J1ATNABD H. MEICJ 



flDemotrs of tbe flDupeum ot Comparative 



AT HAEVAED COLLEGE. 



VOL. XXXIV. No. 4. 



HAWAIIAN AND OTHER PACIFIC ECHINI. 



THE PEDINID.E, PHYMOSOMATID.E, STOMOPNEUSTIDJE, ECHINID-ffl, 



TEMNOPLEURID5!, STRONGYLOCENTROTID^E, 



AND ECHINOMETRIDJE. 



BY 

 HUBERT LYMAN CLARK. 



WITH THIRTY-TWO PLATES. 

 PLATES 90-121. 



(Published by Permission of GEOHQE M. BOWERS, U. S. Commissioner of Fish and Fisheries.) 



CAMBRIDGE, U. S. A.: 



IPrlnteo for tbc flDuseum. 



JUNE, 1912. 



