410396 December 11, 1956 Dr. Allyn H. Seymour Marine Biologist Division of Biology and Medicine United States Atomic Energy Commission Washington, D.C. Dear Dr. Seymour: BEST COPY AVAILABLE In rechecking the items listed in your letter of December 4 which require a reply I find two that have not been covered. As copies of reports by the Applied Fisheries Laboratory are always forwarded by us to the Washington office immediately after they are completed, I am surprised that copies of UWFL-34, 35, 38 and 39 are not available in your office. UWFL-34 "Work in progress and planned for the fiscal year 1954 at the Applied Fisheries Laboratory, University of Washington ‘ Four copies of this report were mailed to Kenneth Englund on July 13, 1953, with a request that after his review two copies be forwarded to Washington. UWFL-35 "Preliminary statement of the proposed program for Marine Survey Unit, Section 19 ' Copy 5 of this report was mailed to Dr. Pearson on September 1, 1953. UWFL-38 “Some effects of x-irradiation of different embry: onic stages of the trout (Salmo gairdnerii) ° GROWTH, Vol. 18, pp. 227-255, 1954. UWEFL number assigned to paper before publication. UWFL-39 "Sensitivity to X-rays of the early cleavage stages of the snail Helisoma subcrenatum* GROWTH, Vol. 19, pp.9-18, 1955. UWFL number assigned to paper before publication.