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. 



MARINE MOLLUSKS FROM PANAMA 



COLLECTED BY THE ALLAN HANCOCK 



EXPEDITION TO THE GALAPAGOS 



ISLANDS, 1931-1932 



By A. M. STRONG and LEO GEORGE HERTLEIN 





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