(Contents-continued) 



KLIMA, EDWARD F. Electrical threshold response of some Gulf of Mexico fishes . 851 

 DURKIN, JOSEPH T., and DAVID A. MISITANO. Occurrence of a ratfish in the 



Columbia River estuary 854 



MISITANO, DAVID A., and CARL W. SIMS. Unusual occurrence of an eastern 



banded killifish in the lower Columbia River - 855 



SHERMAN, KENNETH. In Memoriam: Robert Louis Dryfoos, 1939-1974 856 



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