SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 98, NUMBER 17 



POLYCLAD WORMS COLLECTED ON 



THE PRESIDENTIAL CRUISE 



OF 1938 



BY 

 LIBBIE H. HYMAN 



American Museum of Natural History 

 New York City 



(Publication 3542) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



JUNE 17, 1939 



