A mischance or accident; a casualty caused by the act of one person and inflicting injury upon another. Homicide “by misadventure” is where a man, doing a lawful act. without any intention of hurt, unfortunately kills another. 4 Bl. Comm. 1S2; Williamson v. State, 2 Ohio Cir. Ct. R. 202; Johnson v. State, 94 Ala. 35, 10 South. 607.