THE ILLINOIS AUDUBON SOCIETY NonProfit Or 
1017 Burlington Avenue U. S. POSTAG 
Downers Grove, Illinois 60515 PAID 
DOWNERS GRO’ 
RETURN REQUESTED ILLINOIS 
PERMIT NO, 1 
NLL. STATE NAT. HIST.LIBRARY, 
NATURAL RESOURCES BLDG., 
URBANA, ILLINOIS 61803 
THE ILLINOIS AUDUBON SOCIET\ 
The Society was organized seventy years ago for the protection of w 
birdlife. Throughout its existence, the Society has promoted measu 
to protect birds and to prevent destruction of the natural areas wh 
birds need for survival. In many cases, the Society has worked fo : 
that existing laws are observed — since mere enactment of laws ne 
has guaranteed their enforcement. Illinois residents of all walks of | 
are invited to join the IAS in advancing the cause of wildlife conservati 
as well as in the Society’s cooperative efforts with all other organizatit 
which work for protection of our natural resources. 
Headquarters of the Illinois Audubon Society are in the Field Muse 
of Natural History, Roosevelt Road & Lake Shore Drive, Chicago 606 
where literature and information may be obtained, and where pul 
lectures are held. Individual and group membership support is earne: 
solicited. Membership fees are: 
Patron $1,000 
Benefactor $ 500 
Life Member $ 100 
Supporting Member $25 annually 
Club Affiliation $15 annually 
Contributing Member $10 annually 
Family Membership $7.50 annually 
Active Member $5 annually 
Memberships and Address Changes 
New and/or renewal membership applications to the Society, as well as change of adc 
notices, should be sent to Mr. Paul Schulze, IAS Treasurer, 622 South Wisconsin Ave 
Villa Park, Ill. 60181. 
THE AUDUBON BULLETIN is the official journal of The Illinois Audubon Society an 
published quarterly — in March, June, September, and December. The subscription | 
is $5 per year (which coincides with dues of active members). Single copies are $1.25. 
special subscription rate for libraries and schools is $3.00 per year. 
EDITORIAL OFFICE: 49 Valley Road, Highland Park, Ill. 60035 
