UNITED STATES NATIONAL MUSEUM 
BUREAU OF AMERICAN ETHNOLOGY 
ASTROPHYSICAL OBSERVATORY 
NATIONAL AIR MUSEUM 
NATIONAL ZOOLOGICAL PARK 
SMITHSONIAN INSTITUTION 
WfrsJimyloti 23, D. C. 
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NATIONAL GALLERY OF ART 
NATIONAL COLLECTION OF FINE ARTS 
FREER GALLERY OF ART 
INTERNATIONAL EXCHANGE SERVICE 
CANAL ZONE BIOLOGICAL AREA 
January 27, 1950. 
Dr. Alexander Wetmore, 
Secretary, Smithsonian Institution, 
Washington 25, D.C. 
Dear Dr. Wetmore: 
On or about February 1, 1950, you will proceed 
from Washington, p. C. to Miami, Florida, and to the 
Canal Zone and points in Panama. 
Your transportation to the Canal Zone and re¬ 
turn will be paid under a separate letter of authorization. 
You will be occupied in administrative work con¬ 
cerned with the Canal Zone Biological Area in the Canal 
Zone, and with biological studies in the Republic of Panama. 
You will be allowed necessary travel expenses, 
including hire of cars, boats and other special conveyances, 
actual expenditures for subsistence, hire of assistants and 
their subsistence if required, hire of pack animals, necessary 
expenses for the operation of motor vehicles,purchase of 
supplies, specimens and materials, and such other miscel¬ 
laneous expenditures as may be required, not to exceed $1,800 
payable by the Smithsonian Institution. 
It is contemplated that this work will require about 
two months when you will return to your official station at 
Washington, D.C. 
Very truly yours, 
Graf, 
Assistant Secretary 
