SMITHSONIAN INSTITUTION 



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 



TEXT 



(Publication 2501) 



CITY OF WASHINGTON 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 



1920 



