38 HEREDITY OF SKIN COLOR IN NEGRO-WHITE CROSSES. 



Table 31. — Hair color in negro X white crosses. — Continued. 

 (H) BLACK X DARK RED BROWN. 



Reference 

 No. 



J. 4S.. 



M. 



d.br.r. 



MF. 



MM. 



(I) DARK BROWN X DARK BROWN. 



(K) DARK BROWN X MEDIUM BROWN. 



B. 17. 

 B. 25. 

 B. 26. 

 B. 27. 

 B. 29. 

 J. 8.. 



Total . 



N 



(L) DARK BROWN X LIGHT BROWN. 



J. 23.. 

 J. 49. . 

 B. 27 . 



Total . 



" 9 months old. 



'' At 2 years. 



' Young. 



br. 



A study of table 31 shows clearly that as the amount of black 

 decreases in the parents it diminishes in the offspring. Thus in black 

 X black matings the commonest grade of the children is black; in 

 black X dark brown or medium brown, and in dark brown X dark 

 brown matings the commonest grade in the children is dark brown; 

 but in the dark brown X medium brown or light brown matings it is 

 medium brown. The cases are not numerous where the children are 

 darker than the darker parent, and very light children ("flaxen") 



