Field Columbian Museum. 

 Publication No. 114. 

 Geological Series. Vol. II, No. 9 



HYPSOCRINUS, A NEW GENUS OF 



CRINOIDS FROM THE 



DEVONIAN. 



-O 

 CD 



BY 



Frank Springer 



AND 



Arthur Ware Slocom, 



Assistant in Paleontology 



Oliver Cummings Farrington, Ph. D. 

 Curator, Department of Geology. 



Chicago, U. S. A. 



June 1, 1906. 



