BULLETIN NO. 10. 



OF THE 



Illinois State Museum 



OF 



NATURAL HISTORY. 



NEW SPECIES OF ECHENODERMATA AND A NEW 

 CRUSTACEAN FROM THE PALEOZOIC ROCKS. 



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



Published quarterly by the Illinois State Museum of Natural History. 



Springfield, Illinois. 

 July 10, 1896. 



Entered as second class matter at the Postoftie at Springfield, 111. 



SPRINGFIELD, ILL. 

 Ed. . Hartmann, State Printer. 



1896 



