Penal Code, 1860–Sec. 302–Conviction–Sustainability–Case of Circumstantial evidence–Cause of death was mentioned excessive bleeding because of head injury–The only circumstance of bloodstained bamboo stick–Both of witnesses of this recovery were not examined by the prosecution–Recovery appears doubtful–Doctor admitted that the injury might be caused by falling on hard surface–Chain of circumstances is not complete–Appellant is entitled to be acquitted.