...ection of country, I have the honor to report that I started on November first, 1862, on the above expedition, accompanied by a squadron of the First Ohio cavalry, numbering seventy men, commanded by Captain N. D. Menken ; reached the village of Piscataway at three P. M.; found nothing here to excite my suspicions, but I learned from the inhabitants that a large contraband trade was carried on in the neighborhood of P...