MAN AND THE GLACIAL PERIOD. 



3'5 



quarter the diameter. Beside it is a palseolith which came into 

 my possession from Dr. Evans's collection in London, with his cer- 

 tification that it is from the valley of the Somme. The two im- 

 plements, as they appear side by side, are in shape and finish the 

 exact counterparts of each other. The one from Newcomerstown, 



however, is made from a local flint which occurs in nodules in the 

 " Lower Mercer " limestone, which is situated in the lower part 

 of the coal-measures, and crops out a few miles from there. 



The implement has upon it the patina characteristic of the 

 genuine flint implements" of great age in the valley of the Somme, 

 and is recognized by Prof. Haynes, of Boston, as in itself fulfilling 

 all the requirements looked for in such a discovery. The gravel- 

 pit in which it was found is one which for some years has been 

 resorted to by the railroads for ballast. Mr. Mills saw the imple- 

 ment as it was projecting from the undisturbed gravel in the 

 fresh exposure, and took it out with his own hands. The surface 

 of the glacial terrace is here thirty-five feet above the present 

 high-water mark of the river, and, as already said, the implement 

 was found fifteen feet below the surface. The terrace is one 



