(Jove McKenzie, of the United Slates Navy, His father’s name, originally, was Slid611, but he had it changed to McKenzie, to please a relative of that name and inherit a fortune. He was abrothev of the late John Slidell, of New OrlcanB, oapturod on the Trent as a Confederate Commissioner. Commodore McKenzie will be particularly remembered by, his having hung, thirty years ago, at the yard-arm of hia-vessel, the brig Somers, a midshipman, the son of the than Secretary of War, John C. Spencer, together with Coxswain Cromwell and a private sailor, for mutiny.- Randall Slidell McKenzie graduated at West ^oint, in 1862, and entered the army as second lieutenant of engt noers. He rose rapidly, and at the close of the war, he hold the rank of brevet Major-General of volunteers, and Captain of Engineers in the regular army. He was made a Colonel and sent to Texas, in command of the Forty-first Regiment of Infantry, colored, where he has been operating Binco in defenoo of the border. His raid into Mex-!icohas made him famous. Col. McKenzie’sst.mother is now, and has for some time pa? been, a resident of Aiken.