text:  But they entertain a reasonable expectation that legislative measures may be devised which will be effectual in preventing the introduction of Scotch paper into England; and unless such measures should in practice prove ineffectual or _unless some new circumstance should arise_ to derange the operations of the existing system in Scotland itself or materially to affect the relations of trade and intercourse between Scotland and England they are not disposed to recommend that the existing system of banking and currency in Scotland should be disturbed