ATJEirEllOrs SOILS. 
stream-works of gold. More than 
of this tie seventy-eight thousand marks (52,000Z.) 
■A-meri 'which at the beginning of the 19th century 
cotop supplied the commerce -of Europe, have 
the ail 1 ^°tty Cordilleras of the Andes, but from 
These ^*®'is_ on the east and west of the Cordilleras, 
those raised but little above the level of the sea, like 
New r Alesico, and of Choco and Barbacoas in 
the > or they stretch along in table-lands, as in 
heposiH^”^ Brazil.* Is it not probable that some other 
hemisriL°^* auriferous earth extend toward the northern 
the IQ the banks of the Upper Orinoco and 
that of +L rivers which form but one basin with 
Dorado -^rnazon? I observed, when speaking of El 
*^linost 11 the Omaguas, and the Iquiare, that 
gold io rivers which flow from the west wash down 
Doxa t andverv'^far from the Cordilleras. From 
of traeL ■: these Cordilleras are composed alternately 
hoaroT. primitive rocks. The plains of Emnora, of 
Napo Alacas (Sevilla del Oro), the great Eio 
the T. ” • * tributary streamst (the Ansupi and the Coca, 
the niouth'^*^^\*^^ Quixos), the Caqueta de Mocoa as far as 
between T Fragua, in tine, all the country comprised 
their an ■ Bracamoros and the Guaviare,} preserve 
oast celebrity for metallic wealth. Alore to the 
hfaunp, sources of the Guainia (Eio Negro), the 
I' ) tne Iquiare, and the Yurubesh, we find a soil in- 
^ The h * 
great table Rica is six hundred and thirty toises ; but the 
toifiet. . * '^nu of the Capitania de Miflas Geraes is only three hundred 
einiar profile which Colonel d’Eschwege lias published 
fte MevC.’ ’'J’'!' indication of the rochs 
‘exican table-land. 
~ ihe little r-- 
in imitation of my profile of 
form the Co * 1 ''®*'® Cosanga, Qui.\os, and Papallacta or Maspa, which 
tti® Ansuoi*^L’ eastern slope of the Nevada de Aniimna. The 
^®Po, south of ”0* down the largest grains of gold : it flows into the 
t*een the Misa ir ■^•'“'^‘dona, above the mouth of the Misagualli. Be- 
“orthern triln i"^® Coca, in the province of Avila, five other 
*aracu, and Pn of the Napo (the Siguna, Munino, Suno, Gua- 
details are tal.^°” r i'nown as being singularly auriferous. These local 
Quixos, from u” .1 several manuscript reports of the Governor 0/ 
» From R-” "e * . ^''“®®d the map of the countries east of the Antisana. 
Lianna hsotiago, a tributary stream of the Upper Maraion, to 
®®s of Caguan and of San Juan. 
F 2 
