/Demolrs of tbe /Duseum ot Comparattre ZoClooi? 



AT HAEVARD COLLEGE. 

 Vol. XXXIV. No. 4. 



HAWAIIAN AND OTHER PACIFIC ECHINI. 



THE PEDINIDiE, PHYMOSOMATID^, STOMOPNEUSTID^, ECHINIDiE, 



TEMNOPLEURIDiE, STRONGYLOCENTROTIDiE, 



AND ECHINOMETRIDiE. 



BY 

 HUBERT LYMAN CLARK. 



WITH THIRTY-TWO PLATES. 



Plates 90-1 2 L 



IPublished by Permission of GcoRae M. Bowers. U. S. Commissioner of KIsli and Fisheries.) 



CAMBRIDGE, U. S. A.: 



printed for tbe nDuseum. 



June, 1912. 



