126 



MENDELISM 



darkly pigmented Eastern races and the white 

 segregation seems to occur in subsequent genera- 

 tions. Families are to be found in which one parent is 

 a pure white, while the other has arisen from the cross 

 between the dark and light in the first or some 

 subsequent generation. Such families may contain 



^xj ^xS fx^ 



I r 



I — ' — I I — I — — I 



<S S S (S 9 



jxc? <^x3 



^ c?x^ (Jxj 



d d 



<$xS fxS 



<^x3 



1 — r^ r 



dSdSif69 9 



Several children 

 all or O 



Fig. 29. 



Pedigree of a family which originated from a cross between a Hindu and a European. 

 Blaclc signs denote individuals as dark as average Hindus. Plain signs denote 

 quite fair membersj while those with a dot in the centre are intermediate. 



children indistinguishable from pure blonds as well 

 as children of very dark and of intermediate shades. 

 As an example, I may give the following pedigree, 

 which was kindly communicated to me by an Anglo- 

 Indian friend (Fig. 29). The family had resided in 

 England for several generations, so that in this case 

 there was no question of a further admixture of black. 

 Most noticeable is the family produced by a very dark 



