Latcham.—NOTES ON SOME ANCIENT CHILIAN SKULLS 155 
~~ 
This index places this group with the Esquimaux among the 
most hypsicephalic peoples of the earth. 
The proportions and shape of the frontal region are also very 
similar in the two races as shown below. 
Frontal index. 
15 Esquimaux (Broea).............2. eer ip 94.1 
A A A Een 185 ule 
stephanic index. 
10 Esquimaux (Cambridge Museum)......... 812 
i " (Duck worth)... vanessa: 80.9 
IOLIADS: a arde Rae O 
The same thing occurs in the orbital index. 
$ Esquimaux (Duekworthl....... 0.34. 87.5 
10 i" (Cami: Mus io dl UO ooo 
AT ee a 87.5 
In the nasal index there is a slight difference, the Esyuimaux 
being considered the most leptorhine of races; the Chilians of 
this series slightly mesorhine. 
IB QUIEaUx (BOCA lis 2.2. Un alcoi o de 42.3 
15 i (Duckworth)io.2ol2......8 408 
9 ” INN a a oo o toe Ca 44. 
10 " (Camby Musi)s2 26.2% 45.5 
PIVCEA MEG URGES A A A Ea 
A A oS nine ARs 
Facial index. This may be taken in two ways; 1. that used 
by M. Broca 2. that used by Kollmann. The first is obtained 
by the following formula: 
(A length x —) 
zygomatic diameter 
the second changes the ophryo-alveolar length for the naso- 
alveolar. 
