J^ 



REPORTS ON THE COLLECTIONS OBTAINED BY ALLAN HANCOCK PACIFIC EXPEDITIONS OF 

 VELERO III OFF THE COAST OF MEXICO, CENTRAL AMERICA, SOUTH AMERICA, AND 



GALAPAGOS ISLANDS IN 1932, IN 1933, IN 1934, IN 1935, IN 1936, IN 1937, IN 1938, 



IN 1939, IN 1940, AND IN 1941, and VELERO IV IN 1949-1952 OFF THE COAST OF 

 MEXICO AND SOUTHERN CALIFORNIA. 



BRYOZOA OF THE PACIFIC COAST 

 OF AMERICA 



Part 2, Cheilostomata-Ascophora 



(Plates 30-64) 



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



