ARRIVAL FROM AMERICA
... LxVERPOOL, SUNDAY.-We have another arrival here to- day from New York-the North America, Captaiu Lawler, in eighteen days-with advices from that city to the 20th ;ultimo, three days later than those received by the Britan- ! nia, which are of considerable importance, not so much for the definite information with which we are furnished touch- iing the case of MALeod, or any other of the pending ...