(Contents-continued) 



KLIM A, 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 



