Het eee Cel eRe Ne BU lols Bel TON 21 
Willow Slough State Game Preserve, INDIANA (same area as 1957). — Dee. 
Bee o:45 a.m. to 5:00 p.m. Clear; temp. 32° to 42°; wind S to W, 5-18 
m.p.h.; ground bare, some snow in patches, ponds frozen, some ditches open. 
Four observers in 2 parties. Total party-hours, 10% (6 on foot, 4% by ear) ; 
total party-miles, 40 (8 on foot, 32 by car). — Canada Goose, 175; Mallard, 
4,500; Black Duck, 100; Common Merganser, 2; Sharp-shinned Hawk, 1; 
Red-tailed Hawk, 6; Bald Eagle, 1; Marsh Hawk, 7; Sparrow Hawk, 3; 
Greater Prairie Chicken, 4; Ring-necked Pheasant, 9; Mourning Dove, 7; 
Red-bellied Woodpecker, 1; Red-headed Woodpecker, 1; Hairy Woodpecker, 
4; Downy Woodpecker, 7; Horned Lark, 120; Blue Jay, 10; Common Crow, 
132; Black-capped Chickadee, 3; Tufted Titmouse, 1; White-breasted Nut- 
hatch, 3; Starling, 36; House Sparrow, 10; Eastern Meadowlark, 11; Red- 
winged Blackbird, 3; Cardinal, 26; Purple Finch, 7; American Goldfinch, 14; 
Slate-colored Junco, 268; Tree Sparrow, 507; Swamp Sparrow, 8; Song 
Sparrow, 12; Lapland Longspur, 2. Total: 34 species, about 5,999 individu- 
als. (Seen in area during count period, but not on count day: Bufflehead, 
Rough-legged Hawk, Bobwhite, Screech Owl, Robin, Cedar Waxwing, Rusty 
Blackbird.) Participants: Ted Chandik, Paul Davis, Raymond Grow (Com- 
piler), Russ Mumford. 
ft = for 
Book Reviews 
FIELDBOOK OF ILLINOIS MAMMALS, by Dr. Donald F. Hoffmeister, Curator 
of the Natural History Museum, University of Illinois, and Dr. Carl O. 
Mohr, Game Specialist, the Natural History Survey. Manual No. 4 of the 
Natural History Survey Division, Urbana, Illinois. 233 pages, 119 halftones 
and line drawings, numerous distributional maps; size 4%x7%4 inches; 
1957. $1.75 postpaid from the Illinois Natural History Survey, Natural Re- 
sources Building, Urbana; checks should be made payable to the State 
Treasurer of Illinois. 
The previous handbooks in this series are on Illinois Wild Flowers (cur- 
rently out of print), Land Snails, and Native Shrubs. This new volume is 
just the kind of pocket guide that Illinois nature lovers will want to carry 
on their field trips, along with Peterson’s Guide to Eastern Birds and the 
aforementioned text on Wild Flowers. The fieldbook fills a definite need, and 
will enrich anyone’s understanding of the animals, tracks, or signs he may 
see on his way. 
If there is any flaw in this guide, it is in the lack of detailed colored 
drawings of each species featuring various identification marks — the 
feature which has made the Peterson guide, for instance, such an indis- 
pensable companion to the bird student. However, inclusion of additional 
color plates would undoubtedly have priced this book out of the popular 
range. In all other respects, this little book is complete: it covers descrip- 
tion, habitat, homes, tracks, trails and other signs, life history, and distri- 
bution of each of the 59 mammals known to be in our state. There is a 
helpful key to each of the eight orders, along with information on how to 
