326 NEBRASKA GEOLOGICAL SURVEY 



Fig. 4. Skull No. (i. Nebraska Man. hack view, showing parietals, interpar- 

 ietal (os incae or os wonnianuin), occipital and right temporal with mastoid 

 process. Sutures deeply dentate. One-half natural size. 



Specimen No. 0-1-11-0(5. The Robert F. Gilder collection. State Musieum. 



Negative No. 18. .5-1-11-06. Hon. Charles II. .Morrill's collection of geological 

 photographs. 



