264 



EARL W. BENJAMIN 



Color 



hr 7h/sv/ yecrrjr /^c/rfS? years f/ffh year* 

 proc/uc/ - -procfisc . . proc/vct . . 



1-6 

 Month 1st 



3d 



4th 



5th 6th 7th 8th 9th 10th llth 



FlG. 37. MONTHLY VARIATION IN COLOR OF EGGS PRODUCED DURING A PERIOD OF SIX 



YEARS 



The figures in parenthesis designate the number of birds available for the respective calculations 



