What is the 
ILLINOIS AUDUBON SOCIETY? 
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It is a corporation organized in 1897, not for profit, under the laws of the 
State of Illinois, for the study and protection of wild birdlife. 
It aims to encourage the study of our native wild birds, to increase the 
appreciation of their aesthetic and economic values, and to work for 
their safety through education. 
All lovers of birds are welcomed to its membership upon signing an applica- 
tion and paying membership dues. All dues and bequests other than 
those paid annually are held in an Endowment Fund, only the income 
from which is used for current needs, and there are no paid officers. 
Under a ruling of the Commissioner of Internal Revenue contributions to 
the Society are deductible from income, gifts are deductible for gift 
tax purposes, and. bequests or legacies are deductible for estate tax 
purposes. 
MEMBERSHIP FEES ARE AS FOLLOWS: 
ACTIVE MEMBERS ............ $2.00 annually 
CONTRIBUTING MEMBERS...... $5.00 annually 
SUSTAINING MEMBERS .............:. $25.00 
DL IVES MEMBERS 0 syslnieswte «checha.o.0 eile, ss $100.00 
PSN EP ACTORS Ay Gin ce trealel sly sere k Sun gia vere $500.00 
PATRONS Foy Bap tert ais che re Gry edelie's $1,000.00 
The Society maintains an office at the Chicago Academy of Sciences, where 
literature and information may be obtained and where public lectures 
are held. | 
The Audubon Bulletin is published quarterly and distributed to its members. 
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Address all communications to 
THE ILLINOIS AUDUBON SOCIETY 
2001 NORTH CLARK STREET 
CHICAGO, ILLINOIS 
Press of Physicians’ Record Co., Chicaga 
