REPORTS ON THE COLLECTIONS OBTAINED BY THE 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, AND IN 1937. 



PARASITIC COPEPODS 



TAKEN DURING THE THIRD HANCOCK 



EXPEDITION TO THE GALAPAGOS ISLANDS 



By CHARLES BRANCH WILSON 



