...by abatis of fallen timber, and the defenses at Snyder's not likely to be assailed, he stationed the First Louisiana and two guns at the mound, or sandbar, four regiments and a battery at the head of Chickasaw Bayou , and a regiment between the mound and the bayou. Rifle-pits were hurriedly thrown up at the mound and the bayou, and across the lake timber was felled for an abatis. On the 26th the fighting be...