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in fc o iH O O ¦B PATENTS MUNN & CO., of the Scixntipic America v, continue toact as Solicitors for Fatents, Caveat, Trade Marka, CopTrlghts, for tbe United Staten, Canada, Rngland, France, Germany, etc. Hand Boolc about Iatents sent free. Thlrty-seven yeara' experience. Patents obtnlnnd throueh MUNN 4 CO. are notlced intheSciKNTiric Amkbican. tho largest, beat, and mort wldely olrcuiated ecientlflc paier. $3.20 a year, Weekly. Bplendld enfrravfncs and interpating informatlon. Specimen copy of tho SciCDtiflc American ent free. AddreM MUNN CO.. SriCN'TijrK American Office. 261 Brosdway, New Tork.