The Indian War

City Register of the 21st uit., we learn that under the direotion of General Cook, arrangcments were being perfect ed for tbelndian expedition. The Sixth Iowa oavalry was anxiiusly lookcd for. The prograinme arranged for the expedition oontemplates a movement directly up the Missouri river upon both sides, bv the troops under command of General Cook, to be acoompanied by a steamor with supplios, while the force being organized in Minnesota will proceed by a more northerly rout in the direction of Devils s Lake, in the neighborhood of which junction will probably be formed. wbe-i such arrangements will be made for further operations as circumstanceces mav sui-'n'est. EFST It lias been finally decided to release the British steamer Peterhoff, captured on the charge of attempting to run the bloekade. It appears that sha wiis in the British channél of the West Indies.