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, and in 1939. 



THE GEOGRAPHICAL DISTRIBUTION OF 



DIGENETIC TREMATODES OF MARINE 



FISHES OF THE TROPICAL 



AMERICAN PACIFIC 



By HAROLD W. MANTER 



