Southern amerika. Work gumboldta

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Following then Humboldt passes to a question on that, how much its own researches have moved forward acquaintance with the South American Andes:

' the Structure of Cordilleras... That is their division into the ridges a little bit almost parallel each other in turn connected with each other in mountain knots, is rather remarkable. The structure it is shown on our cards far imperfectly, and that guess which have only stated after long stay on plateau Kito La-Kondamin and Bug, has been misinterpreted and too generalised in the sense that all chain is constructed the same as its equatorial piece. Actually Andsky Cordilleras taken on all their extent... To the isthmus of Panama, places branch on a number more, or less parallel chains, places are dismembered by huge mountain knots. We distinguish such nine knots and respective number of points of a divergence and a branching '.

Humboldt's Work in particular tsenna its ability to analyze the opening and to co-ordinate the data obtained by it to results of other researches. It has given the further push to studying of the South America as well to that has paid attention of scientists to a rich geographical material which it can give, and on its many not investigated areas.

During half a century after Humboldt travellers across the South America were almost entirely inspired by one scientific interests. It is visible first of all on an example of expeditions to Brazil, made between 1810 and 1812 Large researches have been made by travellers in area to the east from 50 ° z. d.: Eshvege (1811-1814), prince Maksimilian the Kind-nejvid (1815-1817), Ogjust de Sent-Iler (1816-1822), the background-salted pork fat and a background-martsius (1817-1820), pol and Natterer (1817-1821) . Natterer has got and for 50 ° z. d., has crossed Matto-Grosso between upper courses Araguaya and Guapore and has gone down downwards on last and across Madiera to Amazon. pol has gone down on the river Tocantins below Carolina. Besides, Natterer and pol together travelled by internal parts of present states Minas-Zherais and Gojas. Eshvege and the Kind-nejvid departed only on short distances from coast, but the Salted pork fat and Martsius have made the big travel and all have achieved larger results, than others. At first they have done a land a way from the Dignity-paulo to Baii, have then crossed northeast Brazil to Amazon. The most part of the areas visited by them was already known, but nevertheless their expedition has been connected with large achievements. They have done second half of work on