'J 



ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOLUME 14 



NUMBER 2 



BRYOZOA OF THE PACIFIC COAST 



OF AMERICA 



Part 2, Cheilostomata-Ascophora 



(Plates 30-64) 



BY 



RAYMOND C. OSBURN, Ph.D., D.Sc. 



^%o^ 



THE UNIVERSITY OF SOUTHERN CALIFORNIA PRESS 



LOS ANGELES, CALIFORNIA 



1952 



