GEOGRAPHY
I. THE EARTH AS A WHOLE:
1. THE SHAPE OF THE EARTH: 573; 745; 730; 451.
a. Proofs that it is spherical: 573; 127.
2. THE SIZE OF THE EARTH:
a. Length of circumference and diameters: 573.
3. MOTIONS OF THE EARTH:
a. Rotation: 573; 451; 279; 730.
(1) What is meant by poles and axis: 573; 1516.
(2) The Pole Star and the Big Dipper: 1516; 186.
(3) Cause of daylight and darkness: 573; 1848.
(4) Longitude and Time. The Meridian of Greenwich: 1204; 807;
1114; 1913.
b. Revolution:
(1) The Earth's orbit: 574; 451; 1000; 1344; 127; 796.
(2) The angle of inclination: 573; 1544; 2133.
(3) The cause of the seasons of the year: 574; 1715.
4. THE CONTINENTS AND THE OCEANS:
a. Relative location and areas: No. America 58; So. America 61; Africa 22;
Asia 119; Australia 142; Europe 632.
b. The oceans: Atlantic, 132; Pacific, 1407; Indian, 921; Arctic, 94; Antarctic, 77.
c. The movements of the water of the oceans:
(1) Ocean currents —causes: 1369; 813; 1017.
(2) Tides —causes: 1910; 1259. (9) Waves —causes: 2058.
5. MEANS BY WHICH THE EARTH'S SURFACE IS CHANGED:
a. Work of volcanic forces:
(1) Geysers, hot springs, volcanoes, earthquakes: 762; 2027; 1805;
574.
(2) Rising and sinking of land: 2028; 749; 1483.
b. Work of the atmosphere:
(1) The changes of the atmosphere: 33; 1931' 2094; 1833; 750.
(2) How it makes soil: 1778.
(3) The winds: 2094; Trade, 1931; monsoon, 1253; simoom, 1759;
cyclone, 492.
c. Work of running water:
(1) How it wears away the earth's surface: 747; 2051; 100.
(2) How it carries earthy material and deposits sediment: 518;
1240; 590; 2122; 53.
(3) The general effect of running water: 2051.
d. Work of the glaciers:
(1) How they wear away the land: 770; 1206; 365.
(2) How they make deposits of rock and soil: 553; Soils, 1778.
(3) Which part of the Earth has been most affected: 750.
6. DISTRIBUTION OF PLANTS AND ANIMALS ON THE EARTH:
a. Plants:
(1) Vegetation regions: Africa, 23; America, 59; Central America,
60; South America, 61; Asia, 119; Austria, 145; Europe, 633; France, 705; German Empire, 756; Mexico, 1215; Italy, 947; Spain, 1788.
(2) Control by moisture, soil, heat, latitude and altitude: Iceland,
911; Soils, 1778; Agave, 25; Crops, 29; Australia 142.
(3) How plants are adapted to conditions in which they live: 1501.
(4) The great deserts, grasslands and forests of the world: Af-
rica, 22; Gobi, 776; Sahara, 1654; Mohave, 1247; Australia, 142; Pampas, 1415; Tibet, 1909; Texas, 1895; Central America, 60; S'o. America, 61; Black Forest, 222; Forest Reserves, 693; Russia, 1646; Mexico, 1214.
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