384 GLACIAL FORMATIONS OF EKIE AND OHIO BASINS. 



member coming to that stream near Circleville and the outer some 14 

 miles farther south. 



West from the Scioto River for 15 miles or more the morainic system 

 leads over a hilly district and morainic features have an interrupted devel- 

 opment, the inner member, which east of the Scioto is everywhere strong-, 

 becoming here vaguely defined; but in western Ross County the morainic 

 system again shows distinct members, four of them being readily traced 

 northwestward from this county. 



The outer one follows the southwest side of Rattlesnake Creek across 

 northeastern Highland County. Leaving this creek, it continues northwest- 

 ward through Clinton and northward tlirough eastern Greene County, con- 

 stituting the divide between tributaries of the Scioto and Little Miami rivers. 

 Continuing north, it enters the Miami drainage area in Clark County, and 

 is distinctly traceable about to the latitude of Springfield, where it becomes 

 difficult to trace because of its close association with later members of the 

 system. This belt is the one whose course is outlined by Professor Cham- 

 berlin in the Third Annual Report. Its breadth is about 2 miles, and it is 

 clearly distinguishable, by its prominent morainic features, from the nearly 

 plane tracts on either side. 



The second member of the system follows the northeast side of Rat- 

 tlesnake Creek from its mouth to its source and determines the course of 

 that stream. It becomes merged with later belts in southeastern Clark 

 County. Its width is scarcely a mile, but throughout its entire length it 

 presents sharp knolls and ridges that produce a strong contrast with border- 

 ing plane tracts. 



The third member passes from Roxabell, in Ross County, in a course 

 north of west, lying mainly south of the Dayton and Southeastern Railway, 

 to Paint Creek, which it crosses between Washington and the mouth of 

 Sugar Creek. From Washington its course is northward along the east side 

 of Sugar Creek to the source of that stream, and thence a few miles north 

 in conjunction with the member west of it. It then becomes merged (near 

 the latitude of Springfield and London) with the remaining members of the 

 system. This member has a general width of about 2 miles. 



The fourth member follows the southwest side of North Paint Creek 

 for a few miles in nortliwestern Ross and southeastern Fayette counties. It 

 leaves that stream near the line of the Cincinnati and Muskingum Valley 



