232 



CRANIA AMERICANA 



PLATE LX. 



SKULL FROM AN ANCIENT TOMB AT OTUMBA, IN MEXICO, 



This head was obtained with the preceding, is a little larger and not so 

 spherical : the frontal region is also better developed, yet the projecting face gives 



a low facial angle. 



MEASUREMENTS, 



Longitudinal diameter, 

 Parietal diameter, 

 Frontal diameter. 

 Vertical diameter, 

 Inter-mastoid arch, 

 Inter-mastoid line, 

 Occipito-frontal arch, 

 Horizontal periphery. 

 Internal capacity. 

 Facial angle. 



6.6 



inches. 



5.3 inches. 



4.4 inches. 

 5.4 inches. 



14. 



inches. 



4. inches. 

 14. inches. 

 19.3 inches. 

 76. cubic inches. 

 77 degrees. 



