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. 



Ear length 



IT) mm. 

 160- 



no 



160- 



150- 



140 



130 



120 



no 



100 



90- 



BO 



10 



60 



SO 



40- 



30- 



Age m 

 weeks. 



^ 



■(/ 



—r—r—i 1 1 J I I I I J 1 1 1 I ' I I I I I I 



/ 2 3 4 5 6 7 8 9 10 n 12 13 14 15 16 17 18 19 20 2/ 



Fig. 3. Growth-curves for a litter of five second-generation (F,^) half-lop rabbits. 

 See table 9 and compare figs. I and 2. 



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. 



