THE STORY OF THE GORILLA. 



253 



points of resemblance to the human type are far fewer; the aged animal has 

 become a gigantic ape, retaining indeed, in the structure of his hands and 

 feet, the characteristics of his kind, while the protruding head is something 

 between the muzzle of the baboon, the bear, and the boar. Simultaneously 

 with these remarkable alterations of the outer structure there occurs a 

 change of the skeleton. The skull of an aged male gorilla becomes more 

 projecting at the muzzle, and the dog teeth have almost attained the length 



GORILLA AND YOUNG. 



of those of lions and tigers. On the upper part of the skull, which is rounded 

 in youth, great bony crests are developed on the crown of the head and on 

 the forehead. The arches above the eye-sockets are covered with wrinkled 

 skin, and the already savage and indeed revolting appearance of the gorilla 

 is thereby increased." 



Natural history is indebted to Paul Du Chaillu, the African traveler 

 and explorer, for its first definite knowledge of the gorilla. 



