CONTENTS. 



No. 4. HAWAIIAN AND OTHER PACIFIC ECHINI. Based upon Collections made 

 by the U. S. Fish Commission Steamer "Albatross" in 1902, Commander CHAUNCEY 

 THOMAS, U. S. N., Commanding, and in 1906, Lieut. Commander L. M. GARRETT, 

 U. S. N., Commanding. THE PEDINID^E, PHYMOSOMATID.E, STOMOPNEUSTID.E, 

 ECHINID.E, TEMNOPLEURID.E, STRONGYLOCENTROTID.E AND ECHINOMETRID.E. By 

 HUBERT LYMAN CLARK. 180 pp. 32 plates. June, 1912. 



