8 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1953 



Table 1. — Visitors to certain Smithsonian buildings during the year ended June 



SO, 1953 



A special record was kept of groups of school children visiting the 

 Smithsonian. The count showed that 207,420 school children came in 

 5,041 groups, or about 40 to a group. These are enumerated by month 

 in table 2. 



TWENTIETH ANNUAL JAMES ARTHUR LECTURE ON THE SUN 



In 1931 the Institution received a bequest from James Arthur, of 

 New York, a part of the income from which was to be used for an 

 annual lecture on some aspect of the study of the sun. The twentieth 

 Arthur lecture was delivered in the auditorium of the Natural History 

 Building on the evening of May 21, 1953, by Dr. C. E. Kenneth Mees, 



