Person setting stakes as trap on public path with intent to cause harm to any person using path—no evidence in support of conviction for unlawful wounding under Penal Code section 208 (1)—evidence of unlawful act whereby harm caused to some person under Penal Code section 214— power of High Court on review under Criminal Code sections 300 and 309 to alter finding and enter judgment of guilty under Penal Code section 214—sentence too severe in circumstances—Criminal Procedure Code section 187 (2) requires accused’s admission of guilt to be recorded as nearly as possible in words used by him.