To be sure, the march was not entirely agreeable. For about 196 miles it stretched on and on, and most of the way it lay through deep, sandy plains, here glistening with salt, and there varied with briny marshes or sticky black dirt. In some places Mexicans had burned the herbage; and the light ashes, raised by the tramp of many feet, settled on the soldiers' faces till they could scarcely recognize one another. Tortured with thirst, they would occasionally break ranks pell-mell at the sight of water; but as a rule they found it brackish. All suffered alike; and we have a picture of Taylor himself breakfasting at the door of his tent with a mess-chest for table, his rugged countenance flaming with sunburn, his long lips cracked and raw, and his long nose white with peeling skin. But the experience, even at its worst, proved a wholesome tonic after the degeneration of Corpus Christi.[7.19] March 20 the army came to the Arroyo Colorado, a salt lagoon about a hundred yards wide and three or four feet deep. Here General Mejía, the commander at Matamoros, who knew all about our troops and their movements, had intended to win a sheaf of laurels; but orders from his government, not quite ready for action, arrived in time to curb this ambition. He concluded then to try the effect of a ruse, and his officer convinced the Americans, with solemn warnings, bugle-calls here and there, and a clever showing of heads among the bushes and trees on the southern side of the lagoon, that a hard fight would result from attempting to cross it. But without the least hesitation Taylor prepared for battle. Ringgold's pieces were made ready. Worth dashed into the stream at the head of an advance party; and on gaining, unopposed, the opposite bank, he saw--dust in the atmosphere, and far away a dozen small black specks rapidly growing smaller. But morally it was a victory; and the troops, though cheated, felt encouraged.[7.20]