6 - 



< 

 a 



a. 

 u 



Q. 



tc. 

 liJ 



I- 



r 

 a. 



(/I 

 o 

 a. 



m 



-^ DUCKS 



o COOTS 



-X HUNTERS 



/\ 



/\ 

 / \ 

 / \ 



1941 



200 



150 



to 



z 

 100 X 



50 



-J 



Z 



_1_ 



16-22 23-29 30-5 6-l2 13-19 20-26 

 OCTOBER NOVEMBER 



27-3 



4-10 11-14 

 DECEMBER 



FIG. 2. — Trend In kill of ducks and coots per hunter per day compared with 

 trend In number of hunters per day at private hunting clubs In 

 the glacial lakes region of Illinois, 1941. 



\'^7 



5r 



^4 



LlJ 



a. 



»- 

 Z 

 D 

 I 



a. 2 



ijj 



a. 



tn 

 a 



E , 



CO 



15-17 18-24 25-31 1-7 8-14 15-21 22-28 29-5 6-12 13-19 20-23 

 OCTOBER NOVEMBER DECEMBER 



FIG. 4. — Trend in kill of ducks and coots per hunter per day compared with 

 trend In number of hunters per day at private hunting clubs In 

 the glacial lakes region of Illinois, 1942. 



8 



