Form Bi-120 
March, 1918 
UNITED STATES DEPARTMENT OF AGRICULTURE 
BUREAU OF BIOLOGICAL SURVEY 
LETTER OF AUTHORIZATION 
Ho 
Washington, D. C., 6^ 1919# 
Assistant Biologist# 
Under authority contained in the Secretary’s letter, Ho. 8 Sec., 
dated 1, 1918, you are hereby authorized to incur such expenses as 
may be necessary, in strict accordance with law, the liscal Regulations 
of the Department, and the decisions of the Comptroller of the Treasury, 
for the purpose stated and during the period named below, not to exceed 
^ 400*00 ^ -^Q -[3Q paid from the appropriation "G-eneral Expenses, 
Bureau of Biological Survey, 1919,” ' (yood Habits Oi Birds and Itemaals)# 
To prooood from Wasbingtont B# 0## on liay IB* 1919* or as soon 
thereafter as pradtioablet to I^oenix* Arizona, and to perform neoessarsr 
travel In the rState of Arizona and adjaoent States for the puipose of 
securing information on birds and other anteals# and their relaticm to 
crops and on methods of controlling injurious species, assd to incur 
penses other than travel for the hire of tea^orary assistants, {subject 
to the rules of the Oivll Service Ccwtissicna.) and to pay for their trans- 
portation and subsistence while in a travel status, to hire special means 
of conveyance when necessaryt to hire saddle Ibuorses and pack animals, 
to hire or x)urohase necesasry cai^ equipment, to purchase field supplies 
amd natural History specimens, to pay for necessary repairs to your- own 
fir© arms if damuipd while beihg used offici^^ly as a consideration for 
their “as© and to incur such other eiEpensea as may be found nccassary in 
aarryinr cut this work# 
Upon aorqpietion of this work return to Washington# 0# 
Ho expenses for freight charges to be incurred hereunder. 
Your permanent headquarters will be WsshingtOU, B* C* 
A true copy: 
8—4053 
Acting Chief of Bureau. 
o 0 
