12 THE - AUD UBION BU oleh 
Nature Symposium 
By Doris A. PLAPP 
THE FirTtH Annual Nature Symposium, conducted by the Illinois Natural 
History Survey, took place Sunday, October 5, in the Maple Lake region. 
The Forest Preserve District of Cook County cooperated in the undertaking, 
and the Clarke Sound Studio provided amplification so that all could hear 
the introductions and talks by the various experts from the Natural History 
Survey. 
Sponsors for this interesting outdoor activity were Hawthorne Club of 
the Western Electric Company, Izaac Walton League, Conservation Council, 
Illinois Audubon Society, Chicago Academy of Sciences, Prairie Club, 
Friends of our Native Landscape, Chicago Biology Round Table, and 
Association of High School Biology Teachers. 
Banding at the Orland Wildlife Refuge 
After the exhibit of living fish from Maple Lake and the discussion of 
fish problems in the lake, and after everyone had sufficiently observed the 
tactics of several ospreys in rounding up a bit of repast for themselves, 
the large group of interested observers broke up into sections to pursue 
various individual interests. One group went on a hike to study the flora 
of the region, another the mammals, and another the birds. Each group 
was conducted by a specialist from the Survey. Mr. Pearsall brought some 
of his pets from Trailside Museum to illustrate the local mammalian fauna 
which otherwise might not have appeared as desired. The bird group drove 
to the Orland Wildlife Refuge to see trapped ducks banded. Our guests 
