54 



POTTSVILLE FAUNA OF OHIO 



Feet Inches 



Shale ___________________________________________________ .. 2 



Coal, bony, Middle Mercer _________ ______________________ __ 7 



Clay, light _______ . ______________ _ ______________________ 6 



Sandstone, light, argillaceous _____________________________ 1 5 



Coal, impure, Flint Ridge ______________ __________________ __ 3 



Clay, light _____________________________________________ 5 6 



Perry County. The Lower Mercer limestone is well developed in 

 Perry County, but varies greatly in thickness from place to place. 

 The following geologic sections show the character of the member and 

 its relation to the overlying and underlying deposits: 



Section 11, Clayton Township: 



Feet Inches 



Limestone, flinty, ferruginous, Upper Mercer ___________ 2 6 



Shale ___________________ _ __________________________ 1 6 



Coal, bony, Bedford ______________ :___ _______________ __ 8 



Covered ___________________________________________ 5 



Limestone, Lower Mercer ________ ____________________ 1 



Coal blossom, Middle Mercer _________________________ 1 



Section 23, Hopewell Township: 



Feet Inches 



Limestone, shaly, very fossiliferous A Lower Mercer / 6 

 Limestone, blue, hard, fossiliferous- _J "1 1 2 



Coal blossom, Middle Mercer _________________________ __ 3 



Clay, siliceous ______________________________________ 10 



Section 17, Monday Creek Township, west of Maxville: 



Feet Inches 



Limestone, very fossiliferous, Lower Mercer ____________ __ 7 



Coal blossom, Middle Mercer _ ___ _____________________ __ 6 



Clay ______________________________________________ 1 6 



Shale, sandstone, and covered _______ fc ______________ _ _ 69 



Coal, shaly, Bear Run _______________________________ __ 4 



Clay, light _____________ _ ___________________________ 2 8 



Sandstone, shale, and covered ________________________ 27 



Clay, Sciotoville _____________________________________ 3 2 



Sandstone _________________________________________ 2 



Covered ______________ _____________________________ 3 



Limestone, Maxville _________________________________ 4 



The collection of fossils listed below was obtained in Section 10, 

 Reading Township, from the very fossiliferous shales above the Lower 

 Mercer limestone in the cut of the Baltimore & Ohio Railroad at Som- 

 erset, and from the roadbed about one-half mile south of Somerset 

 (Locality 35) : x 



fossils are among the paleontological collections at Western Reserve 

 University. They were collected by Mr. Eber Hyde, of Lancaster, and were made 

 available to the writer for study through the kindness of his son, Professor Jesse E. 

 Hyde, of Western Reserve University, Cleveland, Ohio. 



