THE HISTORY OF OUR SPECIES. 89 



and petrifaction of their skeleton. Thus, by the 

 discovery of this fossil man -monkey of Java the 

 descent of man from the ape has become just as 

 clear and certain from the palaeontological side as it 

 was previously from the evidence of comparative 

 anatomy and ontogeny. We now have all the 

 principal documents which tell the history of our 

 race. 



