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UNITED STATES DEPARTMENT OF AGRICULTURE 
BUREAU OF BIOLOGICAL SURVEY 
WASHINGTON, D. O. 
Mo-=k- 
ALLOTMENT, AND INCREASE OR DECREASE. 
Date* June 11, 1921* 
Mr. Alex. Wetmore, 
Assistant Biologist, 
Bureau Biological Survey* 
Dear Sir: 
By direction of the Chief, Bureau of Biological Survey, the sum of 
I 100*00 
imaffiMS allotted for expenditures 
under the appropriation "General Expenses, Bureau of Biological Survey, 192 1," 
during this fiscal 
symbol no._ 24 .(Protection.of Migratory Birds) 
Show this number on each Account charged hereto. 
year, under Letter of Authorization No. 35 -Bi., dated July 1, 1920* 
This is for the purpose ofcovering expenses incurred in connection with 
the enforcement of the provisions of the Migratory Bird Treaty Act* 
Liabilities may be incurred against this amount not to exceed: 
4th Quarter $100*00 
Unexpended balance can not be carried beyond the fourth quarter, ending 
June SO, 1921* 
You will be held responsible for compliance with the terms of your 
Letter of Authorization and for keeping within the amount of your allot¬ 
ment. IF YOUR TOTAL ALLOTMENT IS EXCEEDED WITHOUT PREVIOUSLY OBTAINED 
WRITTEN AUTHORITY OF THE CHIEF OF THE BUREAU, THE EXCESS WILL NOT BE MET 
BY THE BUREAU, UNLESS (l) THERE IS MONEY AVAILABLE FROM THE PROPER APPRO¬ 
PRIATION AND (2) A SATISFACTORY EXPLANATION IS MADE FOR FAILURE TO SEGURE 
IN ADVANCE THE NECESSARY INCREASE. 
