REPORTS ON THE COLLECTIONS OBTAINED BY ALLAN HANCOCK PACIFI C 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. 



THE MARINE ALGAE OF THE 

 GULF OF CALIFORNIA 



(Forty-seven Plates) 



By ELMER YALE DAWSON 



