624 



THE HIGHER ANTHROPOIDS 



ing supra-()rl)ital ridges. A hca\-v sagittal cii'st ot Ijoiic extends Irom tlie 

 frontal to the oeeipital region, giving attaehnient to an exeeptionally large 

 temporal nuisele whose presence, together with a sliort, thick neck, imparts 



(j>utU\\, AnnTUtm Museum of Natural HisloTV 



FIG. 2-5. GORILLA GROUP, FROM THE AMERICAN MUSEUM OF N.-\TURAL 

 HISTORY. THESE SPECIMENS WERE OBTAINED AND PREPARED RV THE LATE 

 MR. CARL AKELEV IN HIS LAST GORILLA HUNT. 



