Defendant was charged with first degree murder, Ind. Code 35-13-4-1 (Burns 1975). He pled not guilty and asserted that the homicide was committed in self-defense. In a trial by jury, he was convicted of second degree murder, Ind. Code 35-1-54-1 (Burns 1975), for which he was sentenced to imprisonment for not less than fifteen nor more than twenty-five years.