Startling as the subject of connecting China and New South Wales with Great Britain, through the West Indies, may at first sight appear, both as regards time and expense, still few things are more practicable. If it is examined narrowly, it will, it is not doubted, be found that almost every letter of the moiety of those which come from the British transmarine possessions, and from other foreign parts, whether by packets or by merchant ships, (of the latter, it may be said, a number equal to the whole which pay postage do, because the very great number of letters directed to consignees come free, ) produces, perhaps, ten letters, on which the largest single internal postages are charged and paid