The above reservation to Mott referred to a small piece of upland at the entrance to that portion of the East Neck, subsequently, and to this day, called "De Lancey's Neck," of about thirty acres deeded by Mrs. Riehbell to Mary and James Mott on the 8 August 1684, which from Mott's heirs finally became vested in the late Giles Seaman after whose death it passed by sale to the late Isaac Hall, who sold it in his lifetime to its present owner, who built upon the premises the fine summer hotel now called, from his own name, the "Rushmore."

The last and only other reservation in the above deed to Col. Heathcote related to some lands which Riehbell and his wife in his lifetime had sold in small parcels which he called " Alottments or House Lotts." It will be recollected that Richbell's object was to establish a quiet place for trade at Mamaroneck. In his a2)plication to the Dutch Director and Council for leave to purchase the Indian title and their groundbrief, above given, authorizing him so to do, mention is made of some persons who, with his permission, would settle there with him, and for whom he made himself, and was held to be, responsible. These appear to have been persons from Oyster Bay on Long Island and Manussing Island in Rye, between which places a sort of ferry communication across the Sound then existed. Nothing remains to show whether the trade of Modiford Sharpe and Riehbell was, or was not, profitable. If the latter, it could not have been 80 very long, for the English conquest of New Netherland in 1664, three years after Richbell's purchase of Mamaroneck, put an end to its advantages for a contraband business. After his controversy with Pell was terminated in 1671 as shown above, RichiThia deed waa acknowledged by Ann Riehbell March 22* 1C97 before "Joseph ThealJuetice" and was recorded in Lib.