The annual quit-rent fixed in the grant was " five pounds current money of New Yorke, upon the Nativity of our Lord." The manor was called Scarsdale by its proprietor after that portion of Derbyshire in England where he was born -- a locality known as " the Hundred of Scarsdale." Although his proprietary interest in the town lots of Mamaroneck was confined to his personal ownership of two of them, he was always regarded by the settlers there as the controlling spirit of the place, and he gave much attention to the promotion of its development and welfare. Concerning the improvements made by him upon the manor, and his general administration of it, we quote from the accouut written by his descendant, Edward F. de Laucey: Colouel Heathcote

established a grist mill on the Mamaroneck

River near the original

bridge crossed by the "Old Westchester Path," and a sawmill high up on that river, now the site of the present Mamaroneck Water Works, upon which site there continued to be a mill of some kind until it was bought two years ago [1884] to establish those works. He made leases at different points throughout the manor, but did not sell in fee many farms, though always ready and willing to do so, the whole number of the deeds for the latter on record being only thirteen during the twenty-three years or thereabout which elapsed between his purchase from Mrs. Richbell and his death. Some of these farms, however, were of great extent. He did not establish, as far as now known, any manor courts under his right to do so. The population was so scant, and the manor, like all others in the county, being subject to the judicial provisions of the provincial legislative acts, there was really no occasion for them.