NEW BEDFORD, Sept 25. — Arr barque Isabella, Taber, 115 days from New Zealand. Reports in Feb. ship Isabella, Taber, Fairhaven, 2000 bbls; Feb. 1st, Bowditch, Ramsdell, Bristol, 300; 3d Maay[sic], Coffin, Nantucket, 980; 6th, Rebecca Sims, Ray, NB, 500; 18th, Brighton, Smith, do, 1100; April 8th, Clarkson, Plaskett, Nant. 2500; 18th Pacific, Congdon, do, 1900; Envoy, Clark, Providence, 1900; 25th, Phenix, Sandford, NB, 1900; May 1st, Cortes, Bunker, do, 2400, for home; 5th Cadmus, Crowell, Fairhaven, for do; 6th, American, Coffin, Nant, 1200; Japan, Hiller, do, 2000; 15th John Coggeshall, Macy, Newport, 1000; 20th, Rambler, McCleve, Nant, 1200; Mount Vernon, Imbert, do 1500; 27th, Atlantic, Russell, do, 1000; May 6th, Ploughboy, Brown, do, 1850; Ganges, King, Bristol, 400; Lexington, Bollard, Nant.none; Splendid, Luce, Edgartown, 1000. — Spoke 8th inst., lat 25 41 N., lon 59 46, brig Black Hawk, 9 ds fm N York for Trinidad.