The material in this monograph is presented in a concise manner with use of on-the-scene photographs of various accidents, cartoon illustrations, and diagrams of certain first-aid procedures which are appropriate for administration at the scene of an accident. Section 1 was prepared for the use of ambulance crews, law enforcement and fire service personnel, industrial nurses, and others responsible for the handling of the injured. Section 2 was written for the administrative heads of city governments, city and county police and fire departments, health units, hospitals, undertakers, ambulance service companies, county medical societies, and community leaders. Because first aid at the scene of an accident is often rendered by laymen, many physicians concerned with the treatment of injured patients, as well as the National Safety Council, have become concerned with the quality of such care and the care of the injured after they reach a hospital emergency service. The quality