Chicsgo, April 19. A letter to the Evening Journal, dated Grand Eeore, says our cavalry had beeu driviug tho enemy for two days ; but in the forenoon of the 8th, word was sent back for an infautry support, and General Ransom in oommand of the Third and Fourth Divisions of ihe Thirteenth Corps, waa ordered to send forward a Brigade, and did so at noon, hiraself following with the Fourth División. After advancing about five miles from where tho Third División of bis comïnand and tbo Niueteeuth Corps were eiioamped. the rebels made a staud, and our line, oonsisting of ouly 2400 iufantry formed in a belt of woods, with an opeu üeld in front, and the enemy in the woods on the other sido. General Stone, of Ball'e Bluff fame, Chiuf of General Baok's staff, waa on the field and took the direotion of move iaents. Geaernl Ransom was in favor of advanciiig only in foree, but his wish was dit-regarded. After keeping up a skirmish aoross this open field -for about an hour, tlio enemy advaneed upon us in overwheluaing numbcra, estimated at teu thousand. General Rarsom got all the available troops to the fiont, itnd oponed on thetn. The enemy lost heavily, but advanced steadily and soon made our cavalry give way and our infantry fall back. Iu a few moments the enemy pressed us so closeiy and the panic auiong our eavalry was so dcmoralizing that the retreat became a route. General Rausom did all in his power to rally the men, but finding it impossible with out reinforcamacts, he made every effort to savo the artillery. While endeavoring to get the Chicago Mercantile Battery olí, he was severely wouuded in the leg. Capt. Cyrus E Dickey, his Adjutant was instantly killed. Our loss is large, probably two thouand. The Chicago Mercautile Battery lost all its gum. Captain White is a prisonor. - Lieutenants Throop and McBride are killed. VVhile the Fourth División was falling back the Third División, uumber ing only 1,800 men, carne up, and was immediately routed. Finally the Nineteenth Army Corps, with 7.000 men, camo up, formed in line and checked the euemy, and held theui until wo got all truius off, except that of the cavalry. The wholo army is now falling back here, whoro it must wait and reorganizo before proceediug towards Shreveport. Later inteligcnce confirms the above, but reports that Gen. Smith arrived with reinforcements, whipped the rebels next day, and cuptured 2000 prisoners. News couflictiug.