CHAPTER II. 
SERIES OF INDICES OF WHICH A SINGLE ONE STRONGLY DEVIATES. ~~ 
Table IV. There is little difference between the indices of child- 
ren. 29 cases. (p. 96). | 
This list contains little important cases. It runs nearly always about 
families with few children. Some families with more children might 
also have been brought into other tables. In table IVa have been taken 
up the incomplete families; of course they are less proving. (p. 100). 
As regards the hereditary 
constitution of these families, 
Wd we accept that it differs little 
aN from that of parents and it 
A oaker] contains few or no bastard- 
2 AVAL (heterozygote) elements. 
4 >Yarl |] From the cases of table IV 
Aj too, it is evident that with the 
EA increasing of the parent's in- 
dices agrees an increasing of 
Diagram of 29 families of tab. IV. The the children’s. (fig. 4). 
upper and the underline are of the highest, : » qe 
resp. the lowest of the indices of the children; Table V. Series of indices 
the pointillated line is of the average indices of whicha single one strongly 
of the parents. é 
© Y deviates. Of 20 cases the 
deviating index is twice dolichocephalic, in all other cases brachy- 

cephalic. The deviating index is often that of the youngest child and … a 
regards a small head. Of 15 incomplete families the deviating index 
is 5 times dolichocephalic. Of these families no more than one of the 
parents being known, they have less value. 
a. The deviating index is dolichocephalic. Family 137. The father 1 
has a small head 1) which is brachycephalic, the mother has a large and 


- 4) I call a small head such a one of which the sum of length and breadth is smaller 
than the sum of the average length and breadth. (1920b); a large head is a head for 
which that sum is larger than that of the averages. This sum is for men 19.34 +: 
15.39 = 34.7 cM. (on account of former calculations of smaller material 34.6 cM. 
has been taken) and for women 18.37 + 14.81 = 33.18 (33.1) cM. 

