“ Another reason for dividing a diocese, and establishing a new see, has been recognized by the church as duly existing “if the sovereign should think fit to endow some principal village or town with the rank and privileges of a city” (Bingham, lib. xvii. c. 5) . But there are canons for the punishment of such as might induce the sovereign so to erect any town into a city, solely with the view of becoming bishop thereof. Nor could any diocese be divided without the consent of the primate.
In England an act of parliament is necessary for the creation of new dioceses. ”

“ The practice, under the Roman empire, of making the areas of ecclesiastical administration very exactly coincide with those of the civil administration, was continued in the organization of the church beyond the borders of the empire, and many dioceses to this day preserve the limits of long vanished political divisions. ”