ANNUAL REPORT SMITHSONIAN INSTITUTION, 193 9 XIH 



Senior archeologist. — Frank H. H. Robebts, Jb, 

 Senior anthropologist. — Jui^ian H. Steward. 

 Associate anthropologist. — W. N. Fenton. 

 Editor. — Stanley Sbabi^s. 

 Ldbrarian.—MiBiAu B. Ketchum. 

 Illustrator. — Edwin G. Cassedy, 



INTERNATIONAL EXCHANGES 



Secretary (in charge). — Chabi-^s G. Abbot. 

 Chief Clerk. — Coates W. Shoemaker. 



NATIONAL ZOOLOGICAL PARK 



Director. — William M. Mann. 

 Assistant director. — Ernest P. Walker. 



ASTROPHTSICAL OBSERVATORY 



Director. — Charles G. Abbot. 

 Assistant director. — Loyal B. Aldrich. 

 Senior astrophysicist. — William H. Hoover. 



DIVISION OF RADIATION AND ORGANISMS 



Director. — Charles G. Abbot. 

 Assistant director. — Eabl S. Johnston. 

 Senior physicist. — Edward D. McAlisteb. 

 Senior mechanical engineer. — Leland B. Claeic. 

 Associate plant physiologist. — Florence E. Meter. 

 Junior Biochemist. — Robert L. WEaNTRAtiB. 



