A temporary line of works had been previously constructed along the northerly line of the road which extended from the Meeting-house of the Presbyterian -church, past the house of Jacob Purdy, to the Bronx-river 4 -- that road which connected the White Plains with Dobbs's-ferry ; but the entrenchments which were thrown up for the defence of the Army, occupied a line from the Bronx-river, at a point which was nearly opposite to the residence of the late William Roberts, on the right ; over the summit of the hill which is to the northward of the Harlem Railroad Station, then owned by 'Squire Jacob Purdy, more recently by his son, Jacob, and now by numerous owners, eastward, over properties more recently owned by the younger Jacob Purdy, Daniel Dusenberry, and Alexander C. Tompkins -- those of Jacob Purdy being now owned by numerous persons ; those of Daniel Dusenberry, by his children ; and those of Alexander C. Tompkins, by his widow -- to the Post-road, which was the principal street of the Village. Occupying the Post-road was a strong earthwork, some small remains of which, bearing an old howitzer, en barbette, may still be seen, opposite to the residence of Mrs. Tompkins, already referred to ; and, eastward from that central earthwork, up the gradual slope, over properties recently owned by Leonard Miller, John Fisher, the widow of James Fisher, and Henry Willetts -- those of Leonard Miller being now owned by his two sons; those of John Fisher, by numerous persons; and those of Henry Willetts, by Charles Deutermann -- to what was then known as Horton's-pond, now known as " St. Mary's " Lake," of which mention has been already made. 5 The right flank of the line was covered by the Brigades commanded, respectively, by Generals McDougal and Lord Stirling; 6 and its left was covered by