868 MAN 



In the Irnnlal Banc: 



Pars squamosa, tlic supcTior Iroiital coinolulions 

 Pars orhitalis, tin- orbital convolutions 

 Pars tfiiiporalis, the inlcrior Irontal fonxolution. 

 //! the Parietal Banc: 



Postcro-nilVrior triangle (Schwaihe), usually some unpressions ol the 



parietal eon\'olutions 

 The parietal fossa corresponding to the parietal emmenee 

 The crista S\ Kii, marking the horizontal ramus of theSvKian fissure. 

 In ibc Tcmjxiral Biinc: 



Pars sc|uam()sa with the greater wing of sphenoid, the middle tem- 

 poral sulcus and the second and third temporal gyres. 

 //! the ()cci])ital Bone: 



The impressiones occi])italis, crista occipitalis, crista margiiTralis and 

 the iuga cerebellaria. 

 In the fossilized skull these features become landmarks of utmost impor- 

 tance as guides in establishing functional localization in the bram of primi- 

 tive man. 



The lumv important fossilized skulls, discovered either in part or largely 

 intact, are gi\en in the aceompanxing tabulations. To the data arc added 

 the names of the discoverers, the place and date of the discovery. Further 

 specifications are included to indicate, is so far as possible, the estimated 

 antiquity and the race of man to which each fossil specimen has been 

 accredited (Tables a and b). 



The Brain oi Puhfcaxthkopus Erectus, the Ape-Max of Java 



According to ])revailing oi^inion, tlu" most ancient human fossil is that 

 of Pithecanthropus erectus. To it an anticiuity of not less than 500,000 years 

 is assigned. Although the humanity of this fossil is disputed by some author- 



