SECRETARY'S REPORT IX 



BUREAU OF AMERICAN ETHNOLOGY 



Director. — Matthew W. Stiklinq. 



Associate Director. — Feank H. H. Roberts, Jr. 



Anthropologists. — H. B. Collins, Jr., Philip Druckeb. 



Ethnologist. — John P. Harrington. 



Collaborators. — Frances Densmobe, Ralph S. Solecki, John R. Swanton, A. J. 



Waring, Jr. 

 Scientific illustrator. — E. G. Schxjmachkb. 

 RiVEB Basin Sitrveys. — Frank H. H. Roberts, Jr., Director. 



INTERNATIONAL EXCHANGE SERVICE 



Chief.— D. G. Williams. 



NATIONAL ZOOLOGICAL PARK 



Director. — William M. Mann. 

 Assistant Director. — Ernest P. Walker. 

 Head Animal Keeper. — Frank O. Lowe. 



ASTROPHYSICAL OBSERVATORY 



Director. — Loyal B. Aldbich. 

 Division op Astrophysical Research : 



Chief. — William H. Hoover. 



Instrument makers. — Andrew Kbameb, D. G. Taleert, J. H, Harbison. 



Research associate. — Charles G. Abbot. 

 Division of Radiation and Organisms: 



Chief. — R. B. Withbow. 



Plant Physiologists. — William H. Klein, Leonard Price, V. B. Elstad, Mrs. 

 Alice P. Withrow. 



NATIONAL AIR MUSEUM 



Advisory Board: 



Leonard Cabmichaei^, Chairman. 



Lt. Gen. Laubence C. Cbaigie, V. 8. Air Force. 



Reae Adm. T. S. Combs, 17. S. Navy. 



Geovee Loening. 



William B. Stoitt. 

 Head curator. — Paul E. Gaebh:e. 

 Associate curator. — R. C. Strobell. 

 Manager, 'National Air Museum Facility. — W. M. Male. 

 Museum aides. — Stani^tt I'otter, Winteop S. Shaw. 



CANAL ZONE BIOLOGICAL AREA 

 Resident Manager. — James Zetek. 



