...stood ready at the first tap of the drum. Signs of terrible portent abound; and soon comes the 19th of April. A beacon-fire has been lighted; a horseman rides at full speed through the streets of Medford ; the bell rings, drums beat, all doors fly open. The awful tidings have already spread over the county, and will soon penetrate the adjoining States. The workshops, the brickyards, the counting-h...