1887.] 



433 



[Wright. 



and shape of one made of the same material, found by Dr. Abbott 

 in the Trenton, N. J., gravel, and is of special interest as the first 

 one known from the gravels of Ohio." Professor Putnam's an- 

 nouncement, followed by a letter from Dr. Metz, saying that he 

 had since found another implement in the gravel at Loveland, led 

 me, on the 11th and 12th of November, to visit the localities and 



Fig. 4. Map of the eastern portion of Hamilton county, Ohio. The space covered 

 by horizontal lines is occupied by preglacial valleys, filled to a height of 100 to 200 feet 

 above the Ohio River with modified drift. The unlined portion consists of the table- 

 land from 200 to 500 feet above the river. 



see their relation to the glacial deposits of the region. The results 

 I here detail. 



Madisonville is situated eleven miles northeast of Cincinnati, in 

 a singular depression connecting the Little Miami River with Mill 

 Creek, about five miles back from the Ohio (see Fig. 4). The Little 



PROCEEDINGS B. S. N. H. VOL. XXIII 28 APRIL, 1888. 



