HAYS, UNDER FIRE, QUITS HOUSE SEAT
Repr Wayne L Hays resigns under fire, ending 28‐yr Cong career; sends lrs of resignation to HR Speaker Carl Albert and Ohio Gov James A Rhodes, making no mention of sex scandal that brought about his downfall; fails to secure pledge that HR would take no further action against him after his departure; HR ethics com, 12‐0, votes to end its investigation following his resignation; Hays is still under investigation by Justice Dept and Fed grand jury, and is target of civil suit, as result of charge by Elizabeth Ray that she was put on Hays's payroll as his mistress; Hays is eligible for $30,000 annual pension; Gov Rhodes illus (M)