. The earth and its inhabitants ... e Ancas-yacu, Blue Water, which first flows north-westwards, and then, underthe name of Acobamba, or Rio Jauja, descends south-east parallel with theAndean axis. Beyond a narrow gorge, excavated in the thickness of the plateau, 294 SOUTH AMERICA—THE ANDES EEGIONS. it reverses its course as far as another fissure, through which it pierces the easternrange east of Huancayo. Beyond the mountains the Acobamba takes the name of Mantaro, and atPisquitini joins the right bank of the Apuriraac, the Boisterous, which alsoflows in a longitudinal valley parallel with t
. The earth and its inhabitants ... e Ancas-yacu, Blue Water, which first flows north-westwards, and then, underthe name of Acobamba, or Rio Jauja, descends south-east parallel with theAndean axis. Beyond a narrow gorge, excavated in the thickness of the plateau, 294 SOUTH AMERICA—THE ANDES EEGIONS. it reverses its course as far as another fissure, through which it pierces the easternrange east of Huancayo. Beyond the mountains the Acobamba takes the name of Mantaro, and atPisquitini joins the right bank of the Apuriraac, the Boisterous, which alsoflows in a longitudinal valley parallel with the Andean escarpments, and whichis joined by the Pampas and other tributaries descending in abrupt windings anddeep gorges between the mountains and plateaux. Below the confluence theunited waters of the Mantaro and Apurimac become the Ene or Eni, that is, Great Piver in the Campa language. On the plains the Ene is joined by the Perene, which, although only one of the Fig. 114.—Maeanon and Ucatali 1: 1,600, 74-° 10 J West oF Greenwich 75° lo- se Miles. secondary streams of the basin, is perhaps the most important from the economicpoint of view ; its valley forms a prolongation of the road between Lima and theplateau, while its lower course, navigable for a distance of eome 12 miles, offersthe shortest route to the Amazons. After its junction with the Perene the Enetakes the name of Tambo, which beyond a last spur of the mountains interminglesits waters with the Quillabamba to form the great Pio TJcayali. The Quillabamba, flowing in a line with the lower valley, may be regarded asthe main upper branch of the system. Its chief affluents, the Paucartambo andthe Urubamba, the latter rising at the Paya Pass, are also disposed in the HYDEOGEAPHY OF PEEU. 295 direction from south-east to north-west, enclosing right and left the CarabayaAndes and their prolongations. A well-marked parting-line between two perfectly distinct fluvial systems isindicated by the
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeography, bookyear18
