...e field. My last, under date of the twentieth inst., written on the battle-field of Pea Ridge, indicated that we were to march that night, the whole army, as I then supposed, under the command of Gen. Schofield , directly south on the Fayetteville road, in pursuit of the enemy. Information, however, coming to hand that they had divided their forces, Marmaduke, Rains, and others, with one portion of it, to ...