The body of a man named Abraham Smith was found dead a day or two since in the Hibernia mine, Uockawav township, Middlesex County. Y severe cut, as if made with a hatchet, was visible over one eye, but no other wound except a slight scratch on the leg. N o bones were broken. It is supposed that he must have been murdered, as the mine is oin hundred and forty feet deep, and if he had fallen down it be must have been dashed to pieces. An investigation is now being held.