\^ SMITHSONIAN INSTITUTION 



3 - 



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t 



On the Crinoid Genus 



SCYPHOCRINUS 



And its Bulbous Root 



CAMAROCRINUS 



(With 9 Plates) 



BY 



FRANK SPRINGER 



ASSOCIATE IN PALEONTOLOGY, U. S. NATIONAL MUSEUM 



(Publication 2440) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 



1917 



