St Lours, Sept. 16. The following 'etter, which will be published to-inorrow, roveals tho miasion of Oaptaio Kidd, who arrive 1 Romo days sinco, with a flag of truco íram tbú rebol camp, at Springfiold, Mis-souri. Headcjuaríers Western Dïpartkext,} September 14th. J Col. T. Taylor. commandingnt Springfiold: Sir: Yours of tho 8th inst., coataining an crroneous construction of my proclamation of tho 30th uit., has had my attention. I understand tho object of your noto to bo to inquire whcther it was my intention to snoot tho wounded who inight bo made prisonefa by thé iorcea undcr my commnnd. The following paragraph estractod from tho proclamation will be strictly enforccd within the lines prescribed, ngainst the class of oflunders for whom it was intonded, viz: Al! persons who shall be taken with arma in their hand within these linea hall bo tríed by Court Martial and ii found guilty will be shot. Tho lines ate declarod to bo those oí the ermy in the military occupation of this ötato. You have wholly misapprehendcd tho meaning of the proclamation. Without undertaking to determine the condition ot any man engaged in this robellion, I desiro it to be clearly understood that the proel' mation is intencled distinctly to recognize the usual righta of an open encmy in tho field, and to bo in all other respects strictly conformablü to the usages of war. It is hardly necassary for me to say that it ivas not propared with any purpose to ignore tho ordinary rights of' humanity with respect to wounded men, or tlioso who are humaneiy engaged in alleviating their Buffering. (Signed,) J. C, FHE.MONT, Maj.-Ocn'l Com'g.