 | Alexander von Humboldt, Aimé Bonpland - 1819 - 602 페이지
...science," a subterranean issue must be admitted. By felling the trees, that cover the tops and the sides of mountains, men in every climate prepare at once two...generations ; the want of fuel, and a scarcity of water. Threes, by the nature of their perspiration, and the radiation from their leaves in a sky without clouds,... | |
 | Josiah Conder - 1830 - 360 페이지
...explain the successive diminution of the lake. By felling the trees that cover the tops and the sides of mountains, men in every climate prepare at once two...the want of fuel, and a scarcity of water. Trees, hy the nature of their respiration, and the radiation from their leaves in a sky without clouds, surround... | |
 | 1831 - 660 페이지
...Emigrntors. — By felling the trees that cover the tops and sides of the mountains, (says de ilumboldt,) men in every climate prepare at once two calamities for future generations, — the want of fuel and the scarcity of water. Euler. — This celebrated mathematician, before his death, expressed a wish... | |
 | 1850 - 874 페이지
...of Ilumboldt to enforce this view : — " By felling the trees that cover the tops and the sides of mountains, men in every climate prepare at once two...; trees, by the nature of their perspiration, and radiation from their leaves in a sky without clouds, surround themselves with an atmosphere constantly... | |
 | Robert Montgomery Martin - 1834 - 570 페이지
...the West Indies but in every country, more especially in a tropical climate. ' By felling the trees that cover the tops and sides of the mountains, men...calamities for future generations, the want of fuel and the scarcity of water. Where forests are destroyed, as they are every •where in America by the European... | |
 | Robert Montgomery Martin - 1837 - 376 페이지
...the West Indies, but in every country, more especially in a tropical climate. ' By felling the trees that cover the tops and sides of the mountains, men...calamities for future generations, the want of fuel and the scarcity of water. Where forests are destroyed, as they are every where in America by the European... | |
 | Bombay Geographical Society - 1850 - 502 페이지
...formerly abounded where now there is none. 'By felling the trees,' says Humboldt, as quoted by rialfour, ' that cover the tops and sides of the mountains, men in every climate preparo at onco two calamities for future generations ; the want of fuel, and a scarcity of water.... | |
 | American Institute of the City of New York - 1854 - 584 페이지
...Humboldt that men, in every climate, by felling the trees that cover the tops and sides of mountains, prepare at once two calamities for future generations, the want of fuel and water. Trees, by the nature of their perspiration and the radiation from their leaves in a sky without... | |
 | 1856 - 626 페이지
...complete investigation than it has yet received. By felling trees which cover the tops and sides of mountains, men in every climate prepare at once' two...calamities for future generations — the want of fuel and the scarcity of water." These facts seem to demonstrate that trees on elevated situations have a greater... | |
 | 1856 - 594 페이지
...complete investigation than it has yet received. By felling trees which cover the tops and sides of mountains, men in every climate prepare at once two calamities for future generations—the want of fuel and the scarcity of water." These facts seem to demonstrate that trees... | |
| |
By felling the trees that cover the tops and the sides of mountains, men in every climate prepare at once two calamities for future generations, the want of fuel and scarcity of water. 
