... assistance of men of straw, and of horse dealers to sell the same article several times to the Government, and the enormous abuses of the sutler system. Leavenworth, Kan., Jan. 16. -- Brigadier General Denver left to-day for Western Virginia. A continued guerrilla warfare is carried on in Johnson and Bates counties, Mo., by roving bands of rebels. A detachment of Johnson's command recovered a quan...