PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM 



SMITHSONIAN INSTITUTION 



U. S. NATIONAL MUSEUM 



Vol. 108 Wathington : 1959 Nc 3410 



A FURTHER STUDY OF MICRONESIAN 

 POLYCLAD FLATWORMS 



By LiBBiE H. Hyman * 



The material treated in this article was assembled from several 

 sources: one vial from the Templeton Crocker Expedition of 1933, 

 collected at Vanikoro Island; one vial taken at Guam by D. H. John- 

 son; three vials collected by Cadet Hand at Kapingamarangi Atoll 

 in the Caroline Islands; six vials from Eniwetok Atoll collected by 

 D. J. Reish; 21 vials collected on Ifaluk Atoll, western Carolines, 

 under the auspices of the Pacific Science Board Atoll Research 

 Program, 1953, mainly by D. P. Abbott, some by F. M. Bayer and 

 others; 20 vials collected in the Palau Islands, 1955, by a team com- 

 posed of R. R. Harry, H. A. Fehlmann, and F. M. Bayer, from 

 Stanford University and the U. S. National Museum (USNM) ; and 

 two polyclads found in a miscellaneous collection of material from the 

 Palau Islands presented to the American Museum of Natural History 

 (AMNH). 



The field work at Ifaluk and Kapingamarangi Atolls was supported 

 by funds from Contract N 7-onr-29104 (NR 388-001) by the Office 

 of Naval Research, Department of the Navy, and National Academy 

 of Sciences. Work at Palau was undertaken by arrangements with 

 the Pacific Science Board (National Academy of Sciences — National 

 Research Council) and the Office of Naval Research under Contract 

 N 7-onr-291 (57). 



The polyclads of the tropical and subtropical waters of the vast 

 Indo-West Pacific region are imperfectly known and have not been 



> American Museum of Natural History, New York, N. Y. 



543 



