Show UNITED STATES AND GREAT BRITAIN an additional article to the postal treaty hash has been agreed upon between the united states and great britain by which it appears that I 1 in relation to all correspondence passing between the united states and the united kingdom of great britain and ireland as well as all parts of the continent which I 1 i make the de latter a channel of ter a usi t for their mails from Philadelphia isto to the extent of its own immediate postal intercourse is con I 1 similarly with new york and bos ton an office of exchange h e |