Machiganga Indians of the San Miguel Valley 73 



Nasal Measurements and Indices. 

 The height of the nose was measured from the site of the 

 nasion to the site of the subnasal point, the breadth from the 

 lower border of one ala to the opposite symmetrical point. 



The average height in the male is 50, the extremes 58 and 43, 

 and the variation range 15. The breadth averages 42, the 

 extremes 49 and 2)7^ arid the variation 12. In the female the 

 average height is 46, the extremes 52 and 38, and the variation 

 range 14. The breadth averages 38, the extremes 46 and 33, and 

 the variation range 13. The nose height is less than in the female 

 and is less in the Machiganga than in the Quichua (57<^, 53 5). 

 There is a general relation of the nasal dimensions to the facial, 

 i. e., a long nose accompanies a long face and a broad nose a 

 broad face. 



The physiognomic nasal index in the male averages 85.4, with 

 1 1 1.4 and 68.4 as extremes, and a range of variation of 42.9. 

 In the female the average is 86.6, with extremes of 97.37, and 

 a range of variation of 28.62. The average nose is chamaerrhine 

 in the male but mesorrhine in the female. This index in the 

 Machiganga is nearly the same for both sexes but with a smaller 

 variation range in the female and is larger than in the Quichua. 

 The seriation table shows that 5.6% of the males and 6.7% 

 of the females are leptorrhine (55-69.9), 50% of the males and 

 60% of the females are mesorrhine (70-84.9), 33.3% of the 

 males and females are chamaerrhine (85-99.9), and 11.1% of 

 males are hyperchamaerrhine (100-). 



By inspection the dorsum of the nose in the male is found to 

 be straight in 11.1%, in the female in 26.7%; convex in the 

 male in 16.7%, in the female in 20%; slightly convex in the 

 male in 66.7%, in the female 33.3%; and concave in the male 

 in 5.5% and slightly concave in 20% of the females. The convex 

 nose is the predominant form in both sexes of the Machiganga 

 while the straight and sinuous nose is most frequently found in 

 the Quichua. 



The nasal depression is "shallow" in all of the males and 

 females, according to the records. An inspection of the photo- 

 graphs, however, would lead us to believe that there had been a 

 misinterpretation of the term "shallow" as applied to the nasal 

 root, which is certainly markedly depressed in many of the 

 Machigansra. 



