Lecture Notes on Physical GeographySimpkin, Marshall & Company, 1873 - 91 pages |
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Africa Alps America AMPHIBIA animals ANNULOSA Antarctic Antarctic Circle aqueous vapour Arctic Ocean Arctic regions Asia Atlantic atmosphere Australia axis basin birds called carbonic acid Carnivora causes cavity Central centre circle climate Clouds coast cold containing cooled coral crust cultivated deposited distance district earth earthquakes elevation Equator Europe extinct feet flow formed gases glaciers heat height Himalayas hyæna hydrogen inches India Islands Java Kurile Islands lakes lammergeier land lava light limestone liquids MAMMALIA Mediterranean Metamorphic Rocks Mexico million square miles monsoon motion mountains nitrogen numerous ocean Old World oxygen Parrots particles PISCES plains plants plateaux Poles pressure rain rainfall range reef REPTILIA rivers rocks round Sahara salt Siberia slope snow soil species springs square miles stomata sub-kingdom surface table-land temperate zone temperature trade wind Tropic of Cancer Tropic of Capricorn tube valleys vegetation Vertebrata volcanoes warm دو وو
Popular passages
Page 39 - ... different from that of ordinary air. Instead of containing 1 volume of oxygen to 4 volumes of nitrogen, it will contain 1 volume of oxygen to 1.87 volumes of nitrogen. The relative quantity of the oxygen is much larger in air which has been dissolved in water than it is in ordinary air. This is due to the fact that oxygen is more soluble in water than nitrogen is. In order, however, that one gas may dissolve more than the other, it is necessary that they should not be in chemical combination.
Page 3 - Now mark the answer to this question, for it contains the whole doctrine of the seasons THE AXIS OF THE EARTH IS INCLINED TO THE PLANE OF ITS ORBIT ; AND IT MOVES ROUND THE SUN IN A DIRECTION PARALLEL TO ITSELF.
Page 4 - TEMPERATE ZONE, an old geographical term for the areas between the Tropic of Cancer and the Arctic Circle and between the Tropic of Capricorn and the Antarctic Circle. More meaningful temperature zones are defined on maps by isotherms or by climatic types.
Page 28 - Precession of the Equinoxes from Observation. 129. The sun returning to the equinox every year before it returns to the same point in the heavens, shows that the equinoctial points have a retrograde motion, and this arises from the motion of the equator, which is caused by the attraction of the sun and moon upon the earth, in consequence of its spheroidical figure. The effect of this is, that the longitude of the stars must constantly increase; and, by comparing the longitude of the same stars at...
Page 3 - ... the North Pole will be turned towards the sun, and the South Pole away from it, and six months later the opposite will be the case.
Page 27 - SE of Newfoundland, where it is about 30,000 feet. The average depth of the ocean seems to be greater than the mean height of the land.
Page 13 - ... 390 the continents rise gradually from the sea shores towards the interior, to a line of highest elevation. This line of greatest elevation is not placed midway between the sea shores, but runs nearer to one than to the other; hence there are two slopes, unequal in length and inclination. In the Old World the long slopes are towards the north, and short slopes towards the south. In the New World the long slopes are towards the east, and the short slopes towards the west. 402. In this line of...
Page 42 - ... the Scandinavian and Spanish peninsulas the principle holds good that elevated situations are colder than low-lying ones in proportion to their height. The seas which run so deeply into the continent equalise the temperature of the coasts. Water heats and cools more slowly than land does ; therefore in summer the sea is cooler, and in winter warmer, than the land it bathes. In...
Page 2 - What is the difference between a confluent and an affluent ? CHAPTEE III. THE earth moves round the sun in a great circle, called its ORBIT, once in the year. The earth turns round from WEST to EAST once in twenty-four hours, that is, in a day and night. One end of the Axis, or line round which the earth turns, points to the NORTH POLE, the other to the SOUTH POLE. The NORTH, SOUTH, EAST, and WEST, are called points of the compass, because...
Page 1 - To represent it, a globe 6 feet in diameter, wonld need to be flattened less than a quarter of an inch on each side.