450 



800 to 900 toises of height, and sends consider- 

 able counter-forts (in 4i° — 5° of latitude) to- 

 wards the source of the Calirna, the Tamana, 

 and the Andagueda. The two former of these 

 auriferous rivers are tributary streams of the Rio 

 Rio San Juan del Choco ; the second empties 

 its waters into the Atrato. This widening of 

 the western chain forms the mountainous part 

 of Choco : here, between the Tado and Zi- 

 tara, called also Francisco de Quibdo, lies the 

 isthmus of Raspadura, become celebrated since 

 a monk traced on it a navigable line between 

 the two oceans fr. The culminant point of this 

 system of mountains appears to be the Peak of 

 Torra, situated on the south-east of Novita 



The northern extremity of this widening of 

 the Cordillera of Choco, which I have just de- 

 scribed, corresponds with the junction of the 

 same Cordillera towards the east, with the cen- 

 tral chain, that of Quindiu. The mountains of 

 Antioquia, on which we have the excellent obser- 

 vations of Mr. Restrepo^:, may be called a knot of 



* See above, Vol. vi, p. 260. 



f I am surprized that M. Pombo has compared the Torra 

 del Choco, which does not enter into the region of snows, 

 not even perhaps into that of the Paramos (see above, Vol. 

 v, p. 742), to the colossal mountains of Mexico. (Noticias 

 varias sobre las Quinas, 1814, p. 67.) 



% Semanario de Bogota, Tom. ii, p. 41 — 96. This me- 

 moir contains at the same time, the results of astronomical 

 observations, the measures made with the barometer, and 

 statistic statements on the productions and trade of this in- 



