CONTENTS Oaxaca. See Oajaca, Obadiah 563 Ober-Ammergau 564 Oberlin 564 Oberlin, Jean Frederic 564 Obi ..! 564 Obion co 564 Obiter Dictum 564 Oblates of St. Charles 565 Oblates of Mary Immaculate 565 Oblates Sisters of Providence 565 Obligation. See Bond, Charter, and Contract. Oboe. See Hautboy. Obolus 565 Obrenovitch. See Servia. O'Brien co 565 O'Brien, William Smith 565 Observants. See Franciscans. Observatory 566 Obsidian and Pumice 567 Obstetrics 568 O'Callaghan, Edmund Bailey 571 Occam, William of 571 Occom, Samson 571 Ocean 571 Ocean co 572 Oceana co 573 Oceania 573 Oceanus 573 Ocellus Lucanus 573 Ocelot 573 Ochra. See Okra. Ochre 574 Ockley, Simon 574 Ocmulgee 574 Oconee co 574 Oconee 574 O'Connell, Daniel 574 O'Connor, Arthur 575 O'Connor, Feargus Edward 575 O'Connor, William Douglas 576 O'Conor, Charles 576 Oconto co 576 Ocosingo 576 Octavia 576 Octavius. See Augustus. October 576 Octopus 576 O'Curry, Eugene 578 Od. See Reichenbach, Karl. Odd Fellows, Independent Order of. 578 Odense 579 Odenwald 579 Odeon 579 Oder 579 Odescalchi, Marc' Antonio 579 Odescalchi, Tommaso 579 Odescalchi, Carlo 580 Odescalchi, Baltassare (two) 5SO Odessa.... 580 Odevaere, Josephus Dionysius 581 Odilon Barrot. See Barrot. Odin 581 Odoacer 581 Odometer 581 O'DonneH, Leopold 581 O'Donovan. John 582 Odyssey. See Homer. (Ecolampadius, Johannes 582 Oecumenical Council. See Council. (Edema 582 Oedenburg co 583 Oedenburg 583 Oedipus 583 Oehlcnschlager, Adam Gottlob 584 Oels 584 CEnothera 584 Oersted, Anders Sandoe 585 Oersted, Hans Christian 585 Oertel, Philipp Friedrich Wilhelm.. 586 Oesel 586 Oesterley, Karl 586 Oetinger, Friedrich Christoph 686 Oettinger 587 Oettinger, Eduard Maria 587 Ofen. See Buda. Offa 587 Offenbach 587 Offenbach, Jacques 587 Offenburg 587 Ofterdingen, Heinrich von 588 PAGE Og 588 Ogdensburg 588 Ogemaw co 588 Oggione, Marco da 588 Ogilby, John 588 Ogilvie, John 588 Ogle co. 588 Oglethorpe co 589 Oglethorpe, James Edward 589 Oglio 589 Ogobay 589 Ogyges 589 Ohio 589 Ohio co , Va 602 Ohio co., Ky 603 Ohio co., Ind 603 Ohio Eiver 603 Ohm, Georg Simon 604 Ohm, Martin 604 Ohmacht, Landolin 604 Oils and Fats 604 Oise, a river 605 Oise, a department 605 606 Okanagans 606 O'Keefe, John 606 Okeghem, Jan 607 Oken, Lorenz 607 Okhotsk 607 Okhotsk, Sea of. 607 Okra 607 Oktibbeha co 608 Olaf, Saint 608 Oland 608 Olbers, Heinrich Wilhelm Matthaus 608 Oldcastle, Sir John 609 Old Catholics 609 Oldenbarneveldt. See Barne veldt. Oldenburg, a grand duchy 612 Oldenburg, a city 612 Oldham co 612 Oldham 613 Oldham, John 613 Old Man of the Mountain. See As- 622 024 Oldmixon, John Oldtown Oleander Ole Bull. See Bull, Ole Bornemann. Olefiant Gas. See Carburetted Hy- drogen. OleicAcid Oleo-Margarine O16ron : Oleron, Laws of. See Law Mer- chant. Olga.. Olibanum. See Frankincense. Olier de Verneuil, Jean Jacques . . . Olin, Stephen Oliphant, Carolina Oliphant, Laurence Oliphant, Margaret (Wilson) Oliva, Alexander Joseph Olivarez, Gasparo de Guzman, Count Olive Oliver, Andrew Oliver, Peter Olives, Mount of Olivier, Guillaume Antoine Olivier, Juste Daniel Olivier, Theodore Olla Podrida Ollivier, Emile Olmsted co Olmsted, Denison Olmsted, Frederick Law Olmiitz Olonetz Olshausen, Hermann Olympia, Washington territory Olympia, Greece Olympiad. See Chronology, vol. iv., p. 557. Olympias Olympic Games Olympus, Mount Olynthus Omaha Omahas PAGB Oman 624 Omar I 626 Omar II 626 O'Meara, Barry Edward 626 Omen 626 Omentum 627 Omer Pasha 627 Omish. See Mennonites. Ommiyades 628 Omphale 628 Omri. See Hebrews, vol. viii., p. 587. Omsk -628 On. See Heliopolis. Oncken, Johann Gerhard 628 Onderdonk, Henry Ustick 628 Onderdonk, Benjamin Tredwell ... 628 O'NeaU, John Belton 629 Onega 629 Oneida co., N. Y 629 Qneida co., Idaho 629 Oneida 629 Oneida Community. See Noyes, John Humphrey. Oneidas 629 O'Neill, Eliza 630 Oneiza 630 Ongaro. See Dall' Ongaro, Fran- cesco. Onion 630 Onlaf. See Aulaf. Onondaga co 631 Onondagas 632 Onslow co 632 Onslow, George 632 Ontario co., N. Y 632 Ontario 633 Ontario co., Canada 640 Ontario, Lake 640 Ontology. See Philosophy. Ontonagon co 641 Onyx 641 Oolite 641 Oort, Adam van 641 Opal 642 Opatas 642 Opelousas 642 Opera 642 Ophicleide 643 Ophidians. See Serpent. Ophir 643 Ophites. See Gnostics. Ophiurans 643 Ophthalmia 644 Opie, John 646 Opie, Amelia 646 Opitz, Martin 646 Opium 647 Opodeldoc 650 Oporto '. 650 Opossum 651 Oppeln 652 Oppenheim 653 Oppert, Jules 653 Oppian 653 Optics 653 Opuntia. See Cactus. Opzoomer, Carolus Wilhelmus 660 Oracle 660 Oran 661 Orange 661 Orange co., Vt 665 Orange co., N. Y 665 Orange co., Va 665 Orange co., N. C 665 Orange co., Fla 665 Orange co., Texas 665 Orange co., Ind 665 Orange, N. J 666 Orange, France 666 Orange, Principality of 666 Orangeburg co 666 Orangemen 666 Orange River. See Cape Colony. Orange River Republic. See Boers. Orang-Outang 667 Oranienbaum 669 Oratorians 669 Oratorio 669 Oratory 670 Orbigny, Alcide Dessalines d' 670 Orbigny, Charles Dessalines d' 670
