BI-SB 0 
UNITED STATES DEPARTMENT OF AGRICULTURE 
BUREAU OF BIOLOGICAL SURVEY 
WASHINGTON, D. O. 
APR. 20 
ALLOTMENT, AND INCREASE OR DECREASE 
Date* July 1, 1920* 
Alexander Wetmore, 
Assistant Biologist, 
Bureau of Biological Gurvey* 
Dear Sir* 
By direction of the Chief, Bureau of Biological Survey, the sum of 
13,520*00 has been allotted for expenditures 
under the appropriation "General Expenses, Bureau of Biological Survey, 192 1," 
symbol NO, 21 (Bird Migrationj 
during this fiscal 
tSaovv tills nuuioer on each Account charged hereto. 
year, under Letter of Authorization No. 35 -Bi.» dated July 1, 1920, 
This is for the purpose of covering field expenses of work in progress 
in South America* 
Liabilities may be incurred against this amount not to exceed; 
Expenses* 
1st Quarter $1,000*00 
Any unincumbered balance may be carried forward into the succeeding charter* 
Sa lary. 
$630*00 
Quarter 
1st 
2nd 
3rd 
4 th 
630.00 
630*00 
630*00 
It 
It 
It 
An allotment to cover Increase of Compensation has been made in the sum of 
$ 220 , 00 : 
$55*00 
1st 
2nd 
3rd 
4 th 
Quarter 
55.00 
55.00 
ft 
It 
19 
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. IB 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 trul 
In Charge of Accounts. 
