Pacific, XIV. 490.

XVII. 759.

OHTHERE, or Other, King Alfred's account of his voyages, 1. 507; XIX. 316. O'HURLEY, Irish archbishop, XIII. 265. OIDIUM, vine fungus, XXIV. 240, 605. OI-GAWA, river, Japan, XIII. 572. OIGNON, river, France, XIII. 782. OIKOPLEURA, genus of Tunicata, XXIII. 614.

OIKUL, lake, Central Asia, XVIII. 104. OIL, OILS, XVII. 739; in plants, IV. 88; adulteration of, 1. 171; for clocks, VI. 33; gas from, X. 100; for lamps, XIV. 244; for lighthouses, XIV. 626; lubricant, XV. 34; painter's, XVIII. 138; cocoa-nut, VI. 103; cod-liver, VI. 104; colza, VI. 176; croton, VI. 615; of lavender, XIV. 352; of lemons, XIV. 438; linseed, XIV. 677; olive, XVII. 763; paraffin, XVIII. 237; of peppermint, XVIII. 517; petroleum, XVIII. 712; poppy, XIX. 513; rape, XX. 273; sesame, XXI. 693; tar, XXIII. 58; of turpentine, XXIII. 669; whale, XXIV. 529; Sicilian, XVIII. 713.

BIRD, XI. 227.

CAKE, XVII. 739; XIV. 677. CITY, Pennsylvania, U.S.A., XVII. 739.

COLOURS, XIX. 86.

CREEK VALLEY, Pennsylvania,

U.S.A., XVIII. 713.

SPRINGS, X. 271.

OILSTONE, or Hone, XII. 134.

OIL VARNISHES, XXIV. 91.
OIL-YIELDING PLANTS, I. 383.

OIREAMHAIN, ancient district, Ireland, xv. 669.

OIRON POTTERY, XIX. 629.

OISE, department, France, XVII. 749; river, XXI. 624.

OKRA, or Gumbo, plant, XI. 276.

OLAF, St, Norwegian king, XVII. 586. Swedish king, XXII. 744.

587.

KYRRE, Norwegian king, XVII.

OLEA, genus of plants, XVII. 761.
OLEANDER, plant, XVII. 759.

OLEARIUS, Adam, German traveller,
XVII. 760.

OLEASTER, plant, XVII. 761.

XVIII. 237.

ÖLAND, island, Sweden, XVII. 752; XXII.

737.

202.

OLEKMA, river, Siberia, XXII. 5; XXIV. 726.

OLENEK, river, Siberia, XXII. 5; XXIV. 726.

OLBERS, Heinrich W. Matthias, German astronomer, XVII. 752; his comet, VI. 193; on the orbit of comets, VI. 182; his observatory at Bremen, XVII. 712. OLBIA, Greek colony, Scythia, XVII. 753, 504.

-, town, Asia Minor, XVIII. 207. OLBIOPOLIS (Olbia), Greek (Olbia), Greek colony, Scythia, XVII. 753, 504. OLCINIUM (Dulcigno), ancient town, Albania, VII. 520.

OLD AGE, Period of, xv. 778.
OLDBURY, town, England, XVII. 753.
OLD CASTILE, province, Spain, XXII.
298.

OLDCASTLE, Sir John, Lollard martyr,
XVII. 753; XI. 660; XIV. 812.

700.

OLEO-MARGARINE, imitation butter, XVII. 760.

,

OLÉRON, island, France, XVII. 760.
Sea laws of, XXI. 583.
OLETTE, spa, France, xx. 128.
OLFACTORY ORGANS, I. 885; XXII.
165.

OLGA, early Russian princess, XVII. 761; XXI. 88.

STRAIT, Spitzbergen, XXII. 408. OLGOPOL, town, Russia, XIX. 254. OLIARAS (Antiparos), island, Greece, II. 133.

OLIBANUM, or Frankincense, IX. 709; XII. 718.

OLIGARCHY, form of government, XI. II; in Rome and in Venice, XVII. 527.

OJEDA, Alonzo de, Spanish explorer, X.

182.

OJIBWAYS, American-Indian tribe, XII. 831.

OJO CALIENTE, mineral springs, New Mexico, U.S.A., XVII. 400.

OKA, river, Russia, XXI. 115; XXIV. 279.

OKAD, festival, Arabia, II. 256, 263.
OKAWA, river, Japan, XXIII. 432.
OKEN, Lorenz, German naturalist, XVII.
749; his contributions to morphology,
XVI. 839.

OKENITE, mineral, XVI. 421.
OKHOTSK, town, Eastern Siberia, xv.
548.

Sea of, Pacific, XVIII. 116. OKI, islands, Japan, XIII. 569. OKINAKANE, river, Washington Territory, U.S.A., XXIV. 386.

co-operative societies of, VI. 218.

, John, English satirist, XVII. 759. OLDHAVEN BEDS, in geology, X. 361. OLDISLEBEN, district, Germany, XXI. 349.

OLD MAN OF THE MOUNTAINS, chief of the Ismaelites, II. 723; XXIII. 161. OLD NICK, origin of the designation, XVII. 483.

OLD RED SANDSTONE, in geology, X. 342.

OLIGODONTIDE, family of snakes, XXII.

192.

OLIGOSPOREA, order of Protozoa, XIX. 855.

OLINDA, town, Brazil, XVIII. 552. OLIPHANT, Caroline, Baroness Nairne, XVII. 167.

OLISIPO (Lisbon), ancient town, Portugal, XIV. 693.

OLIVA, Fernan Perez de, Spanish writer, XVII. 761.

OLIVARES, Gasparo de Guzman, duke of, Spanish statesman, XVII. 761; xvIII. 746; XXII. 331.

OLIVE, plant, XVII. 761; in Attica, III. 59.

OLIVENITE, mineral, XVI. 406.
OLIVE NUT, XVII. 664.
OLIVE OIL, XVII. 744.

550, 563; at

XVI. 711.

OLIVINE, mineral, X. 228; XV. 217; XVI. 410; XVIII. 534.

OLKHON, island, Lake Baikal, Siberia, III. 241.

OLKIN (Dulcigno), town, Turkey, VII. 520.

OLLAMH, Celtic dignitary, V. 303.
OLLIVIER, Abbé, his history of Pope
Alexander VI., I. 490.
OLLULANUS, genus of nematode worms,
XVII. 325.

OLMSTED, Denison, American scientist,
XVII. 764.

OLMÜTZ, town, Austria, XVII. 764; xvI. 811; observatory at, XVII. 713; university, XXIII. 851.

OLNEY HYMNS, XII. 594; XVII. 449. OLONETZ, government, Russia, XVII. 764; XXI. 69.

OLORON-SAINTE-MARIE, town, France,
XVII. 765; XX. 127.
OLOSENGA, atoll, Polynesia, XIX. 420.
OLTA, river, Roumania, XXI. 14.
OLTEN, town, Switzerland, XXII. 250.
OLTY, town, Transcaucasia, Russia, XXIII.
515.

OLYBRIUS, Roman emperor, XVII. 765. OLYMPIA, ancient town, Greece, XVII. 765.

town, Washington Territory, U.S.A., XXIV. 387. OLYMPIACUS, Lysias's oration, XV.

poet and

Jerusalem, VI. 622.
II., caliph, XVI. 574.
KHAYYAM, Persian
mathematician, XVII. 771.
OMAYYADS, Moslem dynasty, XVI. 565;
II. 258; in Spain, XXII. 310; coins of,
XVII. 660.

OMBO, district, Tibet, XXIII. 341.
OMBOS, Temple of, Egypt, VII. 783.
OMBRES CHINOIS, puppet-show shad-
ows, XV. 547.
OMENS, VII. 293; XV. 201; of augurs,
III. 72; totemistic, XXIII. 469.
OMETEPEC, volcano, Nicaragua, XVII.

477.

OMICHUND, Bengali political agent, VI.

IO.

OMMIADES. See Omayyads.

OMM SHOMAR, mountain, Sinai, Arabia, XXII. 88.

OMNIBUS, coach, V. 136.

ONIAS I.-III., Jewish high priests, XIII.

420.

ONIN, peninsula, New Guinea, XVII. 386.

ONION, vegetable, XII. 285.

ONITSHA, town, West Africa, XVII. 498.
ONKELOS, Targum of, XXIII. 63.
ONOBRYCHIS, genus of plants, XXI. 155.
ONOCROTALUS, genus of birds, XVIII.
474.

ONOLZBACH (Ansbach), town, Bavaria,
II. 91.

ONOMACRITUS, Greek seer and poet,
XVII. 774.

ONOMASTICON, Pollux's work, XIX.
403.

ONOMASTUS, winner of Olympian prize,
XXII. 185.

ONOMATOPOEIA, in philology, XVIII.
768.

ONONDAGA, Lake, New York, U.S.A.,
XXII. 818.

BILL (1850), in United States poli- ONOPORDON, genus of plants, XXIII.

tics, v. 818. OMNIMETER,

XXII. 719.

307.

Eckhold's, theodolite, ONTARIO, Lake, North America, XVII.

OMOA, town, Honduras, XII. 130. OMPHALE (Cybele), Lydian goddess, XV. 99.

OMRA, ceremony at Mecca, xv. 674.
OMRI, king of Israel, XIII. 406.
OмSK, town, Siberia, XVII. 772.
ON, ancient town, Egypt, VII. 769.
ONAGER, wild ass, I. 259; XII. 175.
ONAS, tribe, Tierra del Fuego, XXIII.
384.

ONCA, Altar of, at Thebes, Greece, XXIII. 230.

ONCHESTOS, Amphictyony of, Greece,
I. 773.
ONCORHYNCHUS, genus of fishes, XXI.

224.

ONCOSIN, mineral, XVI. 425. ONDO, state, West Africa, XXIV. 754. ONEGA, lake, Russia, XVII. 772, 764; river, XVII. 772; XXI. 73; town, XVII. 772.

ONEGLIA, town, Italy, XIX. 532.

town, Lycia, Asia Minor, XVII. 770; XV. 93.

Phrygian musician, XVII. 770. OLYNTHIACS, Demosthenes's orations,

VII. 70. OLYNTHUS, town, ancient Greece, XVII. 771; XV. 137; taken by Philip of Macedon, XV. 139.

Haeckel's ideal sponge, XXII. 413. OMAGH, town, Ireland, XXIII. 713. OMAHA, town, Nebraska, U.S.A., xvII. 771.

OMAHAS, American-Indian tribe, XII. 832; totems of, XXIII. 468. O'MAHONY, John, Fenian leader, XIII. 271.

OMAN, kingdom, Arabia, II. 238, 261.

451.

CANAL, North America, XXI. 180. COMMUNITY, American communistic society, XVII. 772; VI. 212. O'NEILL, Hugh, Irish chief, XIII. 265.

Owen Roe, Irish leader, XIII. 267. Shane, Rebellion of, in Ireland, XIII. 264. O'NEILLS, Irish sept, XIII. 250. ONEIROMANCY, divination by dreams, VII. 293; XV. 206.

ONEIZA, town, Arabia, XVII. 773ONEKOTAN, island, Kuriles, Asia, XIV. 160.

ONESIMUS, of Scripture, XVIII. 741. ONGOLE, town, India, XVII. 321. ONGTONG JAVA, islands, South Pacific, XXII. 252.

451; XXI. 180, 182.

province, Dominion of Canada, XVII. 774.

MINE, Utah, U.S.A., xx111. 815. ONTENIENTE, town, Spain, XVII. 776. ONTOLOGY, in philosophy, XVI. 79; XVIII. 795; in relation to ethics, VIII. 574; to psychology, XX. 37; Ferrier on, IX. 110; Herbart on, XI. 718; Xenocrates's system of, XXIV. 718. ONUBA (Huelva), Roman town, Spain, XII. 334.

ONURIS, Egyptian divinity, vII. 718. ONYCHA, incense, XII. 718. ONYCHOPHORA, order of Annelida, 11. 69.

ONYCHOTEUTHIS, genus of Mollusca,
XVI. 671.

ONYX, precious stone, XVII. 776; 1. 277;
XXI. 310.
OODEYPORE (Udaipur), state and town,
India, XXIII. 716; v. 768; xX. 260.
OOGENESIS, in embryology, XX. 414.
OOJEIN, town, India, XXIII. 719.
OOKIEP, town, Namaqualand, South
Africa, XVII. 168.

OOLITE, mineral, XVI. 397.

ROCKS, in geology, X. 355. OOLOGY, in ornithology, III. 772; Des Murs on, XVIII. 32.

OOMARKOTE (Umarkot), town, India,

XXIII. 221.

OOPHORE, in plants, XX. 430. OOPHORECTOMY, in surgery, XXII. 691. OORUN (Uran), town, India, XXIII. 221. OOSPOREÆ, class of plants, III. 693. OOTACAMUND (Utakamand), town, India, XVII. 509.

OOZE DEPOSITS, of Norwegian Sea, XVII. 593; of Pacific Ocean, XVIII.

123. OPAH, fish, XVII. 777.

OPAL, precious stone, XVII. 777; XVI. 390.

library of, XIV. 532; wine trade, XXIV. 609.

XIX. 302.

OPATOW, town, Poland, xx. 218. OPENER, in cotton manufacture, VI.

491.

OPENSHAW, town, England, XVII. 777. OPERA, in music, its origin, XVII. 86, 87, 94; English, VII. 437; Italian, XXIV. 315.

BUFFA (or BOUFFE), XVII. 99; XXI. 25; Offenbach's, XVII. 732.

OPÉRA COMIQUE, XVII. 98.

796; XV. 380, 382; XVIII. 728; skins of, IX. 838.

SHRIMP, crustacean, VI. 658. OPOTCHKA, town, Russia, XX. 36. OPPEL, N. M., on the classification of reptiles, XX. 435.

OPPELN, town, Prussia, XVII. 797; district, XXII. 52.

OPPENHEIM, town, Germany, XVII. 797. OPPENHEIMER, Süss, Würtemberg minister, XXIV. 702.

XXIII. 225.

OPERETTE MORALI, Leopardi's work, XIV. 464.

OPHEL, hill, Jerusalem, XIII. 638. OPHICALCITE, marble, xv. 529; XXI. 683.

OPHICLEIDE, musical instrument, XVII. 778.

OPHIDIA, order of reptiles, XXII. 189; classification of, XX. 439, 445; parasites of, XVIII. 260; of America. I. 684.

OPHIOLITE, stone, XXI. 683. OPHIOPHAGUS, genus of snakes, XXII. 196.

OPHIR, of Scripture, XVII. 780.
OPHITE, stone, XXI. 682.

OPHIURIDEA, order of Echinodermata,

VII. 634.

OPHTHALMIA, eye disease, XVII. 780; in Egypt, VII. 704.

393.

LAW, Roman, XXII. 644. OPPIDOLO, town, Italy, XVIII. 214. OPPIDUM UBIORUM (Cologne), ancient town, Germany, VI. 152.

OPPIUS, Caius, friend of Julius Cæsar, XVII. 797.

OPPOLZER'S OBSERVATORY, Vienna,

XVII. 713.

OPPOSITES, Pythagorean theory of, XX. 138.

OPS, Italian goddess, XXI. 321.
OPTICAL ERRORS, XXIV. 435.
OPTICAL GLASS, Manufacture of, X.
665.

OPTICAL ILLUSIONS, II. 205.

OPTICAL INSTRUMENTS, XVII. 801, 806. OPTICAL SQUARE, surveying instrument, XXII. 720.

OPTIC NERVE, I. 889; VIII. 816; diseases of, XVII. 784.

of medicine, XV. 797. OPHTHALMOMETER, scientific instrument, VIII. 820.

OPHTHALMOSCOPE, instrument for examining the eye, XVII. 786. OPICANS, or Oscans, ancient Italian people, XVIII. 54; XIII. 445. OPIE, Amelia, English writer, XVII. 787.

John, English painter, XVII. 787; his friendship with Walcot, XXIV. 628.

arrangements of the eye, VIII. 817; laws of, in relation to the microscope, XVI. 258; to the telescope, XXIII. 139; wave theory of light, XXIV. 421; contributions to the science by Arago, II. 303; by Brewster, IV. 276; by Newton, XVII. 438; by Porta, XIX. 526. Geometrical, XVII. 798. OPTIC THALAMI, XIX. 37. OPTIGRAPH, variety of camera lucida, IV. 740.

OPISTHOCOMUS, genus of birds, XII. 28. OPISTHOGRAPHS, of the Catacombs, V.

209.

OPITZ, Martin, German dramatist, VII.

440; X. 530.

OPIUM, drug, XVII. 787, 231; as a poison,
XIX. 278; eating and smoking of, XVII.
793, 794; smoking, in China, v. 671;
cultivation of, in India, III. 508, 568;
XII. 749; XVIII. 409; cultivation, in
Persia, XVIII. 625; opposition of the
Chinese to trade in, v. 651.
OPOCZNO, town, Poland, xx. 218.
OPODELDOC, liniment, XVII. 795.
OPORTO, town, Portugal, XVII. 795;

XIV. 764.

OPUS MAJUS, of Roger Bacon, III. 220. OPUS QUADRATUM, in Roman buildings, XX. 809.

ORACH, vegetable, XII. 285.

ORACLE, ORACLES, XVII. 808; of Greece, XIX. 91; of Delphi, vII. 53.

ORANGE, town, New Jersey, U.S.A., XVII. 813.

Princes of, XII. 74, 79; XVII. 812; their connexion with house of Stuart, XII. 79.

William the Silent, Prince of, XXIV. 582; XII. 76.

William, Prince of (William III. of England), XXIV. 578; XII. 81; invited to England, VIII. 351.

COLOURS, in dyeing, VII. 578. ORANGEMEN, association of Irish Protestants, XVII. 813.

ORANGE-NASSAU, or Orange, House of,

XII. 74, 79; XVII. 812. ORANGE RIVER, South Africa, I. 254;

V. 42.

ORANGE RIVER FREE STATE, South
Africa, I. 270; V. 45; XVII. 813.
ORANGITE, mineral, XVI. 425.
ORANG-OUTAN, ape, II. 149.
ORANGS, Malayan people, XV. 323, 324.
ORANIENBAUM, town, Russia, XVII.
814; XXI. 190, 194.

ORATORIANS, religious society, XVII. 347; XVI. 713.

ORATORIO, in music, XVII. 85, 100;
Handel's oratorios, XI. 435; Haydn's,
XI. 540; Mendelssohn's, XVI. 8.
ORATORY, Brougham's, IV. 374; Burke's,
IV. 544; Demosthenes's, VII. 72; earl
of Derby's, VII. 112; Fox's, IX. 500;
Grattan's, XI. 63; Greek, XI. 142;
Robert Hall's, XI. 392; Isæus's, XIII.
376; Isocrates's, XIII. 388; Lysias's,
XV. 118; Roman, XX. 719.
in architecture, II. 468.
Congregation of the, XVII. 346;
XVI. 713.
ORAZI, Giovanni B., Italian flute-maker,
XXIII. 521.

ORBELIAN, John, Georgian prince, as
Prester John, XIX. 716.
ORBISTON, Scotland, Owen's community
at, XVIII. 88.
ORBIT, of comets, VI. 182.
ORBITOLITES, genus of Foraminifera, IX.

377.

ORCA, genus of cetacean mammals, xv. 398.

ORCADES, the ancient Thule, XXIII.

328.

ORCAGNA, Italian painter, sculptor, and architect, XVII. 814; IX. 771; XXI. 568; his glass-paintings, X. 669. ORCELLA, genus of cetacean mammals, XV. 398.

ORCHARD CULTURE, 1. 384.

ORCHIAN LAW, Roman, XXII. 644. ORCHIDS, family of plants, XVII. 816; XII. 266.

ORCHIL, or Archil, purple dye, II. 379; XIV. 559.

ORCHIS, genus of plants, XVII. 816. ORCHOMENUS, town of Arcadia, Greece, XVII. 818.

town of Boeotia, Greece, XVII. 818. ORCUS, Roman divinity, XIX. 236. ORDEAL, XVII. 818; in Siam, XXI. 852; by the Styx, XXII. 6:4.

ORDER, or Ordination, sacred rite, XVII. 820.

ORFFYREUS (J. E. E. Bessler), his perpetual motion, XVIII. 554. ORFILA, Mathieu Joseph Bonaventure, toxicologist, XVII. 828.

ORDER OF PRECEDENCE, British, XIX. 662.

ORDERS, Holy, v. 826; XVII. 820.

Monastic, XVI. 703.

OF KNIGHTHOOD, XIV. 121; of St John of Jerusalem, XXI. 173; of Knights Templars, XXIII. 160; of Teutonic Knights, XXIII. 201; military, XVI. 709.

ORDINALIA, ancient Cornish drama, v. 323.

ORDINARY, in law, XVII. 821. ORDINATION, sacred rite, XVII. 820. ORDIN-NASTOCHKIN, Russian statesman, XXI. 96.

ORDNANCE, Construction of, XI. 288, 305.

572.

Walpole), XXIV. 335, 333.

ORGAN, musical instrument, XVII. 828;
Vogler's improvements on, XXIV. 272.
American, XI. 483.

ORGANIC CHEMISTRY, V. 544.
ORGANINA, musical instrument, XVII.
106.
ORGANISTRUM,
XIX. 65.

musical instrument,

ORGANON, of Aristotle, II. 516.

of Greek legend, XVII. 844; XIX. 559.

ORISSA, province, Bengal, India, XVII. 844; districts and population of, III. 567.

ORISTANO, town, Sardinia, XXI. 309; river, XXI. 308.

ORITHVIA, in Greek legend, III. 59. ORIYA LANGUAGE, India, Dictionaries of, VII. 191.

ORIZABA, or Orizava, town, Mexico, XVII. 845.

Peak of, Mexico, XVI. 215. ORJEN, mountain, Dalmatia, VI. 783.

XVII. 103.

SURVEY, of Great Britain, VII. 599; X. 191, 210; methods of, XXII. 708, 711; maps of, X. 210. ORDOÑO, kings of Leon, XXII. 311. ORDOVICES, British tribe, XXI. 648. ORDUBAD, town, Transcaucasia, Russia,

XXIII. 515.

ORDUS, Mongol tribes, XVI. 744. OREADES, in Greek mythology, XVII. 688.

654.

ORIBASIUS, Byzantine anatomist, I. 804; xv. 804.

ORIBATIDÆ, family of Arachnida, XVI.

528; II. 276.

ORICHES, Tungus tribe, Siberia, XXIII. 608.

ORIEL COLLEGE, Oxford, XVIII. 97.
ORIEL WINDOW, II. 460.

ORIENTAL REPUBLIC OF THE URU-
GUAY, South America, XXIV. 14.

county, XXII. 741.

ORE-DRESSERS, machines, XVI. 59. OREGON, or Columbia, river, U.S.A., XVIII. 116.

State, U.S.A., XVII. 822; early exploration and settlement of, XXIII. 758, 767.

CITY, Oregon, U.S.A., xvII. 825.
O'REILLY, Don Alexandro, Spanish
governor of New Orleans, XVII. 404.
OREL, government, Russia, XVII. 825;
XXI. 69; town, XVII. 826.
ORELLANA, Francis, Spanish explorer,
I. 654.

ORENBURG, government, Russia, XVII.
826; XXI. 69; town, XVII. 827.
GUM, XIV. 310.
ORENSE, province and town, Spain,
XVII. 827.
OREPOSA, Count, Spanish minister,

XXII. 333.

IX. 279.

ORIGANUM, genus of plants, XXIII. 333. ORIGEN, early Christian writer, XVII. 839; as Biblical interpreter, XI. 745; on the canon, v. 6, 9; his commentary on Canticles, V. 33; on Celsus's discourse against Christianity, V. 295; creed of, VI. 559; his Hexapla, 111. 646; on inspiration, XIII. 155; his part in the Septuagint, XXI. 669.

ORIGINAL SECEDERS, Scottish religious denominations, XV. 132; XXIII. 728. ORIGINAL SIN, XIX. 669; Pelagian doctrine regarding, XVIII. 472. ORIGIN OF SPECIES, III. 689; Lamarck on, XIV. 232. ORIGIN OF SPECIES, Darwin's work, XXIV. 77, 81.

ORIGIN OF THE WORLD, Myths of the, XVII.143, 156.

ORKLA, river, Norway, xvII. 575. ORKNEY AND SHETLAND, county, Scot

land, XVII. 845; area and population, XXI. 528; representation, XXIII. 727. ORKNEYINGA, Icelandic book, XII. 625. ORKNEY ISLANDS, Scotland, XVII. 845; the ancient Thule, XXIII. 328; acquired by Scotland, XXI. 495. ORLANDO FURIOSO, Ariosto's work, II. 503; XIII. 509; Harington's translation of, XI. 479.

ORLANDO INAMORATO, of Boiardo, III. 862.

ORLE, in heraldry, XI. 696.

ORLEANS, town, France, XVII. 849; university of, XXIII. 838.

island, in the St Lawrence, Quebec,

Anne Marie Louise d', duchesse de Montpensier, XVI. 792.

HOUSE, Twickenham, England, XXIII. 674.

ORLOFF (Orel), government, Russia, XVII. 825; town, XVII. 826.

town, Vyatka, Russia, XXIV. 303. Russian family of, their relation to Catherine II., v. 233.

Alexis, Russian admiral, XXI. 99.
DIAMOND, VII. 166.

ORME, Robert, historian of British India,
XVII. 853.

ORMER SHELL, XVII. 2; XVI. 645. ORMIN, early English writer, VIII. 395,

410.

ORMISTA, Orosius's work, XVIII. 50.

XXIII. 406.

First Earl of, XIII. 260.

First Duke of, XVII. 854. ORMSKIRK, town, England, XVII. 856. ORMULUM, English metrical Scripture paraphrase, 13th century, VIII. 395. ORMUS, town on Persian Gulf, XVII. 856.

ORMUZD, or Ahura-Mazda, Zoroastrian

principle of good, XVII. 858; VII. 136; XVIII. 327; XXIII. 238; XXIV. 822. ORNAMENTS, of jewellery, XIII. 675. ORNE, department, France, XVIII. 1; river, XVIII. I.

ORNITHODELPHIA, group of Mammalia, XV. 371, 377.

ORNITHOLITES, fossil birds, III. 729. ORNITHOLOGY, XVIII. 2 (index, 49); III. 699.

ORNITHOPODA, order of fossil reptiles, XX. 443.

51; orphic mysteries, XVII. 125. ORPIMENT, mineral, XVIII. 51; 11. 635; XVI. 394.

ORRERY, Earl of (Charles Boyle), IV. 183.

Earl of (Roger Boyle), IV. 185. ORRHOENE, or Osrhocne, district, Mesopotamia, XVI. 47; XVIII. 57. ORRIS-ROOT, perfume, XVIII. 52; IX. 280.

ORSEOLO, Pietro, doge of Venice, XXIV.

142.

ORSINI, Roman family, XX. 796, 806.

Felice, Italian patriot, XVIII. 52; his attempt on the life of Napoleon III., IX. 624; XVII. 228.

Giacinto Bobone (Pope Celestine III.), V. 291.

ORYEKHOFF - ZUYEFF, town, Russia,

XVIII. 54.

| ORYZA, genus of plants, XX. 538. ORYZORICTINE, subfamily of insectivorous mammals, XV. 405.

OSACCA (Ozaka), town, Japan, XVIII. 111; XIII. 578.

OSAGES, American-Indian tribe, XII. 832.

OSAKA, town, Japan, XVIII. 111; XIII. 578.

OSAMARE, station on the Niger, Africa, XVII. 498.

OSBORN, Sherard, English admiral and explorer, XVIII. 54.

OSBORNE, Captain Henry, governor of Newfoundland, XVII. 386.

HOUSE, royal residence, Isle of Wight, England, VI. 532.

ORSK, town, Russia, XVIII. 52.

XX. 87. ORNITHORHYNCHIDE, family of monotreme mammals, XV. 371, 377. ORNITHORHYNCHUS, genus of monotreme mammals, XV. 371, 377; XIX. 213.

ORNITHOSAURIA, order of extinct reptiles, XX. 87, 443.

ORNITHOSCELIDA, class of fossil reptiles, XX. 443. OROBANCHEÆ, parasitic plants, XVIII. 265.

OROBII, Rhætian people, XX. 505. ORODES I., Parthian king, XVIII. 596.

II., Parthian king, XVIII. 600. OROKS, people, Saghalin, Asia, XXI. 147.

XX. 659.

ORTELIUS, or Ortell, Abraham, Flemish geographer, XVIII. 52.

XIII. 445; Oscan dialect, xx. 661. OSCAR I., king of Sweden, XXII. 752.

II., of Sweden, XXII. 753. OSCILLATION, of parachutes, 1. 201; in ships, XXI. 813; tidal, XXIII. 359. OSCINES, group of birds, XVIII. 47.

32.

ORTHAGORISCUS, genus of fishes, XVII. 777; XXII. 658.

ORTHEZ, town, France, XX. 127. ORTHITE, mineral, XVI. 409, 410. ORTHOCLASE, mineral, XI. 48; XVI. 419.

OSGOODE HALL, Toronto, Canada, XXIII. 448.

OSHBUNA, Moslem name of Lisbon, XIV. 693.

island, Lew-Chew group, XIII. 569; XIV. 490.

OSHKOSH, town, Wisconsin, U.S.A., XVIII. 55; population, XXIV. 617. OSHMIANY, town, Russia, XXIV. 234.

II. 543.

ORON, lake, Siberia, XXII. 5.

sites, XVIII. 259. ORTHONYX, genus of birds, XVIII. 52.

ORTHOPTERA, order of insects, XIII. 152.

of, II. 131.

satrap of Mysia, XVIII. 579, 580. OROPUS, ancient town, Greece, XVIII. 50; III. 60. OROSIUS, Paulus, Spanish writer, XVIII. 50; King Alfred's translation of his Histories, XIX. 316.

OROS STAVRO, mountain, Cyprus, vi. 747.

OROTAVA, town, Teneriffe, Canaries, IV. 799.

OROTIÑAN, language, Nicaragua, XVII. 479.

O'ROURKS, family, Leitrim, Ireland,

XIV. 433.

ORPHAN LECTURES, Andrewes's, II. 21. ORPHAN OF CHAOU, Chinese drama, v. 666.

ORPHAT (Arafat), mountain, Arabia, II.

300.

ORPHEUS, of Greek legend, XVIII. 51. AND EURIDICE, Gluck's opera, X. 694.

ORTHORHAPHA, group of insects, VII. 256.

Lukas, German ecclesiastic, XVIII.

XVIII. 55; his theological views, XV. 85.

55.

OSIER, willow, XXIV. 589.

OSIRIS (Apis), Egyptian divinity, 11. 173; VII. 714, 716; XVII. 151; XXI. 674.

ORTHOTOMUS, genus of birds, XXIV.

367. ORTHOTROPIC ORGANS, in plants, XIX. 61.

ORTI ESPERIDI, Metastasio's poem, XVI. 104.

ORTIS, Jacopo, Foscolo's Letters of, IX. 471.

ORTOLAN, bird, XVIII. 53. ORTYGIA (Syracuse), island, Sicily, XXII. 813.

ORTYX, genus of birds, XX. 147. ORTYXELUS, genus of birds, XX. 147. ORVIETO, town, Italy, XVIII. 53. ORWELL, river, England, XXII. 621. ORYCTEROPODIDE, family of edentate mammals, xv. 388.