ST. AGNES, SCILLY ISLANDS.—A smack being observed in a disabled condition during a whole gale from the N.E. at 4.30 P.M. on the 10th March, was carefully watched, and as it appeared certain that she would run ashore, the Life-boat James and Caroline was launched at 6.15 to meet her. When she struck, one of the crew jumped overboard and succeeded in reaching the rock. The vessel now floated off, but again stranded, and the master and the remaining hand having got into their boat, succeeded in landing on one of the islands, and were taken off by the Life-boat in a very exhausted state, the captain having to be carried to the boat and the other man being unable to walk without assistance. They were brought to St. Agnes at 1.30 A.M. The vessel was the Porth, of Padstow, laden with 60 tons of culm..