SMITHSONIAN INSTITUTION 



THE 



CRINOIDEA FLEXIBILIA 



(With an Atlas of A. B. C. and 76 Plates) 



BY 

 FRANK SPRINGER 



LAS VEGAS, NEW MEXICO 

 ASSOGIATE IN PALEONTOLOGY, U. S. NATIONAL MUSEUM 



TEXT 



(Publication 2501) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 



1920 



