REPORTS ON THE COLLECTIONS OBTAINED BY ALLAN HANCOCK PACIFIC EXPEDITIONS OF 

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

 PAGOS ISLANDS IN 1932, IN 1933, IN 1934, IN 1935, in 1936, in 1937, and in 1938. 



DISTRIBUTION OF THE HYDROIDS IN THE 



COLLECTIONS OF THE 



ALLAN HANCOCK EXPEDITIONS 



By C. McLEAN FRASER 



