Page:Encyclopædia Britannica, Ninth Edition, v. 25.djvu/376

362

P U Y Q U M

Puv DE SANCY, mountain, France, xx.

119. PUYNIPET, island, Caroline group,

Pacific, v. 126. PUYSEGUR, Marquis de, mesmerist, xv.

278.

PYAEMIA, disease, xvm. 401; xxn. 678. PYATIGORSK, town, Caucasus, Kussia,

xx. 120.

PYCNIDES, organs in lichens, xiv. 555. PYCNIDIA, in plant development, xx.

424.

PYCNITE, mineral, xvi. 408. PYCNODONTOIDEI, suborder of fishes,

xii. 687. PYCNOGONUM, genus of Arachnida, n.

277.

PYCNOTROP, mineral, xvi. 414. PYDNA, town, Macedonia, xv. 137; battle

of (168), xvm. 435. PYGMALION, of Greek legend, xx. 120;

xvm. 807. PYGMIES, xx. 120. PYGOBRANCHIA, suborder of Mollusca,

xvi. 655.

PYGOPODES, group of birds, xvin. 45. PYUE CILICLE, pass, Asia Minor, n.

705. PYL^EMENES, rulers of Paphlagoiiia,

xvm. 227.

PYLAS, king of Tyre, xvm. 808. PYLORUS, outlet of the stomach, vn.

224; stricture of, XXII. 575. PYLUS, town, Messenia, Greece, xvi. 53. PYM, John, English politician, XX. 120;

v. 405. PYNCHON, William, early American

colonizer, XXII. 433. PYPELINCX, Maria, mother of Eubens,

xxi. 41.

PYRALLOLITE, mineral, xvi. 415. PYRAMID, PYRAMIDS, Egyptian, xx.

122; v. 582; vii. 732, 771; age of, vii.

732; architecture of , II. 385; of Central

America, xvi. 214; xxiv. 759.

, in geometry, XVI. 23; Xix. 803.

PYRAMIDAL SYSTEM, of crystals, xvi.

357- PYRAMID LAKE, Nevada, U.S.A., xvn.

367-

PYRAMIDS, game, in. 676. , Battle of the (1798), Egypt, VII.

759. See Pyramid. PYRAMUS, river, Asia Minor, n. 708; v.

777-

. PYRANGA, genus of birds, xxm. 45. PYRARGILLITE, mineral, xvi. 418. PYRARGYRITE, mineral, xvi. 394; xxn.

69. PYRENEES, mountains, Europe, xx. 124;

IX. 505; treaty of the (1659), IX. 573;

xxn. ^332. PYRENEES, three departments (Basses,

Hautes, Orientales), France, XX. 126. PYRENOMYCETES, suborder of Fungi,

IX. 834; XXIV. 127; parasitic forms,

xvm. 267; as vine pests, xxiv. 240.

PYRETHRUM, garden plant, xn. 259. PYRGI, seaport, Etruria, vin. 635. PYRGOS, near Constantinople, Aqueduct

of, II. 221.

PYRGOTELES, Greek gem-engraver, x.

139-

PYRHELIOMETER, radiation thermo meter, xxm. 291. PYRIPHLEGETHON, legendary river,

xxii. 614. PYRITES, metallic sulphides, xx. 128;

copper, VI. 347; of flue-dust, XXIII.

219; iron, xin. 280, 288; xv. 532;

xvi. 390, 391, 393; xx. 128; niccolo-

cobaltic, xvn. 487. PYRMONT, principality, Germany, xxiv.

321. , Bad, spa, Germany, xvi. 434;

xxiv. 321.

PYROAURITE, mineral, xvi. 388.

PYROCATECHUIC ACID, xiv. 91.

PYROCHLORE, mineral, xvi. 426.

PYROCHROITE, mineral, xvi. 388.

PYRO-ELECTRICITY, vni. 8, 99; xix. 313; in minerals, xvi. 376; Haiiy s contributions to, XL 523.

PYROLUSITE, mineral, xv. 479; xvi. 387.

PYROMETER, for measuring high tem peratures, XX. 129; in iron smelting, XIII. 305; Deville s, XL 570.

PYROMORPHITE, mineral, xiv. 375; xvi. 407; xvni. 818.

PYROPE, mineral, xvi. 411.

PYROPHYLLITE, mineral, xvi. 424.

PYROPHYSALITE, mineral, xvi. 408.

PYROPISSITE, mineral, xvi. 429; xvni.

243-

PYRORETINITE, mineral, xvi. 428. PYRORTHITE, mineral, xvi. 410. PYROSCLERITE, mineral, xvi. 414. PYROSILVER, silvered steel, xui. 357. PYROSMALITE, mineral, xvi. 413. PYROSOMA, ascidian, xxm. 609, 618;

phosphorescence of, XVIII. 814. PYROSTILPNITE, mineral, xvi. 396. PYROTECHNY, xx. 134. PYROXENE, mineral, xvi. 416. PYROXILIN, or Gun-Cotton, XL 277. PYROXYLINE EXPLOSIVES, xxi. 835. PYRRHA, town, Lesbos, Asia Minor, xiv.

474-

PYRRHITE, mineral, xvi. 426. PYRRHO, Greek sceptic, xxi. 379. PYRRHOCORAX, genus of birds, vi. 618. PYRRHONISM, philosophical system,

XXI. 379; of Pascal, xvni. 336. PYRRHOTITE, mineral, xvi. 391. PYRRHULAUDA, genus of birds, xiv. 316. PYRRHUS, king of Epirus, xx. 136; his

war with the Romans, XX. 743; his

invasion of Sicily, xxii. 20. PYRULA, genus of Mollusca, xvi. 650. PYRUS, genus of trees, II. 320; XVIII.

445; xx. 182.

PYTHAGORAS, Greek sculptor, n. 351. , Ionian philosopher, XX. 137; on

astronomy, n. 746; on transmigration

of souls, xvi. 106; his system of

music, xvn. 78. PYTHAGORAS, Theorem of (Eucl. i. 47),

x. 379- PYTHAGOREANISM, xx. 138; vm. 575;

in relation to Orphism, xvm. 51;

Philo s, XVIIL 760; Philolaus s, xvm.

764. PYTHAGOREAN TRIANGLES, Tables of,

xxm. 14.

PYTHEAS of Massilia, Greek navi gator, xx. 142; on astronomy, II.

748 ; on Thule, xxm. 328 ; Strabo

on, XXII. 582.

PYTHIA, Greek prophetess, xvn. 808. PYTHIAN GAMES, Greece, x. 65. PYTHIAS, friend of Damon, vi. 795. PYTHIUM, sanctuary of Apollo, at

Athens, ill. 2. PYTHMEN, in Greek arithmetic, xvn.

626. PYTHON, snake, xx. 144, 449, 451;

xxii. 195. PYTHONID.-E, family of snakes, xxn.

193, 195- PYX, Trial of the, I. 176; II. 725; xvi.

483- PYXIS, ancient toilet-casket, xix. 614.

Qthe seventeenth letter of the alpha- bet, xx. 145.

QAT, Melanesian deity, xvn. 148.

QINBIL (Kamala), drug, Xin. 831.

QUADRAGESIMA SUNDAY, xiv. 446.

QUADRANT, optical instrument, xvn. 254, 258, 268; xiv. 586; earliest form of, x. 187; graduation of, XL 28.

QUADRATORUM LlBER, Leonardo of Pisa s work, xix. 125.

QUADRATURE OF THE CIRCLE, xxn.

433- QUADRATURE OF CURVES, Wallis on,

xxiv. 332.

QUADRATURE OF SURFACES, xin. 55. QUADRIC SURFACES, in geometry, x.

405; xxn. 670. QUADRIGARIUS, Q. Claudius, Roman

historian, xiv. 729. QUADRILATERAL, four Italian fortresses,

xx. 145. QUADRILATERALS, Mensuration of, xvi.

15-

QUADRIREME, ancient Greek ship, XXI.

806. QUADRIVIUM, mediaeval course of study,

xx. 515. QUADRUMANA, group of Mammalia, XV.

444; II. 148; of South America, I.

681.

QUADRUPEDS, xv. 347. QUADRUPLE ALLIANCE (1718), i. 450;

ix. 584. QUADRUPLEX TELEGRAPHY, xxm.

123. QUAESTOR, Roman magistrate, xx. 145,