*5 13.5 22.5 3L5 40,5 4ft5 58.5 67.5 745 8i5 94J 103.5 112S 

 WiNTEa JBGQ PRDOUCTION 



Fig. 82. Diagram showing range of variation and mean fecundity in 

 each generation of line D65D366. Significance of lines and cross hatch- 

 ing as in Fig. 81, q. v. 



