[J. Thomas Scharf (1886)] westerly line of the said county to the easterly line of the town of Yonkers, in manner following, to wit : Commencing at a point formed by the intersection of the westerly line of the said county with a line of extension westerly of the northerly line of the land belonging to the Sisters of Charity, known as Mt. St. Vincent dePaul; thence easterly along said northerly line of the land of said Sisters of Charity to River-dale Avenue; thence still easterly and in a straight line crossing said Riverdale Avenue and South Broad-way to the northwest corner of land of G. F. Cod-dington; thence still easterly in a straight line to the northwest corner of land known as the Van Cortlandt Estate, near Highlaud Avenue; thence easterly along the northerly boundary line of land known as the Van Cortlandt Estate to the northeasterly corner thereof; thence running easterly in a straight line to the Bronx Kiver to a point in the easterly line of the town of Yonkers, distant northerly twenty-one hun-dred feet from the northerly boundary line of Wood-lawn cemetery, measured in a course bearing north twenty degrees east (present magnetic bearing) there-from." Such was the statement of the city boundaries in the original charter of 1872. The charter was amended again and again, February 28, 1873, June 10, 1875, April 26, 1876, April 8, 1878, and finally revised May 2,