hind him, and they soon discovered Burch crossing a bridge over the canal at j tho foot of Eighth street. They got tho assist ance of Sergeant Thomas, of the police force, and thus reinforced, they made a demonstra tion upon Burcli, who left the bridge and got into a boat. Sergeant Thomas followed, and a struggle ensued, in tho course of which Burch attacked the officer with the bntt of the