FIGS. 366 TO 371. SIX MEWS OI- THE ENDOCRAMAL CAST OF PITHECAN- 

 THROPUS ERECTUS (JAVAN APE-.MAN) THE MOST PRIMIIIXF KNOWN REPRE- 

 SENTATIVE OF THE HUMAN FAMILY. ESTIMATED ANIiyLII'i OF FOSSIL 

 500,000 YEARS. RESTOKA 1 lONK B'l PROF. J. H. MCGREGOR. 



(a) Vertex, (d) Base Restored. ((;/ ItdiUmI Pole. M)) Oeei|)it.il Pole, (e) Riglu Lateral Surfaee. (1) Left Lateral 

 surface. The frontal convolutions and br.inclies of the middle meningeal artery are especially well 

 defined. The smoother areas in the cast indicate the regions which h.ive been restored. 



[870] 



