UNITED STATES DEPARTMENT OF AGRICULTURE 
BUREAU OF BIOLOGICAL SURVEY 
WASHINGTON, D. O. 
APR*£0 
ALLOTMENT, AND INCREASE OR DECREASE. 
Date* February 16, 1921* 
Dr. Alexander Wetmore, 
C/0 Consul General, U.S.A., 
Calle Lavalle 341, 
Buenos Aires, 
Argentina, S.A. 
Dear Sir* 
* 
By direction of the Chief, Bureau of Biological Survey, the sum of 
I 600.00 has been added to the amount allotted for expenditures 
under the appropriation "General Expenses, Bureau of Biological Survey, 1921 
SYMBOL NO.„..g.L-C^BiAl.QgicaJL.IinteAtigations) during this fiscal 
Show this number on each Account charged hereto. 
year, under Letter of Authorization No. 35 -Bi., dated July 1* 1920. 
This i3 for the purpose of covering field expenditures in connection 
with work in progress. 
Liabilities may be incurred against this amount not to exceed: 
3rd Quarter 
Unexpended balances may be carried forward each quarter, but no balance 
can be carried beyond the fourth quarter, ending June 30, 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 SECURE 
IN ADVANCE THE NECESSARY INCREASE. 
Very truly yours 
f 
