BEEDE : FAUNAL STUDIES, II. 181 



40. Eskridge Shales. Prosser, MSS. About thirty feet 

 of shales between the above and the base of the Cottonwood 

 limestone. 



41. Cottonwood Limestone. Six feet of light buff-gray 

 limestone, in two layers, the upper usually somewhat cherty, 

 and filled with a small form of Fusulina secalica ( Say) . An ex- 

 cellent dimension stone, of wide distribution. Fossils rare. 



Fusulina secalica (Say) . 



LopJiophyllum prof nudum ( Milne-Edwards and Haime) Foerste. 



Archseocidaris sp. 



Cystodictia ineqiiimarginata Rogers. 



Fent stella limbata Foerste. 



Fenestella remota Foerste. 



Fistulipora nodulifera Meek. 



Pinnatopora sp. 



RJiabdomeson americanus Rogers. 



Rhombopora lepidodendroides Meek. 



Septopora biserialis (Swallow) Foerste. 



Streblotrypa prisca Gabb and Horn. 



Chonetes granulifer Owen. 



Pinna sp. 



Griffithides scitula (Meek and Hayden) Vogdes. 



Geological Laboratory, Indiana University, 

 June 14, 1902. 



