lemoirs of l^e Htuscum of Comparatibe ^oblogg 



AT HARVARD COLLEGE. 

 Vol. XXV. No. 1. 



UINTACEINCS: 



ITS STRUCTURE AND RELATIONS. 



BY 



FRANK SPRINGER. 



WITH EIGHT PLATES. 



CAMBRTDGE, U.S.A.: 



^rtntfti for tf)e IfiuSEum. 

 August, 1901. 



