PALM AND SOLE STUDIES. 



229 



opening to the ulnar margin ; yet each of these unusual characters 

 is faithfully reproduced in the little hand of his two-year old son. 

 The first of these characters occurs in about 18 per cent, of all 

 cases, although not always to the same degree, as has been stated 



FIG. 34. Print of the two-year-old son of the foregoing, showing a strong 

 hereditary influence, involving in this case two unusual features. 



above, but the type of hypothenar here shown is much rarer, 

 and one might have to look over several hundred sets of palm 

 prints before meeting with a similar one. This type is given by 

 Miss Whipple (1904) as B, Fig. 47, p. 349, where its development 

 from a more typical pattern is explained. As a test of its fre- 

 quency of occurrence the hand prints of 100 individuals from my 



