MENTAL RETARDATION ACTIVITIES OF THE U.S. DEPARTMENT OF HEALTH, EDUCATION, AND WELFARE ARE REVIEWED. THE ROSTER OF THE SECRETARY'S COMMITTEE ON MENTAL RETARDATION IS PROVIDED. THE INTRODUCTION CONTAINS INFORMATION CONCERNING (1) THE COORDINATION OF MENTAL RETARDATION PROGRAMS THROUGH THE COMMITTEE, (2) THE SIX PIECES OF 1966 MENTAL RETARDATION LEGISLATION, (3) THE PRESIDENT'S COMMITTEE ON MENTAL RETARDATION, AND (4) A SUMMARY OF MENTAL RETARDATION ACTIVITIES IN THE AREAS OF PREVENTIVE SERVICES, OTHER SERVICES, PROFESSIONAL PREPARATION, RESEARCH, CONSTRUCTION, STATE COORDINATION, AND INCOME MAINTENANCE. DESCRIPTIONS ARE INCLUDED FOR THE MENTAL RETARDATION ACTIVITIES OF SPECIFIC AGENCIES WITHIN THE DEPARTMENT--THE PUBLIC HEALTH SERVICE, THE OFFICE OF EDUCATION, THE VOCATIONAL REHABILITATION ADMINISTRATION, THE WELFARE ADMINISTRATION (BOTH THE CHILDREN'S BUREAU AND THE BUREAU OF FAMILY SERVICES), THE FOOD AND DRUG ADMINISTRATION, THE SOCIAL SECURITY ADMINISTRATION, THE ADMINISTRATION ON AGING, AND THE SURPLUS PROPERTY PROGRAMS. APPENDIXES OUTLINE FINANCIAL OBLIGATIONS FOR PROGRAMS FOR FISCAL YEARS 1966-67, AUTHORIZATIONS FOR APPROPRIATIONS FOR GRANTS IN THE PERIOD 1964-69, THE REGIONAL OFFICES OF THE DEPARTMENT, AND AN ANNOTATED LISTING OF FIVE REFERENCES AVAILABLE FROM EITHER THE SECRETARY'S COMMITTEE OR THE SUPERINTENDENT OF DOCUMENTS. THIS DOCUMENT IS AVAILABLE FROM THE SUPERINTENDENT OF DOCUMENTS, U.S. GOVERNMENT PRINTING OFFICE, WASHINGTON, D.C. 20402, FOR $0.55. (DF)