434 



BEAN. 



There are no heads larger than medium size, but there are 9 smaller ones, 7 

 of which are brachyeephalic. The smallest head of the series is dolichoceplialic. 

 There is a preponderance of dolichocephalic heads [41] over brachyeephalic [18J 

 which indicates that the Igorots are largely a dolichocephalic people, with medium- 

 sized heads and that the brachyeephalic portion of the population has small heads. 



A more detailed analysis reveals the relationship of the head form in 

 different localities. It is to be seen that the Bon toe group is funda- 

 mentally dolichocephalic, the highland is largely dolichocephalic and 

 mesocephalic, while the lowland is for the greater fiart mesocejihalic and 

 brachyeephalic. The percentage of dolichocephalic heads decreases from 

 57 in the Bontoc group to 29 in the lowland ; that of mesocephalic heads 

 increases from 29 in the Bontoc to 46 in the lowland; while the per- 

 centage of brachyeephalic heads increases from 14 in the Bontoc to 25 

 in the lowland group. It is of interest to note that 54 per cent of the 

 brachyeephalic heads in the lowland group belong to the m/s class. 46 

 belong to the m/m, and 86 per cent of the m/s brachycephals are in the 

 lowland group, whereas only 14 per cent are found in the highland and 

 none in the Bontoc. The Bontoc group has not only a larger percentage 

 of dolichocephalic heads and a smaller of mesocephalic and brachyeephalic 

 than the other groups, but there are no small heads in the Bontoc group. 



Cephalic index hy locality. 



Group. 



^bir 



s/s 



m/s 



m/m 



Per 

 cent. 



Bontoc 



Highland 



Lowiancl 



Dolichocephalic 



Mesocephalic 



Brachyeephalic 



Total 



8 



4 

 2 





 

 





 

 



8 

 4 



2 



57 

 29 

 14 



14 1 







14 



100 



Hyperdoliehocephalic 



Dolichocephalic 



Mesocephalic 



Brachyeephalic 



Hypherbrachy cephalic 



Total _ 



] 

 20 

 19 



5 



1 





 1 





 

 





 

 



1 







1 



19 

 19 

 4 

 1 



2 



44 

 41 

 11 



2 



46 



1 



1 



44 



100 



Dolichocephalic 



Mesocephalic 







13 

 20 

 11 





 1 



6 



13 



19 



5 



29 

 46 

 25 



Brachyeephalic 



Total _ 



44 



7 



37 



100 









It has already been demonstrated from von Torek's classification of 

 the cephalic index that neither the length nor the breadth of 'the Igorot 

 head is above medium size, and at least one group, the Lowland, has 

 head dimensions below medium size. 



