ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOLUME 7 



NUMBER 5 



POLYCHAETOUS ANNELIDS 

 Part IV. Pectinariidae 



With a Review of All Species from the Western Hemisphere 

 (Plates 49-52) 



by 

 OLGA HARTMAN 



ALLAN HANCOCK FOUNDATION 



v^ 



10 1942 ^)^ 



THE UNIVERSITY OF SOUTHERN CALIFORNIA PRESS 



LOS ANGELES, CALIFORNIA 



1941 



