BULLETIN NO. 6 



OF THE 



Illinois State Museum 



OF 



NATURAL HISTORY 



DESCRIPTION OF NEW SPECIES OF PALiEOZOIC 

 ECHINODEEMATA. 



By S. A. MILLEK and Wm. F. E. GUELEY. 



Spkingfield, Illinois, 

 April 5, 1895. 



SPRINGFIELD, ILL. 

 Ed. F. Hartmann, Statb Printer. 



1895 



