Accident.
--On Wednesday afternoon the swinging sign over James Knotte's shoe store, on Main street between 13th and 14th, was thrown down by the wind, and striking a little boy named John Martin, who was passing by at the time, broke one of his legs. He was carried into Messrs. Johnson & Bransford's store, where his fractured limb was examined and properly attended to by a surgeon. Subsequently the little fellow was removed to his mother's residence, on Wall street.