Game Cycle 



145 



Ffrst year of perceptible 

 recovcry.( If none by 1930 



marked not yet.) 

 9 Date of extermination. 



Reports checked in field during game survey. 



ved by mail from State game observers 

 ^-Boundary of reg. range ruffed grouse in every township 

 1926 * Scattering occurrence outside of 

 regular range 



- 



U rV O [SSSSVej 



DISTRIBUTION OF ~TI 



MORTALITY 2 RECOVERY DATES'--.. 



Cycle 

 RUFFED GROUSE 



MAP 12 



The main purpose is to show the apparently random distribution of mor- 

 tality and recovery dates, that is, the absence of any orderly progression of either 

 mortality or recovery dates from any focus or center, or in any particular direction. 



The large and medium sized circles designate the locations of my most im- 

 portant observers (source of Charts 7 and 8) and Grange's observers (source of 



10 



