Mail improvement. New Bye night mails in Scotland

His Majesty's Post-master General, for the further Improvement of Correspondence, have been pleased to extend the Bye Night Mails, two additional Times a Week, from Newcastle to Edinburgh, and three additional Days a Week, from Carlisle to Annan and Dumfreis; as likewise, to establish a Six Days Post, between Edinburgh and Aberdeen, Glasgow, Greenock, and the several intermediate Towns, the Whole to commence from the 10th Instant.

The additional Mails will be dispatched, from this Office, for Edinburgh, on Mondays and Fridays; the Monday's Mail will arrive at Edinburgh on Fridays, and the Friday's Mail on Mondays.

The additional Mails, from Edinburgh, will be dispatched for England, on Tuesday and Friday Evenings, the Tuesday's Mail will arrive at this Office on Saturdays, and the Friday's Mail on Tuesdays.

And whereas great Numbers of Letters have hitherto been privately collected and delivered, as well in this Kingdom as in Scotland, contrary to Law, and to the Prejudice of the Revenue of this Office, Notice is hereby given, that all Carriers, Coachmen, Watermen, Wherrymen, Dispersers of Country News-papers, Higlers, and all other Persons whatsoever, hereafter detected in the illegal Collecting, Conveying, or Delivering of Letters and Packets, will be prosecuted with the utmost Severity.

The Penalty is Five Pounds for every Letters collected or delivered contrary to Law; and One Hundred Pounds for every Week such Practice is continued.

ANTH. TODD, Secretary.