Summer employment for juniors in veterinary medicine, veterinarian trainee, $6050 a year, grade GS-7, positions available in Agricultural Research Service and Consumer and Marketing Service, U.S. Department of Agriculture, at locations throughout United States, apply to Executive Secretary, Central Board of U.S. Civil Service Examiners, Department of Agriculture, Agricultural Research Service Unit, Federal Center Building, Hyattsville, Md., 20781, announcement 379 B.