During the night, the Americans were hit by snipers and at 2 AM, shelled by a 4-pounder.:185 Setting off at daylight, Mervine's force formed a square when in sight of the Californians astride the road with their cannon, expecting a cavalry charge.:185 Yet, when the Americans charged, the Californians moved the gun wit their reatas.:185
CaptainJosé Antonio Carrillo, led fifty CalifornioLancer troops in a successful defense. By strategically running horses across the Dominguez Hills, while transporting their single small cannon to various sites, Carrillo and his troops convinced the Americans they had encountered a large enemy force.
By 9 AM, the Americans concluded they could not take the gun and could not retake Los Angeles and decided to retreat back to San Pedro.:185 Five hours later, they were back on their ships.:185