128 E. C. Case — Awphibian Fauna at Linton^ Ohio, 



absent, then follows 10 feet of shale and 5 feet of limestone, 

 obviously not the upper bed at (4), and then 50 feet of shale 

 and sandstone. The Lower Freeport is 7 feet thick, the lower 

 part cannel coal, with 5 feet of fire clay and below this 7 feet 

 of shale and sandstone with possibly thin layers of coal. At 

 Wellsburg, Brooke County, West Virginia (6), the Upper 

 Freeport Coal has been removed by erosion, but there are 40 

 feet reported as fire claj^ 5 feet of Lower Freeport Coal, no 



Fig. 2. 



12 3 4 5 6 7 



Fig. 2. Sections taken from, the stations indicated on, the map, fig. 1. 

 Black, coal, Upper and Lower Freeport, Upper and Middle Kittanning. 

 White, fire clay and unknown. Dotted, sandstone. Lined, shale and shaly 

 sandstone. Obliquely lined, ''slate." Vertically lined, limestone. 



cannel, and one foot of fire clay underlain by 60 feet of shale 

 and slate. At Wheeling, Ohio County, West Virginia, the 

 Upper Freeport is removed by erosion, but there are 50 feet 

 of blue shale, then 7 feet of Lower Freeport Coal, without 

 cannel or fire clay, lying above 96 feet of shale and sandstone. 

 West of Linton the Lower Freeport Coal shows, in the adjacent 

 counties at least, a decided thinning, with a corresponding in- 

 crease in the accompanying layers. " The Lower Freeport 

 Coal becomes locally important as the Whan Coal bed within 



