-The great.pcaler is faltering Ãn his antrslavery coursc. Wc have noticcd for some time from the tenor of his speeches tlmt the donations of slaveholdcrs to the Repeal Association have produced i dimimition of his anÃ¼-slavery zeal. - At a late meeting in Dublin, he announced his intention o!' sÃªnding his som Maurico ncross the Atlantic, and explained his position thus: 'Tle hoped' before tiie end of autumn, that Ircland would be sufÃ¯iciently agitated, and Repeal Wurdens and Collectors at full work, eo as to enable thcm lo loave their duties, and proceed first to Cunada and Nova Suotia, and from thence to the United States, (choers,) to excite and receive tbc sympothy of their fellow-sulijccts in ihe two formcr countrics, U3 well as in America. His son was, of course, likc him (Mr. O'Connell,) ond Mr. Steel?, the decidcd enemy of slavery, and, of course, abhorrcd it most of all in a domestic foren. I3ut, going to Ihai country ht ivould nol interft-reinany way, or say one word on ihe subject, whÃ¼e recciving thtir hospilality land kindness (hear.) Entertaining bid own [ opinions, hc would express tbem on tsnitable occasion in this country, and say with Mr. Steele, tbat even if lie wcre prohibited from the Repeal of the Union, he would not be a consenting party to have one human being in slavery. Il wÃ¼s a great moral principie of the Catbolic religiÃ³n, t hat no mat;er how important the end may be, there was no quantity of good can possibly sanction the slightest evil in its ottainment; no good could be obtained at the expenses of any evil vvhatever, and r.o man was justified in con-enting to makc nny human being a t lavo to onothcr.''