FIG. 319. TABLLAllO.N SHOWING PKOIESSOK OSBOKN S LATEST ESTIMATES 

 OF man's ANTIQUITY, HIS INDUSTRIES, ARTS AND RACES. 



The rise of man is attributed to tlic Pliocene Epoch. The beginning of the cave period is indicated at approxi- 

 mately 300,000 years ago. 



[734] 



^ •>;?;/. 



