THE ORIGIN AND ANTIQUITY OF MAN 73 



is made. With these warnings in mind we may proceed 

 to the study of prehistoric man's tools. 



From Forrer. " Urgcschichtc dos KuropaCTs," 



FIGURE 27. Stone Implements of the early Paleolithic Period, 

 Stre"pyan and Chellean. 



Mr. Marett tells of a cave in Jersey, near the bay of 

 St. Brelade, where anthropologists dug down through 

 some twenty feet of clay and rock rubbish, probably car- 

 ried there in the course of the last ice age by some glacial 

 torrent, and discovered a prehistoric hearth with the 

 large stones that had propped up the fire, and even some 

 ashes. Bones were found in a heap of food-refuse, 



