Duer to Tilghman, September 28.-- You observe that if the Passage of the North River is sufficiently obstructed that our Lines will keep the Enemy from making any Progress in Front. This is certainly true; but you must recollect that the Sound is, and must ever be, in 'Landing a Body of Men in Westchester County, they open;' and if they shouldto succeed the North River as effectually hem us in, as if we were in New might by drawing lines Sutton's Neek to the North River (if I am not mistaken) is not above Twelve Yo&rk, from Miles. ...

I expect that the Yessells wh the Convention of this State have ordered to Mount in [Fort] Washington will be arrived before this letter; no Time I dare say will be lost them in the proper Channell, since the Success of our Army depends so much on this sinking Measure. Duer to Tilghman, September 30.-- I am extremely happy to hear that you are in so to force your Lines, good a Situation for opposing the Enemy shonld they make an Attempt down, properly Sunk. and I should be still more so were the Yessells, we have lately sent are certainly are Sound the from Roads the up The Precaution you have taken by breaking they land very proper; and will of course tend to impede the Motions of the Enemy should ... in that Quarter, wh for my own Part I think may be the Case. to the The late Strong Southerly Wind afforded in my Opinion a Strong Temptation esteem them more Probably they these of our Chevau de Frise. Enemy to try the Strength' Obstructions. completed have we till effectual than we do. May this Sentiment prevail