Explanation of Plate XXVIII. 



Figure i. — Ost. Coll. 3248. From Cave 107. Skull of a young woman about 17 years of 

 age, showing extreme Aymara or highland deformation. Anterior view. 



Figure 2. — The same skull. Lateral view. 



Figure 3. — The same skull. Superior view. 



Figure 4. — The same skull. Basal view. 



