BULLETIN NO. 4 



OF THE 



Illinois State Museum 



OF 



NATURAL HISTORY. 



UPPER DEVONIAN AND NIAGARA CRINOIDS. 



By S. a. MILLER and Wm. F. E. GURLEY. 



Springfield, Illinois, 

 October 15, 1894. 



SPRINGFIELD, ILL. 

 Eu. F. Hahtman. State Printer, 



1894. 



