Dr. Arthur Riley, East Mauch Chunk dentist who recently enlisted in the Dental Corps of the United States Army, has received his call to duty. Dr. Riley will begin his active duty Dec. 10, and will report to Miami Beach, Fla. He will close his office Dec. 2. The intervening time will be taken up finishing work already started and no new appointments are being made. Dr. Riley made application for enlistment in September, and was sworn in as a First Lieutenant on Oct. 16 by Notary Public Mary E. Engler.