REFERENCES. 



1. Chervin. Dr. Arthur. Anthropologic Bolivienne, Vol. 2, 



Paris, 1907. 



2. d'Orbigny, A. L'homme Americain. Paris, 1839. 



3. Eaton, George F. The Collection of Osteological Material 



from Machu Picchu. Memoirs of the Connecticut Acad- 

 emy of Arts and Sciences, Vol. V, May, 1916. 



4. Ferris, H. B. The Indians of Ciizco and the Apurimac. 



Memoirs of the American Anthropological Association, 

 Vol. Ill, No. 2, 1916. 



5. Forbes, David. On the Aymara Indians of Bolivia and Pern. 



The Journal of the Ethnological Society of London, N. S., 

 Vol. 2, pp. 193-205. 



6. Gladstone, J. R. A Study of the Relations of the Brain to the 



Size of the Head. Biometrika, Vol. 4, p. 105, 1906. 



7. Hrdlicka, Dr. Ales. Physiological and Medical Observations 



among the Indians of Southwestern United States and 

 Northern Mexico. Smithsonian Institution Bureau of 

 American Ethnology. Bulletin 34. 



8. The Natives of Kharga Oasis, Egypt. Smithsonian 



' Miscellaneous Collections. Vol. 59, No. i, 1912. 



9. Martin, R. Lehrbuch der Anthropologic. Jena, 1914. 



