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. 



POLYCHAETOUS ANNELIDS 

 Part I. Aphroditidae to Pisionidae 



By OLGA HARTMAN 



