STRATIGRAPHY OF FOSSILIFEROUS MEMBERS 



57 



Section along a small tributary of Jonathan Creek near White Cottage, 

 Newton Township, Muskingum County 



Allegheny formation: Feet Inches 



Shale, rather fossiliferous 7 



Limestone, blue, fossiliferous, Putnam Hill __ 6 



Shale, siliceous, fossiliferous 5 



Pottsville formation: 



Sandstone, thin bedded 20 



Covered 30 



Shale, siliceous 14 



Clay shale, black __ 3 



Clay shale, gray _. 11 



Sandstone, nodular, very fossiliferous __ 3 



Covered N __ 9 



Shale, dark, calcareous, very fossiliferous 2 2 



Shale, bony __ 2 



Coal __ 10 



Sandstone and covered 12 



Clay shale, bluish gray, very fossil- 

 iferous 1 



Limestone, nodular, very fossiliferous Lower Mercer 2 4 



Clay shale, bluish gray 2 10 



Limestone, fossiliferous __ 10 



Shale, black. r - -- 2 



Coal, cannel, Middle Mercer __ 3 



Clay J 3 5 



The following collections were made: 



FOSSILS FROM THE HARD LIMESTONE 



Crinoid segments 



Derbya crassa (Meek and Hay den) 

 Chonetes mesolobus Norwood and Pratten 

 Pustula nebraskensis (Owen) 

 Marginifera muricata var. missouriensis Girty 

 Spiriferina kentuckyensis (Shumard) 

 Composita subtilita (Hall) 



FOSSILS FROM THE SOFT SHALE ABOVE THE LIMESTONE 



Lophophyllum profundum (Milne-Edwards and Haime) 

 Crinoid segments 



Fenestella shumardi Prout? 

 Septopora biserialis (Swallow) 

 Rhombopora lepidodendroidea Meek 



Crania modesta White and St. John 

 Derbya crassa (Meek and Hayden) 

 Chonetes mesolobus Norwood and Pratten 

 Productus cora d'Orbigny 



