320 



X KB R ASK A CKO LOGICAL Sl'RVEY 



Fig. 1. Skull No. (i , Xchiaska Man, top view, showing thick prominent 

 .superciliary ridges, frontal hone without eminences, right and left parietal, and 

 interparietal or os incae at the back. The fronto-parietal, interparietal and 

 occipital sutures are deeplj dentate. One-half natural size. 



Specimen No. 6-1-1 1 -06. The Robert F. Gilder collection, State Museum. 



Negative No. 9-1-11-00. Hon. Charles 11. Morrill's collection of geologica' 

 photographs. 



