MAP OF THE COUNTRY NEAR BUENA VISTA.

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It was about the 8th of February when we reached Saltillo, and soon after we were sent to the front at Agua Nueva. From many sources came corroborative testimony that the enemy was advancing on Saltillo by detachments. Seventy volunteers, under Majs. Borland and Gaines, were captured at Encarnacion, within twenty miles of where we were encamped. On the 20th Col. May was sent to Hediondo on a reconnoissance, and some of his troops were captured, but he returned with the information given him by a deserter from the Mexican army that Santa Anna, with an army of twenty thousand men, was at La Encarnacion, only twenty miles distant from Agua Nueva. May got back early on the morning of the 21st, and a few hours after Maj. McCulloch arrived with like information, with this difference: He went to Encarnacion, climbed a lofty peak that overlooked the encampment of the Mexicans, and computed their number for himself. This was confirmation strong.

On the 20th I went hunting with Lieut. R. L. Moore, of the Mississippi regiment. The day was warm; the winds were in their caves; an ominous silence pervaded all nature; the sun did not dazzle the eye, and was distinct in outline, like the full moon; the game was tame and stupid; Moore was heavy of heart and dreamy. There was something peculiar in this silence—like the desert—like the stillness that oft precedes the tempest and the earthquake. Did Moore have a premonition of his death? He fell in the coming battle. The day left a lasting impression on my mind, it was so weirdlike and mystical.

"By a divine instinct men's minds mistrust

Ensuing danger; as by proof, we see

The water swell before a boisterous storm."

On the 21st, as I have mentioned, both May and McCulloch returned to camp. Bragg, in his usual sarcastic manner commenting on May's expedition, remarked: "I perceive that it is harder to lose one's reputation than to make it."

It being an open country for some distance around Agua Nueva, Gen. Taylor, considering the great superiority of the enemy in numbers, resolved to fall back to Angustura, the narrow pass, near Buena Vista. Our company went into camp on the plain above and near the city. On the morning of the 22d, we moved down to the site selected for the field of battle. If the Hudson river, where it passes through the Catskill Mountains, were dry and wider, and its surface furrowed by deep ravines and water gullies crossing it, it would resemble the field of Buena Vista.

Capt. Washington's battery of eight guns was placed in the road at the Narrows. Thence a ravine ran in a southeasterly direction. At the mouth of this ravine, on the plain, the line of infantry commenced and extended on the left toward the mountains. The howitzer which I commanded was put in position on the left of Col. Bissell's Second Regiment of Illinois. Lieut. G. H. Thomas had his gun on the right of this regiment. It was not long before away in the distance clouds of dust were seen growing larger and nearer as the cavalry came in sight; then came artillery and infantry moving to their right and confronting our line, with bands playing and banners waving. Hours were consumed in this movement. In the meantime Gen. Santa Anna under a flag of truce sent to Gen. Taylor a long communication, particularly informing him that he was surrounded by twenty thousand men, and to avoid being cut to pieces, called on him to surrender at discretion, that he would be treated with the consideration belonging to the Mexican character, etc., and inscribed it: "God and liberty! Camp at Encantada, February 22, 1847. Anto. Lopez de Santa Anna."