~ 7 ie 1 e oe pe : 1 we ee a “Spa MAMANT OF OPERATIONS ON CONTRACT WD. We28-OM-—eng~-33 ACHEG eS OA) FOR THE 4OuTH OF MARCt 1947. y R The activitics of the Applied Maheries 3taff were devoted to the work attendant to the actual conduct of the various axperisental phases of our projest with cnly such fpare tine an available usod to further the mmorrication ox data fru: tompletead sections. <X. The basi o prosran of the Appliad Fisheries Laboratory at the Univarsity of Yashinzton, that of seesuring the affect of exposure of aguntic organiaas in warious atages of davalopment to t-rays was greatly increesed. Three part~-tine labora- tery technici:.mno wess aduad to our steff tc aid in caring for the eggs and youns fish in the third generetion studise oc: seution XT. BEST COPY AVAILABLE "sections I and II. In October 1943 adult shineok salmon were exposcd to 25, 50, ox lOGr with some as controls. The offspring of the 100r purents ent contre] porentes were reared until Ouring the in a By: Enter: Not Authorized for Public Release Date. By. Date: fall of 1946 the first of the returns from the sea cans back OpenNet ci " Date: Vilas migration tine and went to sen during Hay 1944. Di AteTn ee ic Release OPENNET ENTRY . ™, to the Samish River and were spawned. The eggs that were produced have been incubated through hateahing and yolk sack absorption. The acrtalitios experienced by the second generetion of eges of the LOOGr exposurse heve been aianificently areater than that of the *controls". | amone the young that hare sut~ *Section mimbers refer to the Project Chronology Chert, revioed January 9, 1947. [—TREPAN DECLASEIICATION ——— SINGLE REVIEW AUTHORIZED BY:| DETERMINATION [CIRCLE NUMBER(S)] , 1. CLASSIFICATION RBTAINED henge 2. CLASSIFICATIO N CHANGEDTO: IEWER {ADD): eared? 3 3. CONTAINS NO DOE CLASSIFIED INFO 3 COORDINATE WITH: Nae:ptr. | OR AR I———— oaLITE| HOS ARCHIVES

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