hed tiwag SEP 28 1979 CARNEGIE INSTITUTION OF WASHINGTON GENETICS RESEARCH UNIT COLD SPRING HARBOR, NEW YORK 11724 Sey 297 1970 oar Lashun Gre Lobe Cire v2 ploy PF) nto: Tab | CNVAS , 30, 40 C1944), the er Lhire COMME Tet Cahn, od Seem ond) t+ Do penn Wri) ~ pag Po bnwurtko« fotey