Asboth of these Maps weie originally official, one British and the other American ; asboth were published from the respective manuscripts, as nearly as possible in fac-Hinih- ; and as both are historical autliorities of the highest character, they will be frequently referred to, in our narrative of the Military Operations in Westchester-ctmnty ; and, in order that our readers may also enjoy the benefits to bo derived from a use of them, wliilo reading the story of Westchester-county's revolutionary history, the Publishers have rc-produced them, at our reepiest, as nearly in exact ftc-fimitc of the original piiblications, as jwssihle. Sautliier's Map will be found opposite Jtagf* 227 of this work, ante ; and General Washington's Map will be found opposite this page of the same.

We may be iwrmitted, however, to call the reader's attention to a singular error which was made in lettering the British Map. Where " Pliil- "Ipsburgh," [I'liilqisboroiigh,] or Yonkers, should have been designated the word " Wepperham " -- intended for '"Neperhan," the name of the atream, popularly known as the " Sawmill-river," at the mouth of which Philipshorougb, oi Yonkere, stood -- has been erroneously inserte<i ; and, instead of designating Tari-j-town, not " Terrytow 11," as situated miles ufcurctbe I'ocaiitico, on whiuli the upper Maiiorliouse of the Manor of PhilifMborough yet stjimU, that noted village ought to have been desig- DKteJ ((W.iii tliat stream-- indeed, the Pocantico ismade to appear as if it were the NuiKirhan, or Sawmill-river ; and Dobbs's-ferry and Tarrytown are const(iiiently crowded up, into the immediate vicinity of the Crotonriver, although they are several miles below tliat stream ; and all the other lettering of the Map is similarly forced to the northward, unduly, in order that it may be nia<le to correspond with the river-villages.