a; 

MICROBRACHYCEPHALY. PREPOTENCE. (227) 35 
brachycephalic family 3 (1920 B, C, E) with prepotence of brachy- 
cephaly (p. 19, 20). In family 3b the father has a small head. In family 31 
the head of the father is somewhat smaller than average large and just 
brachycephalic. In family 3m the father has a very large head, the 
_ mother is microbrachycephalic. Here the microbrachycephalic head, 
ie. the high index is dominant over the macrobrachycephalic one, 
1. e. the less high index. 
In family 216 c the father is macrodolichocephalic, has 6 dolicho- 
 cephalic brothers and one brachycephalic sister. (80.5; 1920 B 216). 
The mother is a native of Zealand, further familymembers are not 
known (1920b, A 216c and 1920b). 
Family 64. The mother is microbrachycephalic. The maternal grand- 
mother is macrobrachycephalic. They are natives of Zealand (1920b; 
C 64). The father is microdolichocephalic, the paternal grand-mother 
and one brother are macrodolichocephalic. The mother’s head is in 
proportion to the father’s not very small. The indices of children 
diverge rather much (81, 81, 81, 82, 82, 85, 89). Here is no dominance 
of the mother without more. 
Family 66. The father is microbrachycephalic. The mother is just 
macrobrachycephalic and the maternalgrand-mother is macrodolicho- 
cephalic. Here is dominance and prepotence of the father. 
Family 105a. The head of the mother is somewhat smaller than 
average large, as that of the father is. There is one child only. 
Family 109. The mother has a very small head which is just brachy- 
cephalic (80). One sister of the mother’s is just macrobrachycephalic 
(81). The indices of 7 children vary from 80.5—84. Here is dominance 
and some prepotence of the small brachycephalic head. 
Family 179b. The mother is very much brachycephalic and has a 
head somewhat smaller than average large. The maternal grand- 
father is very much macrobrachycephalic. The indices of 5 children 
vary from 81—86, (The headsize of the mother is here a boundary 
case). 
Family 239. The mother has a rather small head which is just 
-brachycephalic (80.5). The mother’s sister too. The maternal grand- 
mother has a very small head which is somewhat more brachycephalic 
(81.5). The father is macrodolichocephalic; the paternal grand-mother 
is very much macrobrachycephalic (84). The indices of 8 children vary. 
from 81—86. Here there may be dominance and prepotence of the 
