COUPLING 



103 



KINDS OF PULLETS EXPECTED FROM ALL 

 POSSIBLE MATINGS 



Hens 



Theie Daughters 



+ - +- +- +- +- +- 



30 30 30 30 30 30 30 30 30 30 30 30 

 Cocks 

 (1) MM 8*-- 8-- 8-- 8-- 8-- 8-- 

 XX 

 YY 



(2) MM 8 

 XX 



Yy 



6 2 



4 4 



8 



6 2 



4 4 



8 



(3) MM 8--44--8-8--44- 

 XX 



y y 



(4) MM 44- 44- 44- 44- 44- 44- 

 Xx 



YY 



(5) MM 44-34124244-341242 

 Xx 



Yy 



(6) MM 44- 242 -44 44-242-44 

 Xx 



yy 



(7) MM 44- 44- 44- -8--8--8- 

 x X 



YY 



(8) MM -8- -62 -44 -8--62-44 



X X 



Yy 



(9) MM -8- -44 --8 -8--44--8 



X X 



y y 



* The figure 8, which means "all," is set down beeause the propor- 

 tions in the remaining eases are brought to a standard total of 8. 



