KILMOKE, Co. WEXFORD.—The John Robert Life-boat was launched at noon on the 24th May, to the assistance of the s.s. Pontiac, of and for Liverpool, from New Orleans, with a cargo of cotton and maize, which had struck on St. Patrick's Bridge during a dense fog. She was got afloat by steam-tugs, the Life-boat remaining by her until no farther service was required..