746 



GENETICS AND EVOLUTION 



Figure 36.8. Front and side views of a reconstructed skull of Peking man, 

 Sinanlhiol)us pekinensis. Note the massive bony ridges over the eyes, the low, retreat- 

 ing forehead, the protruding jaws and the absence of a chin. (Courtesy of the Amer- 

 ican Museum of Natural History, New York.) 



Other remains found in limestone caves near Peking, China, are 

 those of a primitive ape man of the middle Pleistocene, some half 

 million years ago. Their discoverer, Davidson Black, named them Sinan- 

 thropus pekineusis. The skeletons of more than forty individuals have 

 now been found and it is possible to make fairly complete reconstruc- 



