We have received a protest, signed by five Polish officers,
against the imputation on Mr. Ostrowski's character, contained in letters the con- tents of which we stated in this journal Of the 16th of February. The. reader will recollect a letter from Mr. Ostrowski, in which the public character of Prince Czartoryski was attacked, and Lord Dudley Stuart's judgment and knowledge of Polish history impugned. This letter produced several long communications, defending the Prince, eulogizing Lord Dudley, and denouncing Mr. Ostrowski as a Russian spy, with whom no honest Pole would hold communion. The protest above-mentioned is a rejoinder. Mr..Ostrowski is lauded as an honest Democrat, who was forced to leave Paris because he asserted that it would be no murder in a Pole to kill Nicholas. It is denied that Czarto- rvski, who is supported only by a" handful of aristocrats," enfranchished his slaves, and instigated others to follow his example : and as proof er the real estimation in which the Prince is held, it is stated that in 1834, 2989 Poles signed a memorial declaring him " an enemy to the emi- gration."