Among the Contributors to the Twelfth Volume of the Revised Edition are the following;

Frederic Adams, Newark, N. J. Orange, N. J.

A. Arnold.

Mowing and Reaping Machines.

Paul Arpin, late Editor of the Courrier des Etats- Unis.

Necker, Jacques.

Necker, Susanne Curciiod de Nasse.

Prof. B. Fordyce Barker, M. D.

Obstetrics.

WlLLARD BARTLETT.

Natal.

Niger.

Nile.

Northwest Provinces.

Nubia.

Julius Bing.

Munich,

Nesselrode, Karl Robert von, Count,

Orleans, Duchy and Families of, and other articles in biography, geography, and history.

Francis C. Bowman.

Music (History of). Nilsson, Christine. Offenbach, Jacques. Organ.

Rev. Charles H. Brigham, Ann Arbor, Mich.

Owen, John.

Edward L. Burlingame, Ph. D.

Newspapers (Foreign),

Oviedo y Valdes, Gonzalo Fernandez de,

Onus, and other articles in biography and history.

James Burns, M. D., New Orleans, La.

New Orleans.

Rev. Charles P. Bush, D. D.

Nestorians. Nestorius.

Robert Carter.

Neo-Platonism. O'Connell, Daniel, Orangemen,

OSSIAN, and other articles in biography and history.

John D. CHAMPLIN, Jr.

Mummy,

Muscat,

Nicaragua,

Northmen,

North Sea,

Norway,

Oman, and other articles in biography, geography, and history.

Prof. E. II. Clarke, M. D., Harvard University.

NlCOTIA,

Opium (medical part), and other articles in materia medica.

Hon. T. M. Cooley, LL. D., Michigan University, Ann Arbor.

Negligence, Nullification, and other legal articles.

Prof. J. C. Dalton, M. D.

Mucus, Muscle, Nerve, Nerve Cell, Nose, and other medical and physiological articles.

Hon. Charles P. Daly, LL. I)., Chief Justice of the Court of Common Pleas, New York.

Naturalization.

Prof. W. II. Draper, M. D.

Nervous System.

Eaton S. Drone.

Nebraska, New Hampshire, New Jersey, New York (State), North Carolina, Ohio, and other articles in American geography.

Robert T. Edes, M. D., Harvard University.

Articles in materia medica.

W. M. Ferriss.

Muezzin. Mufti. Ohm, Georg Simon. Ohm, Martin. Oxford, University of.

Prof. Willaed Fiske, Cornell University, Ithaca, N. Y.

Norway, Language and Literature of.

Samuel W. Feancis, M. D., Newport, R. I.

Mott, Valentine.

Gen. W. B. Franklin, Superintendent Colt's Patent Firearms Manufacturing Company, Hartford, Conn.

Musket.

Navy.

Prof. W. E. Griffis, late of the Imperial College, Tokio, Japan.

Nagasaki. Nikko.

Nippon.

Nobunaga.

Ozaka.

Alfred II. Guernsey.

Nashville, Siege of and other articles in military history and biography. Prof. James Hall, LL. D., Curator of the State Museum of Natural History, Alhany, N. Y.

Palaeontology.

J. W. HaWES.

Nevada,

New Brunswick,

Newfoundland,

New Mexico.

New York (City),

Northwest Territories,

Nova Scotia,

Ontario,

Oregon and other articles in American geography.

Thomas HItcIIcocK.

New Jerusalem.

CHARLES L. HOGEBOOM, M. D.

Nitric Acid.

Nitrogen

NUtrition Oxygen

Ozone

Prof. T. Sterby Hint, LL. D., Mass. Inst, of Technology, Boston.

MOUNTAIN.

Rossiter Johnson.

Nightingale, Florence, Oates. Titus, Odd Fellows,

Oliphant. Carolina, Orvieto and other articles in biography and geography.

Prof. C. A. Joy, Ph. I)., Columbia College, New York.

NAOHTHA.

Naphthaline,

Nickel. oxalic Acid, and other chemical articles.

Prof. S. Kneeland, M. D., Mass. Inst, of

Technology, Boston.

Mylodon,

Nautili s,

Octopus

Ornithology,

Owl,

Ox,

Oyster and other articles in zoology.

Prof. Jame3 Law, Cornell University, Ithaca, X. V.

Murrain*.

Rev. Samuel Lockwood, Ph. D., Freehold, N. J.

Newcomb, Simon.

Prof. Thomas R. Lounsbury, Yale College.

Nelson, HORATIO.

Ordeal.

Prof. Benjamin W. McCready, M. D., Belle-vue Hospital Medical College, New York.

Ophthalmia.

Prof. Alfred M. Mayer, Stevens Inst, of Technology. Hoboken, X. J. Music (Theory of).

Rev. Franklin Noble.

NlNEVPH.

Normanby Marquis OF, and other articles in biography and history.

Rev. Bernard O'Reilly, I). 1).

Newman Jhohn Henry, Nicholas, popes

Oblates

Oratorians

Origen and other articles in ecclesiastical history.

Count L. F. De Pourtales, Museum of Com-parntive Zoology, Cambridge, Mass. Pacific Ocean.

V. Precht

Musical Box.

Richard A. Proctor, A. M., London.

Nebula.

Nebular hypothesis Neptune and other astronomlcal articles.

Prof. A. Rauschenbusch, D. D., Rochester Theological Seminary, Rochester, N. Y.

Munzer, Thomas.

Prof. Charles Valentine Riley, State Entomologist, St. Louis, Mo.

Oak Apple.

Philip Ripley.

Nast, Thomas, Newspapers (American), Nordhoff, Charles, and other articles in biography.

John Savage, Fordham, N. Y.

O'Brien, "William Smith. O'Curry, Eugene.

Prof. Philip SchAFF, D. D., Union Theological Seminary, New York.

Neander, Johann August Wilhelm.

Prof. A. J. ScnEM.

Old Catholics, and other articles in biography and history.

J. G. Shea, LL. D.

Narragansetts,

Natchez,

Nez Perces,

Onondagas,

Osages,

Ottawas, and other articles on American Indians.

Prof. J. A. Spencer, D. D., College of the City of New York.

Muhlenberg, William Augustus. Neale, John Mason. Onderdonk, Henry Ustick. Onderdonk, Benjamin Tredwell.

Prof. Frank H. Stoker, College of Agricultural Chemistry, Harvard University. Nomenclature, Chemical.

Rev. William L. Symonds, Portland, Me.

Mysteries.

Prof. George Thurber.

Mushroom, Myrtle,

Nasturtium,

Oak.

Olive,

Orange,

Orchids, and other botanical articles.

Prof. G. A. F. Van RHyn, Ph. D.

Mythology,

Netherlands, Language and Literature of,

Osiris, and other archaeological, oriental, and philological articles.

I. DE VeITELLE.

MURCIA,

N'ikvo Leon,

Oajaca,

Paez, Jose Antonio, and other geographical articles.

B. E. Wells, Oswego, N. Y.

Oswego.

C. S. Weyman.

MUrillo, Bartolome Esteban. overbeck, friedrich. Overbeck, Johannes Adolf. Ovid. Painting.

II. Willey, New Bedford, Mass.

New Bedford.