413 



KNOWLEDGE. 



November, 1913. 



471. Wolf. 



472. Leopard. 473. Chacina Baboon. 474. Anubis Baboon. 



FIGURES 471-474 show the marked contrast on the inner 



side of the jaw between the dog-like apes and the Canidae 



and Felidae. 



475. Lemur. 



476. Howler Monkey. 477. Proboscis Monkey. 478. Chimpanzee with 



exceptional pit. 

 Figures 475-478 form an extremely heterogeneous group. 



479. The Piltdown jaw. 



480. Profile section of the 481. Central African Pigmy. 

 Heidelberg jaw. 



Figures 479-481 show prehistoric jaws compared with a low type 

 of modern savage. 



CASTS OF THE 1NSIDES OF LOWER JAWS. 



