U. S. Civil Service Commission announces examination for medical officer (rotating intern), $2,200 1st year, $2,400 2d year; medical officer (psychiatric resident), $2,400 to $4,150 a year; medical officer (surgical resident), $3,400 to $4,150 a year; medical officer (general practice resident), $2,400 to $4,150 a year for duty in St. Elizabeths Hospital Washington, D. C.