New-England Farmer Volume 24

New-England Farmer Volume 24

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1846 edition. Excerpt: ...The facts upon which.l shall more particularly dwell, were-observed in South America; but I shall show that what is true with regard to this continent, is true with reference to any other connnenn One of the most interesting portions of Venezuela is, undoubtedly, the valley d'Aragua. The rivers which rise in its interior, have no outlet to the 'ocean: their waters accumulate in the lowest partdf the valley, and form the beautiful lake Valentin. This lake is raised about 1300 feet above the level of the sea, and is about ten leagues in length, and about two leagues and a half where it is widest. At the time when M. de Humboldt visited the Aragua valley, the inhabitants were struck with the gradual diminution which had been going on in the waters of the lake, during the last thirty years. It was enough to compare the statements of older writers with its contlition at this time, to obtain conviction that the waters had, in fact, very much diminished. The appearance of the surface gives proof of the fact of the recession of the water; certain hillocks which rise in the plain still preserve the title of islands, which, undoubtedly, they formerly were. M. de Humboldt, after the most careful consideration of all the circumstances, did not hesitate to ascribe the ditninution of the waters of the lake Valencia to the extensive clearings which had been effected in' the course of half a century in the Aragua valley. " In felling the trees which cover the crowns, and slopes of incurrtains," says this celebrated traveller, " men in all climates seem to be bringing upon future generations two calamities at once---a want of fuel and a scarcity of water." ' " Twentyfive years after M. de Humboldt, lexplored, ...
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Product details

  • Paperback | 612 pages
  • 189 x 246 x 31mm | 1,075g
  • United States
  • English
  • black & white illustrations
  • 1236823389
  • 9781236823380