36 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1919. 
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; by 
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 by Maj. E. M. Yerkes on the re- 
lationship of Anny 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. Ransdell 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 procuring 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 Sundays, 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 
former and 1,845 for the latter. At the Smithsonian building the 
total attendance was 101,504, with a daily average of 324 persons. 
The publications of the year consisted of two annual reports, 
those for 1917 and 1918, two volumes of proceedings, four bulletins, 
and 71 separate papers. The total distribution of Museum publi- 
cations during the year aggregated 118,332 copies. 
