453 



fectly known ; it is observed only that their 

 lowering* is in general more rapid and complete 

 towards the N.W., on the side of the ancient 

 province of Biruquete * and Darien, than tow- 

 ards the N. and N. E., on the side of Zaragoza 

 and Simiti. From the northern bank of the Rio 

 Nare, near its confluence with the Samana, a 

 counter-fort stretches out, known by the name 

 of la Simitarra, and the mountains of San Lu-r 

 car. We shall call it the first branch of the 

 groupe of Antioquia. I saw it, in going up the 

 Rio Magdalena, on the west, from theRegidorand 

 the mouth of the Rio Simiti, as far as San Bar- 

 tolome (on the south of the mouth of the Rio 

 Sogamozo) ; while, towards the east, in 71° and 

 8?° of latitude, the counter-forts of the moun- 

 tains of Ocana \ appear in the distance ; they 

 are inhabited by some tribes of Molitone In- 

 dians. The second branch of the groupe of An- 

 tioquia (west of Samitarra) proceeds from the 

 mountains of Santa Rosa, stretches between 

 Zaragoza and Caceres, and terminates abruptly, 

 at the confluence of the Rio Nechi (lat. 8° 33% 

 at least if the hills, often conical J, between the 



* See vol. vi, p. 249, note. 



f The mountains of Ocana,, linked to the Sierra de Pe- 

 rija, branch from the eastern chain (that of Suma Paz) on 

 the N. W. of Pamplona. 



% 1 saw in sailing the Tettas of Cispata, Santero, Tolu, 

 and San Martin (lat. 9° 18'-9° 32'). 



