TJic Indians of Cucco 13 



The conjunctiva in the male was yellowish in 94.1%. white 

 in 4.7%, and in one case the color of conjunctiva could not be 

 determined because df the presence of a conjunctivitis. In the 

 females the proportions are somewhat different, the conjunctiva 

 showing- yellowish in 85.3% of the cases and white in 14.7%. 

 Whether this difference constitutes a real sex character or is an 

 indication of greater extent of racial impurity in the female the 

 writer is unable to say. 



Angle of Mandible. 



In the male the angle of the lower jaw was medium in 30.6%, 

 submedium in 16.5'^c, and supramedium in 52.9%. 



In the female the angle in 35.3% was medium, in 5-9/^0 sub- 

 medium, and in S^.S^/c above medium. There were no cases of 

 pronounced angle in either sex. 



Alveolar Prognathism and Lips. 



This was determined by inspection and in the males 90.6% 

 showed a medium degree of prognathism, 9.4% a supramedium, 

 none showed a pronounced degree. 



In the case of the females 97.1% were medium in prognathism 

 and 2.9% were supramedium. None were pronounced. Alveolar 

 prognathism seems somewhat more marked in the female than 

 in the male. 



In the males the lips were classified as medium thick in 74.1%, 

 above medium in 23.5%, and submedium- in 2.4%. No cases 

 were recorded as thin or very thick. 



In the females 70.6% of the lips are medium, 26.5% above 

 medium, and 2.9% submedium. Here also there were no examples 

 of thin or very thick lips. The degree of eversion was not noted. 

 So far as the lips are concerned there is little difference noticeable 

 in the sexes ; a slight preponderance of the supramedium lip, 

 however, is present in the female. 



Chin. 



In the male Quichua the chin was found medium in prominence 

 in 62.4% of cases, submedium in i/.6Yc, above medium in 20%. 



In the female the chin was medium in 64.7%, submedium in 

 20.6%, and above medium in 14.75^. There were no cases where 



