il^moirs of tljc Slusjum of Comparaiitre ioblogu 



AT HARVAED COLLEGE. 



Vol. XXI. 



THE NORTH AMERICAN 



CRINOIDEA CAMERATA. 



By CHARLES WACHSMUTH and FEATSTK SPRINGER. 



IN TWO VOLUMES WITH EIGHTY-THREE PLATES. 



Vol. II. 



CAMBTilDGB, U.S.A.: 



5Prtnt£ti for t\se iWttscum. 



Mat, 1897. 



