Rank and organization: First Lieutenant, Company C, 13th Illinois Infantry
Place and date: At Missionary Ridge, Tenn., 25 November 1863
Entered service at: Amboy, Ill.
Date of issue: 4 April 1898
Citation: While commanding his company, deployed as skirmishers, came upon a large body of the enemy, taking a number of them prisoner. Lt. Josselyn himself shot their color bearer, seized the colors and brought them back to his regiment.