542 



ANNUAL REPORT SMITHSONIAN INSTITUTION, 19 31 



than to that of Eoanthropus. While there is this obtrusive general 

 resemblance to Pithecanthropus^ however, it is important not to 

 minimize the peculiarly significant expansion of the frontal and 

 parietal parts of the braincase which so definitely distinguishes it 



FiouuE 1. — Base of the Peking skull alier rouioviuy; ihe travertine from its interior 



from the skull of Pithecanthropus. There can be no doubt, however, 

 that just as the finding of the jaws in 1928 suggested the possibility 

 of some kinship with the Piltdown man, the skull found in 1929 

 caused opinion to swing in the other direction and suggested a nearer 

 kinship with Pithecanthropus. In 1930, however, when after four 



