MISSISSIPPIAN. 



413 



The detailed stratigraphy of the foregoing section has been described by Hop- 

 kins and Siebenthal/®* Ashley,^* and Newsom,"^ and the faunal relations have been 

 discussed by Kindle."^ 



The Mississippian of Kentucky has been classified by Ulrich *^* in a manner 



differing in several respects from any arrangement previously published. It is as 



follows : 



Formations in the Kentucky- Illinois Jluorite district. 



o The matter in this column is generalized and incomplete. It will be given in greater detail in a work on the 

 Paleozoic section in the Mississippi Valley soon to be published by the writer. 



