Bureau of War Risk Insurance on numerous 

 occasions for various purposes; by the American Society of Mam- 

 malogists ; by the Wild Flower Preservation Society ; by the Biologi- 

 cal Society of Washington ; by the Louisiana Society of Washington, 

 with an illustrated lecture by Hon. M. F. Alexander, State commis- 

 sioner of conservation, on the work accomplished by the Alabama 

 Conservation Commission during the past 10 years ; by the National 

 Women's Trade Union League for a lecture by Miss Margaret Bond- 

 field, of England, on the new spirit of British labor; by the Mini- 

 mum Wage Board of the District of Columbia for a conference ; by 

 the District of Columbia Chapter of the Sigma Xi for its annual 

 meeting and an illustrated lecture b}^ Maj. R. M. Yerkes on the re- 

 lationship of Army tests to education and vocational guidance ; and 

 by the scientific and technical Federal employees for the purpose of 

 forming an organization with a view to joining the Federal Em- 

 ployees Union. 



The main hall, range, and chapel of the Smithsonian building 

 proving inadequate for the annual meeting of the National Academy 

 of Sciences in April, the sessions of the last two days were trans- 

 ferred to the Museum auditorium. The auditorium was also used 

 two days for a conference on the American merchant marine, the 

 Hon. Joseph E. Eansdell presiding. 



MISCELLANEOUS. 



The distribution of duplicates for educational purposes, chiefly 

 to schools and colleges, aggregated 3,441 specimens, while over 5,000 

 more were used in procui'ing additions to the collections through ex- 

 changes. Material sent for study to collaborators of the Museum and 

 other specialists amounted to 19,851 specimens, mainly zoological. 



During the approximate three months that the natural history 

 building was open the attendance of visitors was 94,240 for week 

 days and 38,619 for Sundaj^s, an average of 1,149 for week days and 

 2,758 for Sundays. From November 10 to April 6 the opening of 

 the arts and industries building was extended to include Sundays as 

 well as week days, the attendance there for the year being 225,927 on 

 week days and 40,605 on Sundays, a daily average of 721 for the 



