L. Manouvrier — Pithecanthropus erectus. 



223 



The maximum error possible for the separate points of 

 the skull has been limited by correlations so diverse and 



Fig. 5 (fig. 57)— Skull from Turkestan of bestial aspect in which is inscribed, by 

 means of a dotted line, the cranial cap of Trinil. — IP, Inio-orbital line common to 

 the two skulls. — T, Curved temporal line of the skull of Turkestan. This skull is 

 extremely remarkable for the extent of the surface of insertion of the temporal 

 muscle. It presents the crest pt of figure 4 (56). The sincipital region is muti- 

 lated by a sabre stroke. 



rigorous that the errors which could have been committed 

 cannot modify them, notably the general form of the skull, 



Fig. 6 (fig. 58) — Skull of a young chimpanzee. 



properly speaking,, and its orientation. The figure thus ob- 

 tained seems to me to make it evident that, it is impossible, 



