I 
 
 
        OUIDj you like to spend a full year on one of the most productive
marshes 
in North America? Would you like to watch the spring arrival, the courtship
an- 
tics, the nesting and rearing of a galaxy of waterfowl, and spend the hunting
season 
on the same marsh? 
IF you would-"Al" Hockbaum will be your guide. He will show you
all there is 
 
to see, and he will tell you what it means in 
 
             THE CANVASBACK ON A PRAIRIE MARSH 
 
IN 200 pages, illustrated with 18 half-tone plates, 10 tables, a map and
numerous pen 
and ink drawings by himself, he explains, in his inimitable manner, the story
of the 
 
 
CANVASBACK 
MALLARD 
BALDPATE 
GADWALL 
 
 
WHITE-WINGED SCOTER 
SHOVELLER 
RUDDY DUCK 
BLUE-WINGED TEAL 
 
 
LESSER SCAUP 
REDHEAD 
PINTAIL 
GREEN-WINGED TEAL 
 
 
            AN AMERICAN WILDLIFE INSTITUTE PUBLICATION 
 
M---ORDER BLANK 
   AMERICAN WILDLIFE INSTITUTE 
   INVESTMENT BUILDING 
   WASHINGTON 5, D). C. 
 
 
    Please send me 
@ $3.00 per copy, postpaid. 
I e n clo se  $  .. . ...................... 
 
 
Address 
 
 
copies of THE CANVASBACK ON A PRAIRIE MARSH 
 
              N a m e .... .. . . ................. .. .... . .. . 
 
 
City- 
 
 
- State ..... 
 
 
-.000",