(near present day Ormstown, Quebec), they came up against a much smaller force of the Canadian Voltigeurs and Canadian Fencible Regiments, Lower Canadian militia and their First Nations allies who had dug trenches protected by breastworks of abattis, a tangle of trees that had been cut down with their branches sharpened to points. British commander Lieutenant-Colonel Charles-Michel d'Irumberry de Salaberry tricked Hampton into believing that the Canadian and Aboriginal force was much larger than its actual numbers and, after a sharp battle, the Americans retreated back to American territory. In the meantime, the second American army, realizing that Kingston was too hard a nut to crack, slowly descended the St Lawrence to meet up with Hampton's advancing army. A small British force accompanied by gunboats was led from Kingston by British Lieutenant-Colonel Morrison to shadow the Americans sailing down river. Morrison's force gathered militia reinforcements along the route while other militia harassed the Americans with musket and artillery fire as they descended the St Lawrence. Finally American general Wilkinson landed a few thousand men to confront Morrison's force on November 11 near present-day Morrisburg, Ontario on John Crysler's fields. In the Battle of Crysler's Farm, the outnumbered British, together with Canadian regulars of the Canadian Fencible and Canadian Voltigeurs regiments, twelve cavalrymen of the Provincial Light Dragoons and thirty First Nations allies,  staved off several American attacks, inflicting heavy casualties and forced the Americans to retreat from the field. The Americans retreated to the area of Cornwall, Ontario, to recover