ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOLUME 4 



NUMBER 4 



DISTRIBUTION OF THE HYDROIDS IN THE 



COLLECTIONS OF THE 



ALLAN HANCOCK EXPEDITIONS 



BY 



C. McLEAN FRASER 



!±;|LIBRARY| 331 



2- \ ' Jfc.,' 



— - V -t*-<{>-"»^ 



THE UNIVERSITY OF SOUTHERN CALIFORNIA PRESS 



LOS ANGELES, CALIFORNIA 



1939 



