BULLETIN NO. 10. 



OF THE 



Illinois State Museum 



OF 



NATURAL HISTORY. 



NEW SPECIES OF ECH[NODERMA.TA AND A NEW 

 CRUSTACEAN FROM THE PAL.EOZOIC ROCKS. 



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



Published quarterly by tbe Illiaois State Museum of Natural History. 



Springfield, Illinois. 

 .July 10, 1896. 



Eutereil as eecond class matter at the rustotHu at Spriugfield, III. 



SPRINGFIELD, ILL. 

 Bd. . Habthann, State Phintbb. 



1896 



