Physical geography. By Mary Somerville ...

54. 6!1- PH YSICAL GEO G ItAPH Y
-Magilntic intensity, force of, 312. Mletals, list of, 171, note; diffusion of,
i:'~" variation of declination, 314. 177'; —'-~ needle, hourly variation of, Metalliferous deposits, 173-175; di.: 31i4. i"' rection of, 173; peculiar to particu-'~i - storms, 315. lar rocks, 174.
1~ —---- force, lines of equal, 315, Metalloids, list of, 171, note.
316. Mexico, table-land and mountains,
Maganolias, region of, 365. 121, 122; dimensions, 121; city of,
Maize, or Indian corn, origin and cul- ib.; volcanoes, ib.; Blarancas, 122;
ture of, 368, 379. vegetation, ib.; flora,t 367.
Malabar, extent and height of its Midas, a genus of monkeys, 463.
mountains, 181. MIiddendorf, M. 32, 68, note.
Malaguti, M., 200, note. Millet, its cultivation, 379.
^Malayan races of man, 472. Mindanao, population of, 472.
Maldive Archipelago, its dimensions, Mines, mode of opening, 174, 175;
147; size of its atolls, ib. drainage, 175; ventilation, 176;
/Mdalurus, 437. access, ib.; depth, ib.
Mamnmalia, division into groups, 447, Mineral produce of Europe, value of,
448; geographical distribution, 449; in 1829, 192, note; proportion furnigration of, ib.; instinct of, ib. nished by England, ib.
Man, division into races, 471; his in- - veins, parallelism of, 44, 45;
fluence on the material world, 486. filling of, 172; richest near the surManasa, or Manasarowar, lakes of, face, 173, note.
69, 262, 453. Miocene period, the globe and its inManatus, or lamantin, 413. habitants during, 30.
Mlanchouria, 79, 342. Mirage, 302; [cause of, 301.]
Manfiedi on the rate of'rise in the bed Mississippi, valley of the, its area,
of the ocean, 34. 124; table-land, ib.; general chaMango, a fruit, 348. racter, ib.; southern desert, 125;
Maanis, 460. marshes, ib.; the Grand Saline, ib.;
Mankind, numbers of, 470. prairies, ib. forests, 126; new
Mdarabous crane or stork, 438. states, ib.; principal lakes, ib.
Marine animals in general, 405, 406. Mitchell, Mr., 20; on the causes of
~ — mammalia, classification of, earthquakes, quoted, 157.
412. Mongol Tartar races, 472.
- vegetation, 382. Mongolia, its situation, 61; little
Marriages, average number of, annu- known, 70.
ally, 489. Monitor, genus of reptiles, 424; fosMarsupial or pouched quadrupeds, sil, ib.
448, 468. M/onkeys, American, 463; African,
Martineau, iss, her Journey to 459.
Egypt and Syria' quoted, 83, 84. Monocotyledonous plants, 327; aqua[Matto Grosso, province of, 106.] tic, 332, note.
Mllaury, Lieut., 136, zote; 2S1, note. Monsoons, 281.
Medierrlanean Sea, volcanos of, 154; Mont Blanc, its height, 51; quantity
its area, 218; comparative tempe- of ice on, 53.
rature, 219, snote; sources of supply, Moon, the, its influence on, and disib.; depth, ib.; tides and currents, tance from, the earth, 16; its per219, 220; bed, ib.; coasts, ib.; its turbations show the compression
influence on European civilization, at the poles, ib.; inequality in its
484. motions produced by matter at the
Mekram, desert of, 82. earth's equator, 18, note.
Mendoza, a province of South Ane- Moorcroft, Mr., 337.
rica, 464. M oose-deer, or elk, 461o
Mlenopoma, genus of reptiles, 419. MVoraines, 53.
Menura, or lyre-bird, 444. Mosasauruls,'42, note,
riidtian, terrestrial, 17; arcs of, osco, e it of, 74.
mleasi red by rA. Bessel, il.; lcngth los-quito, the, 400.
oi a degoree of, ib.; lleasuiremlCllent of iounttins, forms of, 42; their declian art alt Q.uito, 99. vilt, 43; contemnporaneous upheaval
erim-aid, 413 of parallel mountain-chlains, 44-46;