ILLUSTRATIONS 



FIGURE PAGB 



G. Cro-Magnon. (After Verneau.) 

 In the female and young skulls the brow ridges are 

 less projecting or entirely lacking. 



43. — Anthropoid and Human Skulls. Top View 69 



A. Chimpanzee. (After Boule.) 



B. Pithecanthropus. (After Dubois.) 



C. Neanderthal (La Chapelle-aux-Saints). (After 

 Boule.) 



D. Cro-Magnon. (After Boule.) 



44. — Anthropoid and Human Skulls. Front View 70 



(After Boule.) 



A. Chimpanzee. 



B. Neanderthal (La Chapelle-aux-Saints). 



C. Modern European. 



45. — Comparative Views of Sectioned Lower 



Jaws ....... 71 



A. Dryopithecus. (After Gregory and Hellman.) 



B. Chimpanzee. 



C. Piltdown. (After A. S. Woodward.) 



D. Heidelberg. (After Schoetensack.) 



E. Ehringsdorf. (After Virchow.) 



F. Neanderthal (Le Moustier). (After Weinert.) 



G. Cro-Magnon. (After Verneau.) 



46. — The "Almost Human" Skull of Australopi- 

 thecus, A Young Fossil Anthropoid . facing 72 



(After Dart.) 



47. — Restoration of the Head of the Young 



Australopithecus .... facing 73 



(After a drawing by Forrestier made under the direc- 

 tion of Professor G. Elliot Smith.) 



48. — Evolution of the Human Skull: Ten Struc- 

 tural Stages ...... 78 



I. Lobe-finned fish, Devonian age (essentially 

 Rhizodopsis) . (After Traquair, Watson, Bryant.) 



xxii 



