Ft. In. 



Earth with drift boulders 



Limestone, Putnam Hill 14 



Shale and sandstone 50 



Coal 8 



Fire clay 2 



Shale . 32 



Coal 6 



Fire clay 2 



Coal 1 



Fire clay 2 



Limestone ( Upper Mercer) 3 



Coal 1 3 



Fire clay 8 



Shale and sandstone 36 



Limestone (Lower Mercer) 2 



Gray shale 20 



Coal 3 



Fire clay 2 



Drab shale 50 



Dark, siliceous limestone (Lowellville) 1 



Shale 20 



Black shale and iron ore 5 



Drab shale 50 



Sandstone 15 



Mahoning River 



The fossils below were obtained from the Lowellville limestone 

 at Lowellville: 



Crinoid segments 



Orbiculoidea missouriensis (Shumard) 



Derbya crassa (Meek and Hayden) 



Chonetes choteauensis Mather 



Productus cora d'Orbigny 



Pustula nebraskensis (Owen) 



Marginifera muricata var. missouriensis Girty 



Marginifera wabashensis (Norwood and Pratten) 



Spiriferina kentuckyensis (Shumard) 



Spirifer opimus Hall 



Composita subtilita (Hall) 



Parallelodon sangamonensis (Worthen) 



Pseudorthoceras knoxense (McChesney) 



Summary 



The complete list of fossils collected from the Lowellville lime- 

 stone follows: 



Cordaites sp. 



Calamites sp. 



Crinoid segments and plates 



Fenestella shumardi Prout? 



Fenestella sp. 



Lingula carbonaria Shumard 



Orbiculoidea missouriensis (Shumard) 



Rhipidomella pecosi (Marcou) 



Derbya crassa (Meek and Hayden) 



29 



