Highwaymen Constitutional Democrats.— The Sacramento Star savs the robbers that attacked the Placervilie stage, on Thursday night las’, are fair samples of the Democratic party of this State. Their objects are the same, and, if the slightest opportunity offers itself, they will spring up by hundreds and engage in their guerrilla warfare here, as they do in the Hast- All they want is the first speck of war, and then look out. The robber that was wounded by Staples in the attempt to arrest the gang, at the Somerset House, givesthe name of Thomas 13. Poole. He savs he•was or.ce Sheriff of Monterey county, and knew noting about the robbery, having fallen in with the robbers that morning at the house. He is said to be one of the Chapman pirates, and Watson, the stage driver, is positive that Poole is the man who gave him the receipt. The connection is complete. Faiiicg iu the Chapman piratical excursion, Poole turns his bands to the highway, and it is remarkable how quiet the secesh papers are ia regard to this most daring robbery.