UNIVERSITY OF IOWA STUDIES 
IN NATURAL HISTORY 
ProFEssoR BOHUMIL SHIMEK, PuH.D., Editor 
VOLUME X i NUMBER 3 
REPORTS ON CERTAIN ARTHROPODS 
AND POLYCHAETOUS ANNELIDS 
of the Barbados-Antigua Expedition of 1918 
PUBLISHED BY THE UNIVERSITY, IOWA CITY 
