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. 



THE ACANTHOCEPHALA COLLECTED BY 



THE ALLAN HANCOCK PACIFIC 



EXPEDITION, 1934 



(Plates 51-55) 

 By HARLEY J. VAN CLEAVE 



