

n^ 



Tj. 



AT HARVARD COLLEGE. 

 Vol. XXV. No. 1. 



UINTACRINUS: 



ITS STRUCTUEE AND RELATIONS. 



BY 



FRANK SPRINGER. 



!i ' 



"WITH EIGHT PLATES. 



^T m'^ 



CAMBRIDGE, U.S.A.: 



^rinteD for tf)e JBuseum. 

 August, 1901. 



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