New Youk, Sept. 5. The stearner Cahaba, from New Orleaus, 28th, arrived this mnrniug. Among tl. e passengers is Gen. Bailey. Gen. Herrón had returned from an expeditioD to Redwood, seventeen miles trom Baton llouge, ou the Clinton River, where he had a üght with the cueiuy, inflictiug a loss oí 150 men, besides destroying a largo amount of stores. Our loes was about thirty killed aud wounded. An exchange of about 100 prisoneis recently took place near Baton Rouge. Gen. Granger has issued au order of acknowledgments to the army, for the part they took in the reduction of Forts Morgan and Gaines. There was r.ot a single man lost by our forpes in the last attack on Fort Morgan. The army worm is making sad havoc in cotton near Baton Rouge. Tho rebel eommander Jack Scott, has his head quarters at Clinton, La. He cornmauds about 30,000 cavulry, and is pupported by tbree batterics - two of four guns and oue tbree. Mr. I). Maun bas been nomiuated for Gongrcss, by the Frce State Union Association, at Batou Rouge. About 40,000 volumes of the lost works belonging to the State Library, have beeu recovered from the place where they wure soereted. Governor Hahn returned from the North, ou the 26th, and was vvaruily roceived. At such i time as this, aad in such a strugglc, poüücal part.isansbip should be merged in a true and brave potfiotism, whioli thinks only of the g.iod of the wlmle country. - Gen. McCleïïan's West Point Oration.