Advanced Text-book of Physical GeographyW. Blackwood and sons, 1864 - 320 páginas |
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Página 16
... periods of drought and periods of rainfall , of plants that love the marsh and others that thrive only in the thirsty upland ; and by noting such distinctions , and the causes concerned in their production , the mind by such training ...
... periods of drought and periods of rainfall , of plants that love the marsh and others that thrive only in the thirsty upland ; and by noting such distinctions , and the causes concerned in their production , the mind by such training ...
Página 19
... period of revolution we desig- nate a year . Besides this annual revolution round the sun , the earth rotates or turns on its own axis in 24 hours , or , more exactly , in 23 hours , 56 minutes , and 4 seconds and this period of ...
... period of revolution we desig- nate a year . Besides this annual revolution round the sun , the earth rotates or turns on its own axis in 24 hours , or , more exactly , in 23 hours , 56 minutes , and 4 seconds and this period of ...
Página 20
... periods . The subjoined table exhibits at a glance the names of the planets , their relative distances from the sun , the times of their revolutions and rotations , their velocities , and number of satellites : - Names and Order of ...
... periods . The subjoined table exhibits at a glance the names of the planets , their relative distances from the sun , the times of their revolutions and rotations , their velocities , and number of satellites : - Names and Order of ...
Página 31
... period of 24 hours , their rate of motion must be proportionally less . At the 60th parallel , for example , this motion is only 500 miles an hour , and at the absolute poles it ceases to exist . The mean density of the rocks known at ...
... period of 24 hours , their rate of motion must be proportionally less . At the 60th parallel , for example , this motion is only 500 miles an hour , and at the absolute poles it ceases to exist . The mean density of the rocks known at ...
Página 36
... period producing its own sedimentary deposits , and these deposits constituting what geologists term a formation , as having been formed at a certain period , and under the peculiar conditions of that period . Farther , as the sediments ...
... period producing its own sedimentary deposits , and these deposits constituting what geologists term a formation , as having been formed at a certain period , and under the peculiar conditions of that period . Farther , as the sediments ...
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Palavras e frases frequentes
Africa altitude Antarctic Antarctic Ocean Arctic Arctic Ocean Asia Atlantic atmosphere Australia basin Bolivia character characterised chiefly civilisation climate coast colder continent course Crown 8vo crust currents depth desert direction earth east eastern Edition elevation equator equatorial Europe extending Fcap feet flow geological globe gradually greater Gulf Gulf of Mexico Gulf Stream heat height hence Himalayas Indian Indian Ocean influence islands lakes land and water latitude less maize Mexico moisture mountains nature northern hemisphere numerous ocean Old World Pacific parallel peculiar phenomena Physical Geography plains plants and animals plateaux polar pole portion produced race rains range region ridges rise rivers rocks rocky season shores Siberia slopes snow snow-line soil South America southern Southern Ocean springs square miles strata streams summer table-land temperature term tides tion tracts trade-winds tropical valleys vapour velocity volcanic vols warmer winds winter
Passagens conhecidas
Página 36 - THERE rolls the deep where grew the tree. O earth, what changes hast thou seen ! There where the long street roars, hath been The stillness of the central sea. The hills are shadows, and they flow From form to form, and nothing stands ; They melt like mist, the solid lands, Like clouds they shape themselves and go. But in my spirit will I dwell, And dream my dream, and hold it true ; For tho...