DAVENPORT— EFFECTS OF RACE INTERMINGLING. 365 



Swede) and a brown-eyed race (say South Italian)? The answer 

 is that, since brown eye is dominant over blue eye, all the children 

 will have brown eyes; and if two such children inter-marry brown 

 and blue eyes will appear among their children in the ratio of 3 to i. 

 Again, if one parent be white and the other a full-blooded negro 

 then the skin color of the children will be about half as dark as that 

 of the darker parent ; and the progeny of two such mulattoes will be 

 white, ^, >^, >)4 and full black in the ratio of 1:4:6:4:1. 



Again, if one parent belong to a tall race — like the Scotch or some 

 Irish — and the other to a short race, like the South Italians, then all 

 the progeny will tend to be intermediate in stature. If two such 

 intermediates intermarry then very short, short, medium, tall and 

 very tall offspring may result in proportions that can not be pre- 

 cisely given, but about which one can say that the mediums are the 

 commonest and the more extreme classes are less frequented, the 

 more they depart from mediocrity. In this case of stature we do 

 not have to do with merely one factor as in eye color, or two as in 

 negro skin color, but probably many. That is why all statures seem 

 to form a continuous curve of frequency with only one modal point, 

 that of the median class. 



What is true of physical traits is no less true of mental. The 

 oft'spring of an intellectually well developed man of good stock 

 and a mentally somewhat inferior woman will tend to show a fair 

 to good mentality ; but the progeny of the intermarriage of two 

 such will be normal and feeble-minded in the proportion of about 

 3 to I. If one parent be of a strain that is highly excitable and liable 

 to outbursts of temper while the other is calm then probably all the 

 children will be excitable, or half of them, if the excitable parent is 

 not of pure excitable stock. Thus, in the intellectual and emotional 

 spheres the traits are no less " inherited " than in the physical sphere. 

 But I am aware that I have not yet considered the main problem 

 of the consequence of race intermixture, considering races as dif- 

 fering by a number of characters. First, I have to say that this 

 subject has not been sufficiently investigated; but we may, by infer- 

 ence from studies that have been made, draw certain conclusions. 

 Any well-established abundant race is probably well adjusted to its 

 conditions and its parts and functions are harmoniously adjusted. 



