SHIP NEWS
... SHIP INEWVS. Greenock, July 29. I Arrivedyesterdav off Portrush, the 'Mars, Mditchell, from 1 New Orlcans, for ihis port. Sailed oil the 14th ult.-got over the. har. on the 16th. On the .7t!. ult. in, 1a4 57. N. 1 lOn$. 19. O. W. tla whid set in fiom the east. Onthe 3d ; nit. in lst, 36. 41. N. 'ong. 66. 48'. W. spoke the brig HIar_ E niony, 11oron, fromn New Orleans, 41 days out, ail'well; ...