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. 



BRYOZOA OF THE PACIFIC COAST 

 OF AMERICA 



Part 1, Cheilostomata-Anasca 



(Plates 1-29) 

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



