Letter, 20 December 1805, from Bishop James Madison, Williamsburg, to James Breckenridge, Botetourt County, Va. Concerns defending Madison against a claim to deprive him of land surveyed near Guyandot Falls by Breckinridge. Asks Breckinridge to discount fee at next College [of William and Mary] settlement. Also concerns Madison's Map of Virginia (1807) and a new method of taking latitudes.