154 



CRANIA AMERICANA. 



Inter-mastoid line, . 

 Occipi to-frontal arch. 

 Horizontal periphery. 

 Internal capacity, . 

 Capacity of the anterior chamber. 

 Capacity of the posterior chamber 

 Capacity of the coronal region. 

 Facial angle, , . . . 



4.4 inches. 

 14.6 inches. 

 19.9 inches. 

 89.5 cubic inches. 

 33.5 cubic inches. 

 56. cubic inches. 

 19.5 cubic inches. 



80 degrees. 



The skull represented in the above diagrams came too late to be lithographed ; 

 but in a future part of this work are inserted three heads from Otumba, which 

 will materially assist in completing this section of the illustrations. (See Plates 

 59, 60, 61.) 



PLATE XVII.— A. 



MEXICAN. 



This is the cranium of a Mexican Indian of the Pames tribe, whose location 

 is at the hamlet of San Lorenzo, not far from the city of Mexico. It was 

 exhumed at the particular request of the late Dr. Antommarchi, Physician to 



