ns or wishing to precipitate matters, ordered General Taylor to march across to the Rio Grande at Matamoras in the spring of 1846.
The execution of the order precipitated war.
The move from Corpus Christi to the Rio Grande made necessary a change of base from St. Joseph's Island to Point Isabel and Brazos Santiago, near the mouth of the Rio Grande.
Supplies were sent by sea, under charge of Major Munroe, with a siege train and field battery, and the army took up its march on the 9th of March, 1846, the advance under General Twiggs, consisting of the dragoons and Ringgold's field battery.
The army was well instructed, under good discipline, and fully prepared for field work, the weather was fine, and the firm turf of the undulating prairies made the march easy.
Wild horses and cattle, and deer and antelope, were often seen in the distance as they scampered away to hide themselves.
On the 19th the head of the column approached Arroyo Colorado, one hundred and thirty miles from