Straits- The Minnesota This splendid steamer Is now Flagi ship of the Home Fleet. She rates with the Wahatk Merrimack, Colorado, and others of that claaa. Her burCen ia 3t)0 tona ; ahe waa built at Washington laj ISoa, and w ill carry on her ccmlng cruise no leu than? 40guca of very heavy calibre. The Minnesota bas done about four years active service, and haa been! wtcre Cspt. Doi ost con.mar.ded her. Commodore STBJKuHAa, the late Adrlaer-In-Chlef ofthe Navy De" partment, has been appointed Commander In-Chief off. the Home Squadron, and w ill hoitt his wihte flag on the Minnesota, He went from this City last night U put her in commission.