SKULLS FROM OTUMBA. 



233 



PLATE LXI. 



SKULL FROM AN ANCIENT TOMB AT OTUMBA, IN MEXICO. 



Found with the two preceding heads, but larger, and approaching nearer to 

 the Caucasian model, both in its proportions and facial angle. 



MEASURE 



MENTS. 



Longitudinal diameter. 



Parietal diameter, . 



Frontal diameter. 



Vertical diameter, . 



Inter-mastoid arch, . 



Inter-mastoid line, . 



Occipito-frontal arch, 



Horizontal periphery. 



Internal capacity. 



Facial angle, . 



The subjoined wood-cuts will serve to convey an 

 Mexican skulls, remarkable for a low, narrow forehead, 

 of the whole posterior region of the cranium. 



7.1 inches. 



5.6 inches. 



4.6 inches. 



5.5 inches, 

 15.5 inches. 



4.1 inches, 

 15. inches. 

 20.2 inches. 

 87. cubic inches. 



80 degrees, 

 idea of another of these 

 and unusual development 



59 



