Steam Boat Moselle.—This Boht, command-T ' ■ • * ’11ed by Capt. Perin, arrived here from St. Louis, in 72 hours. Her trip, taking all things into consider-? }f ation, is the most rapid running we have ever. I»! seen noticed on* the Western waters. She also made the trip from Portsmouth here, in 7 hours 35 minutes—J 10 miles. This is good runr^ng. We are informed the Moselle is a pleasant, well arranged boat, and that Capt. Perin is a gentleman wellI calculated to give satisfaction^, tr