HJSLKNA, Ark., Uct. 4. We have lato anci very reliablo intelli pence froin tht) rebel forces in this State, wliich ia regarded y military met: here as wiirtliy of confidence. It is tis late as tho 18th and 22d ults., knd siwiously modifi s many reporta wo have heard, sume üf whiuli have reached the country Aceordin to this int'üimation, the rebel forces in Arkansas nuuiber and are eucampcd as f llows : Gen Hindman at Austin. twenty-five miles noith of Little Hook, with 5,000 men and ono baitei y. Gen. Raina at White Sulpliur Sprints, DP.ar Pine Bluffs, on the Ar)ansis River, fifty niilrs South east of Littlo liock, with 5,000 men, two re;inieiits of whoin are eonseripfs, one unarmined, also a Tozad regiment and one battury, consistn.g of three six po.unders of irou, on.' telve pounder of br;iss, and one si?ge piect1, thiriy mouuteil. Gen. Mcllea mi the Arkanas Uiver thiriy miles N'orth-svcst of Nupoleon. Gen. Kuins at Coop llollows with a rcported force of from 4 to 5,00 J mostly cunsuripts. Gen Holtnee, Comminder in Chief of a the forces at Liltle Rock, with about 2,000 men, and throe batteri s, one of two "i-puuners and three 6 poundes, and the othcr of two rifled 6 pouuders and two 1'2 pound howilzers Gen. MclJride at He esvült", with about 2,000 men, only 1,500 of whoin are efFectivo Most of their cavalry forcé has boon dismounted at present. It is uot bü lieved tliey have muro tlian "2,000 cuvalry in the Si a te. At Arkadelphia. 80 or 100 miles South west of Liltlu Roek, the rubels manufacture inuiiitious of war, aud have removed thore all State records and papers, Thuih tha rebel Generala boast of their iiitention to invade Missouri, ; g not believuiï hy intelligent men in their eamps tbat they intend to do so. If tlwy savo the capital of their State ir. is all iliej desiro t present, aud perhaps more iban tbey expect.