ILLUSTRATIONS 



FIGURE PAGE 



M. Modern man {Homo sapiens), represented by 

 left lower molar. 



N. Modern man {Homo sapiens), represented by 

 left upper molar. 



39. — One of Our Nearest Living Relatives. 



Female Chimpanzee and Young . facing 64 



(After Yerkes, from a photograph taken for Mme. 

 Rosalia Abreu.) The baby chimpanzee was born in 

 Mme. Abreu's private collection of living primates, 

 at Quinta Palatine, Havana, Cuba. 



(From " Almost Human." Courtesy of the author 

 and The Century Co.) 



40. — Male and Female Chimpanzees . facing 65 



(After J. A. Allen, from photographs by Herbert Lang.) 



41. — Left Lower Cheek Teeth of Fossil Anthro- 

 poid (Dryopithecus, B) from India and 

 Fossil Primitive Man (Eoanthropus, A) from 

 PiLTDOWN, England .... facing 66 



The lower molars of the Piltdown jaw, although 

 much ground down by wear, show the pure " Dryopi- 

 thecus pattern" characteristic of recent and fossil 

 apes. 



(A, from photograph by J. H. McGregor; B, after 

 Gregory and Hellman.) 



42. — Fossil Anthropoid and Human Skulls . 68 



A. Australopithecus. A young extinct anthropoid, 

 Bechuanaland, South Africa. (After Dart.) 



B. Eoanthropus, England. (After A. S. Woodward 

 and J. H. McGregor.) 



C. Pithecanthropus erectus, Java. (After Dubois.) 



D. Neanderthal (La Chapelle-aux-Saints), Europe. 

 (After Boule.) 



E. Talgai, Australia. (After Stewart A. Smith.) 



F. Rhodesia n, South Africa. (After A. S. Wood- 

 ward.) 



xxi 



