With this mixed crowd Jackson had to fight the very best troops in the British army. Only about half of his men had ever heard a bullet whistle, and less than half of them were drilled and disciplined; but they were brave men who believed in their general, and they were about to fight for their country as brave men should. When all were counted--backwoodsmen, regulars, city volunteers, negroes, Indians, and all--the whole army numbered only 2131 men! But, weak as this force was, Jackson had made up his mind to fight with it. He knew that the British were too strong for him, but he knew too that every day would make them stronger, as more and more of their troops would come forward each day. The British camp was nine miles below the city, on a narrow strip of land between the river and a swamp. Jackson sent a gun-boat, the _Carolina_, down the river, with orders to anchor in front of the camp and pour a fire of grape-shot into it. He sent Coffee across to the swamp, and ordered him to creep through the bushes, and thus get upon the right flank of the British. He kept the rest of his army under his own command, ready to advance from the front upon the enemy's position. But no attack was to be made until after dark. The army was kept well out of sight, and the British had no suspicion that any attack was thought of. They did not regard Jackson's men as soldiers at all, but called them a _posse comitatus_ of ragamuffins--that is to say, a mob of ragged citizens--and the most they expected such a mob to do was to wait somewhere below the city until the British soldiers should get ready to drive them away with a few volleys. So the British lighted their camp-fires, stacked their arms for the night, and cooked their suppers. They meant to stay where they were for a day or two until the rest of their force could come up, and then they expected to march into the town and make themselves at home. Night came on, and it was exceedingly dark. At half-past seven o'clock there came a flash and a roar. The _Carolina_, lying in the river, within a few hundred yards of the camp, had begun to pour her broadsides into the British quarters. Her cannon vomited fire, and sent a hail-storm of grape-shot into the camp, while the marines on board kept up a steady fire of small-arms. The British were completely surprised, but they were cool-headed old soldiers, who were not to be scared by a surprise. They quickly formed a line on the bank, and, bringing up some cannon, gave battle to the saucy gun-boat.