MorsTAXSS or cvzco. 
301 
Magellan to tlie parallel of tlie port of Anca (18 3o ), 
runs from south to north, in the direction of a meridiaii 
at most 5° N. E.- hut from the parallel of Anca, the coast 
and the two Corilleras east and west of the Alpine lake 
of Titicaca abruptly change their direction ^d incline to 
north-west. The Cordilleras of Ancimia aud Moquchua, and 
the lono-itudinal valley, or rather the basin ot Titicaca, which 
they inclose, take a direction N. 42° W. lurtberOT^^ 
two^ branches again unite in the group of the mountains ot 
(^nzeo Sthcnce their direction is N. 80° \V. This group of 
which the table-land inclines to the north-east forms a curve, 
learlyfroni east to west, so that the Glides nc^^th 
of Castrovireyna is thrown back more than 242,000 toises 
westward. This singular geological 
the variation of dip of the veins, and especially ot the two 
parts of the chain of the ^^yrenees, parallel to each 
linked by an almost rectangular elbow, 16,000 toises IoiIq, 
near the source of the Garonne ;* but in tlie Andes, the 
of the chain, south and north of the cuiwe, do not pro- 
e™ pSldL: 0« the ,,orth ot Costrov.r^o. jnd 
Andahiiavlas (lat. 14°), the direction is Is. 22 VV., wliiie 
,•1 nfi'i® it i« N 42° W The inflexions ot the ceast lol- 
ow ,eL sioio Voted froj. the Co.,,ille» 
CordilSa of the Anderis a pl^enomenon the more wor^ 
of attention, as it occurs in several parts ot t g 
wheie the mountains do not in the same manner orm 
After the great knot of mountains of Cuzco and Parinaco- 
eh» f. Wsootk lottale, the Ante 
bifurcation, on the east and west oi the Eio Jauja, whicti 
throws itself into the Mantaro, ^ tributary stream ^ th^^^ 
Aniirimac The eastern chain stretches on the ea.t oi 
nLiita, the convent of Oeopa and ^;®;5erf 
on the west of Castrovireyna, H^ancavelica, Huarocto^^^^^^ 
Tauli. The basin, or rather the lofty table-land winch is 
* Between the mountain of Tentenade and the Port d Espot 
