From The Southwest

Chicago, April 22. A special dispatch to the Times dated Cairo iaya : An arrival from Pittsburg brings the following : Weatbor in that quartor has been excessively unfavorable fcr movuinents of the arniy. The last thriA: d:iys raía has fallen incessantly, and no thore is an utter impossibility uf anny inovements 011 accouut of the jri-L'ut dciiih of mud. Proparations, however, aru goiug on stcadily. So when the roads in) prove tho army will be in reedÍDees few battie. Beauregard is being constantlv rein infbrced. Oitizens of Mcmphis and New üi'leans a'o tbrowing up tlieir business óocupatioDS and flocking to 1j:s standard, believing on the ensuiug battie dcpcu!s the fatü of the valley of the Mi.ssi.ssi;i. It is thought by those who know best that a majority ot' the Southern people are ready to down their ani;s and return ti) the Union if defeuted at Gorinth, while the leadurs are Btubbora and deiperatc as ever. Fivo of tho rebels miscreants who fired on the sle.imcr .Minneliaha, on a re cent trip up tlie river, have been captured, and wilt bc shot. A quantity of animonitioD and a number of United istutes horsi's were captured with tlicm. The stenmsr Sliingers left the ñeet on Sunday evenmg aud arrived to-day, brÍDgS no news of importance. Tb ere was noiiriiig tho day slic left on oither siJe, and on!y u few BBOts were exchangëd on Saturday. Chicago, April 22. A special to the Tribune, from Cairo, says : " Tiie rïver at this point is ::t a stand. Experienced river men say that an overflow s inevitable. nAt Pittsburg Landing, Todo., the river bas risen lö teet. Up to Sunday night the couutry opposite the Landing is covcrud witb water, to the depth of from three to four feet. This rise has not vet reached Cairo." ' The Eastport, captured from the rebel.; at Niishville, is being transformcd iota a first-class gunboat, and is nearly coinpleïed. She will bo the largest boat of tho flotilla, and will be ariued with 10inch Dahlgicns.