CONTENTS. 



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

 by the U. S. Fish Commission Steamer "Albatross" in 1902, Commander Ch.\un'CEY 

 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^, Temnopleurid^, Strongylocentrotid.e and Echin'ometrid.e. By 

 Hubert Lyman Clark. 180 pp. 32 plates. June, 1912. 



