DU BOIS'S PITHECANTHROPOID. 



w 



HILE digging for fossils on the island of Java, 

 Professor Du Bois discovered some bones in the 



SKULL OF PREHISTORIC MAN OF SPY IN BELGIUM. 



From Professor Fraipont's photograph of the original in the Museum 



at Liege. ( Weltall und Menschheit, II, 21.) 



year 1891 on the banks of the Bengawan river near the 

 Trinil farm. The sand is volcanic and so the theory sug- 



