HEREDITY OF WILD NESS AND SAVAGENESS IN MICE 



31 



TABLE 19 

 Summary of Results of Group 2, First Generation Hybrids, Fi, of Series B, TesledDaily 



Average number tests, 

 Range of 



tests, 4-6 

 Average age in days : 

 First 



test, 54.0 

 Fifth test, 58.93 

 Sixth 

 test, 86.21 



16 Fib Males 



and 

 Females 



Average number tests, 

 Range of 



tests, 4-6 

 Average age in days: 

 First 



test, 43.4 

 Fifth test, 48.2 

 Sixth 



test, 76.66 

 5 Fib Males 



Average number tests, 

 Range of tests, 6 

 Average age in days: 



First 



test, 58.81 



Fifth test, 63.81 



Sixth 

 test, 88.81 



11 Fib 



Females 



5.86 



First test 



Average 1 and 2 . . . . 



Average first 5 



Average 3, 4 and 5 . . 



Fifth test 



(15) 

 Sixth test 



(14) 



5.4 



First test 



Average 1 and 2 . . . . 



Average first 5 



Average 3, 4 and 5 . . 

 Fifth test 



(4) 

 Sixth test 



(3) 



6 



First test 



Average 1 and 2 . . . . 



Average first 5 



Average 3, 4 and 5. . 



Fifth test 



Sixth test 



WILDNESS 



Distribution of mice 

 in grades: 



Av. 1 2 3 4 5 



4.62 

 4.22 



4.06 

 3 



3.42 

 3.78 



4.8 

 4.2 



3.57 

 3.0 



4.0 



4.54 



4.22 



4.14 



4.09 

 4.09 

 3.72 



11 



SAVAGENESS 



Distribution of mice 

 in grades: 



Av. 1 2 3 4 5 



4.62 

 4.35 



3.87 

 3.58 



3.06 



3.78 



4.4 

 3.8 



3.6 



3.07 



2.0 



4.0 



4.72 



4.59 



4.07 



3.72 

 3.54 

 3.72 



11 



The sixth test of Group 2 of each set was given at the same 

 time the mice of the corresponding Group 1 received their 

 fifth test. It is to be noted that while the average grade for 



