Mexico and some other militia, were wholly unfitted to execute a difficult retreat in the face of the enemy. Not far from its middle Clarke struck their column; and while the first part, led by General Bravo, kept on toward Churubusco bridge, the second broke up and scattered.[1]
By this time Garland, having found by pushing a company forward that San Antonio had been evacuated, hastened on to unite with Clarke. The enemy were quickly driven from fortifications of a minor importance at Sotepingo, and the division then rushed forward after Bravo, while the 
Tête de Pont.
Profile of the east curtain.—Mexicans a mass of cavalry, infantry and artillery, wagons, mules, women, servants, carriages and camp-followers—made all possible speed. Owing to the effects of the rains, two Mexican guns and a number of wagons were mired on the way; and near the Churubusco bridge Pérez's brigade, hard pressed by the Americans from San Angel, crowded in upon the stream of fugitives.[2]
So it happened that when Engineer Stevens climbed the church tower of Coyoacán at about noon to reconnoitre, he observed a large body of Mexican troops pouring along the highway from San Antonio. Apparently Santa Anna was drawing all his forces to the city. Dense fields of corn six feet high or more almost hid the works at the convent. Perceiving, however, the nose of a bastion, Stevens concluded there might be one gun at that point, which he thought could be rushed; and a prisoner mentioned only two guns. The entire American army, reacting from the gloom of the previous evening, exultant over Smith's victory, and almost intoxicated by the change from storm to splendid sunshine, was now feeling invincible, eager and over-confident. Stevens merely shared the contagion; his report—precipitate and misleading, as he fully admitted later—signified that without loss of a moment the San Antonio garrison ought by all means to be intercepted; and so Scott did what we know it had not been his intention to do: ordered Twiggs immediately to the convent and high-
