METHODS OF KEEPING RECORDS 535 



Fig. 81. Pedigree chart that has been started for the new strain. 



7^3/7 



7^3/7 



7^7/9 





6>2397 X 6A373 

 I , I 



6>f677 x&ravr 



69C23 X 6 7026 69027 X 69027 6902? X 6fo30 gece^ed a/y/j 

 1 J I , 1 L . I t&-*»* Z>Z>7" 



r- fis ' ' ' r i i i i — i — r~h — i — i — i — i 



/Z&O ¥f /?x/f Xxio 23x32 3? ¥?rf&x2¥ Z7*k /<r*/S 



| I II II I ill II II I 



f3 T-¥ 7=/ 7=2 



Fig. 82. Ledger page started for the new strain. 



