IN RATS AND GOTNEA-PIGS. 



35 



Tablb 2. — Expected and observed distribution of young produced by partial- 

 albino rats mated inter se. 

 [Abbreviations as in table 1.] 



Totals, observed. 

 Totals, expected., 



Observed result 

 (expected result, italic). 



GI. GH. BI. BH. W. 



I" 

 ( 7-^ 



( 6.2 



f 13 

 X'S 

 S 6 



^ \ 

 ( 4 



( 8 

 \ 9 



K 



I o 



< o 



1 o 



<l o 



\ o 



K 



f o 



\ o 



57 



2 



^■^ 

 ID 



9 

 I 



2 I 



i6 

 ^5 



3 



3' 



o 



o 



ID 



9 

 i8 



21 



H 



7.2. << 



H 

 13-9 



4 



.?-5 



o 



o 



o 



o 



o 



o 



92 



9'- 5 



I 



2.4 

 5 

 3 



4 

 6.2 



13 

 '5 



o 



3.2 



S 



^ 



o 



o 



o 







o 

 o 

 o 

 o 

 o 

 o 



26 



2J.6 



IS 

 /5 



S 



7 



74 

 86.4 



I 



0.5 



2 



3 



4 



2./ 



24 

 ^J 



4 



.?-^ 



o 



o 



o 



o 

 10 



7 

 2 



12 

 '3 9 



3 



J5 

 II 



g.2 

 20 

 /5 



9 



7 



102 



S6.S 



2 



7 

 8 



S 



5-.5 

 14 



50 



o 

 o 

 o 

 o 

 o 

 o 

 o 

 a 

 6 



f-J 

 II 

 g.2 

 o 

 o 



12 

 /^ 2 



13 

 12 



o 



o 



70 

 767 



