...gnal from the steam-whistle, a heavy fire was opened from all the gun-boats on the Confederate batteries, and from General Getty's two batteries on Colham's Point, opposite, under Captains Morris and Valler , U. S. A. When all was in position, Lamson steamed slowly down the river, as if about to run the batteries (which he had done several times before), until he got nearly abreast of the enemy's wor...