0' 



/ 



/ 



-A 



MITHSONIAN INbTITUTION 



THE 



CRINOIDEA FLEXIBILIA 



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



BY 



FRANK SPRINGER 



LAS VEGAS, NEW MEXICO 



ASSOCIATE IN PALEONTOLOGY, U. S. NATIONAL MUSEUM 



PLATES 



(Publication 2501) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 



1920 



