b ad The record of the beach and land survey with field instruments at Bikini, duly, 1948, has been studied and summarized. Tissues of the fish from the Bikini mud and Bikini coral aquarium experiments of last soring were examined. Damage of tissue was not readily apparent. Visitors at the Applied Misheries Laboratory, University of Washington, included: Dr. Herman J. Muller, University cof Indiana, conferred with the staff on genetic changes due to irradiation. Mr. Ray Haggeman, Hanford Operations Office, conferred with the staff on administrative problems and the Columbia River studies. Wr. Frank Lowman left November 25, 1948, to attend meetings in New York of the American Institute of Zlectrical Engineers. He attended meetings on isotope measurement, counter design, etc. _ Mmabbens Lauren R. Donaldson, etor Contract No, W-28-094—eng-33 DOs ARCHIVES