254 



The Ohio Naturalist. 



[Vol. XIV, No. 4, 



On the uppermost layer of the limestone are seen splendid 

 striations. In places the rock surface is worn smooth, polished, 

 and clearly striated. The striae run in a northeastward direction. 

 The exposure shows the thin, rough, undulating, uneven bedding 

 of the upper layers of the Greenfield dolomite. The beds dip 

 rapidly to the southwest and pass under the overlying drift abotit 

 the middle of the cut. There is an interval of possibly 30 feet 

 between the southern end of the cut and the place where the 



Fig. 4. Map of the Paint Creek cut. 



material was deposited. This interval is free from deposits 

 except some very large glacial bowlders. vSomc variation in the 

 velocity of the stream held the material in suspension only to drop 

 and spread it out lower down. The re-deposited drift material 

 is spread over a heavily sodded pasture to a thickness of three feet, 

 covering a space 3.50 feet long and 100 feet wide. Comparing 



