EAR-SIZE 



15 



The growth-curves for litter 2, which were produced by this mating, 

 are shown in figure i. In mating 3, the deviations [are all plus in 

 character, but are small in amount, namely, 2.5, 4.5, 2.5, and 2.5 mm. 



far length 



in mm. 

 180 



no 



160 



ISO 



140 



130 



120 



no 



100 



BO- 



70- 



60- 



50- 



40- 



30- 



Age in 



weeks. 



766 



Weight 

 m 



2200 



2/00 



2000 



1900 



1800 



1700 



1600 



ISOO 



1400 



1300 



1200 



1 100 



1000 



900 



eoo 



700 

 600 

 BOO 

 400 

 300 

 200 

 100 



I 2 3 4 S 6 7 8 9 10 II 12 13 14 15 16 17 18 19 20 2/ 



FIG. 3. Growth-curves for a litter of five second-generation (F 2 ) half-lop rabbits. 

 See table 9 and compare figs. I and a. 



From mating 4, by the same female that was concerned in mating 3, a 

 single young one was reared, which showed a plus deviation of 4.5 mm. 



