The account of the adventures and skirmishes with which the small force of United States troops under General Kearny met, while on their march to San Diego, in Upper California, is one of the most interesting to which the contest gave birth. The party, which consisted of one hundred men when it started from Santa Fé, reached Warner's rancho, the frontier settlement in California, on the Sonoma route, on the 2d of December, 1846. They continued their march, and on the 5th were met by a small party of volunteers, under Captain Gillespie, sent out by Commodore Stockton to meet them, and inform them of the revolt of the Californians. The party encamped for the night at Stokes's rancho, about forty miles from San Diego. Information was received that an armed party of Californians was at San Pasqual, three leagues from Stokes's rancho. A party of dragoons was sent out to reconnoitre, and they returned by two o'clock on the morning of the 6th. Their information determined General Kearny to attack the Californians before daylight, and arrangements were accordingly made. Captain Johnson was given the command of an advance party of twelve dragoons, mounted upon the best horses in possession of the party. Then followed fifty dragoons, under Captain Moore, mounted mostly on the tired mules they had ridden from Santa Fé--a distance of 1050 miles. Next came about twenty volunteers, under Captain Gibson. Then followed two mountain howitzers, with dragoons to manage them, under charge of Lieutenant Davidson. The remainder of the dragoons and volunteers were placed under command of Major Swords, with orders to follow on the trail with the baggage. As the day of December 6th dawned, the enemy at San Pasqual were seen to be already in the saddle, and Captain Johnson, with his advance guard, made a furious charge upon them; he being supported by the dragoons, the Californians at length gave way. They had kept up a continual fire from the first appearance of the dragoons, and had done considerable execution. Captain Johnson was shot dead in his first charge. The enemy were pursued by Captain Moore and his dragoons, and they retreated about half a mile, when seeing an interval between the small advance party of Captain Moore and the main force coming to his support, they rallied their whole force, and charged with their lances. For five minutes they held the ground, doing considerable execution, until the arrival of the rest of the American party, when they broke and fled. The troops of Kearny lost two captains, a lieutenant, two sergeants, two corporals, and twelve privates. Among the wounded were General Kearny, Lieutenant Warner, Captains Gillespie and Gibson, one sergeant, one bugleman, and nine privates. The Californians carried off all their wounded and dead except six.