Happy in his ignorance of the risks he was assuming, Burgoyne took the field about the 1st of June, with an army of 7,902 men, of whom 4,135 were British regulars. His German troops from Brunswick, 3,116 in number, were commanded by Baron Riedesel, an able general, whose accomplished wife has left us such a picturesque and charming description of the scenes of this adventurous campaign. Of Canadian militia there were 148, and of Indians 503. The regular troops, both German and English, were superbly trained and equipped, and their officers were selected with especial care. Generals Phillips and Fraser were regarded as among the best officers in the British service. On the second anniversary of Bunker Hill this army began crossing the lake to Crown Point; and on the 1st of July it appeared before Ticonderoga, where St. Clair was posted with a garrison of 3,000 men. Since its capture by Allen, the fortress had been carefully strengthened, until it was now believed to be impregnable. But while no end of time and expense had been devoted to the fortifications, a neighbouring point which commands the whole position had been strangely neglected. A little less than a mile south of Ticonderoga, the narrow mountain ridge between the two lakes ends abruptly in a bold crag, which rises 600 feet sheer over the blue water. Practised eyes in the American fort had already seen that a hostile battery Phillips planted on this eminence would render their stronghold untenable; but it was not believed that siege-guns could be dragged up the steep ascent, and so, in spite of due warning, the crag had not been secured when the British army arrived. General Phillips at once saw the value of the position, and, approaching it by a defile that was screened from the view of the fort, worked night and day in breaking out a pathway and dragging up cannon. "Where a goat can go, a man may go; and where a man can go, he can haul up a gun," argued the gallant general. Great was the astonishment of the garrison when, on the morning of July 5th, they saw red coats swarming on the hill, which the British, rejoicing in their exploit, now named Mount Defiance. There were not only red coats there, but brass cannon, which by the next day would be ready for work. Ticonderoga had become a trap, from which the garrison could not escape too quickly. A council of war was held, and under cover of night St. Clair took his little army across the lake and retreated upon Castleton in the Green Mountains. Such guns and stores as could be saved, with the women and wounded men, were embarked in 200 boats, and sent, under a strong escort, to the head of the lake, whence they continued their retreat to Fort Edward on the Hudson. About three o'clock in the morning a house accidentally took fire, and in the glare of the flames the British sentinels caught a glimpse of the American rear-guard just as it was vanishing in the sombre depths of the forest.