THE REPORT -- THE 21ST FOR THE METROPOLITAN TORONTO POLICE -- DOCUMENTS THE ACTIVITIES OF THE MARINE UNIT, WHICH PATROLS THE CITY'S SHORELINE; YOUTH BUREAU; CITIZEN COMPLAINT BUREAU; AND EMERGENCY SERVICES UNIT. COMMUNITY INVOLVEMENT ACTIVITIES ARE DESCRIBED. THE COMPLETION OF TWO NEW FACILITIES -- A STATION BUILDING AND A BUILDING TO HOUSE THE POLICE COLLEGE -- IS NOTED. TABLES AND GRAPHS PRESENT DATA ON CRIME RATES, CLEARANCES, JUVENILE OFFENSES, CALLS FOR SERVICE, MOTOR VEHICLE ACCIDENTS, SPECIFIC CRIMINAL CODE OFFENSES, PERSONNEL, VEHICLES, COSTS, AND OTHER ASPECTS OF DEPARTMENT OPERATIONS. COMPARATIVE DATA FOR 1976 AND 1977 ARE INCLUDED. AN ORGANIZATIONAL CHART AND A MAP SHOWING POLICE DISTRICTS ARE PROVIDED. (LKM)