...Capt. Dwight, of the Banks army, was recently shot dead. The Herald's correspondent furnished the following account of his shooting: He was endeavoring to reach the advance of infantry beyond Opelousas , and as he was riding along the road he met three men, who ordered him to halt. He did so, and asked the question, "Who are you?" They did not reply, but said, "He is a damned Yankee, let's kill hi...