TOPOGRAPHY OF BOLIVIA. 



385 



the sword. Sorata still does an active trade with the mining region of Tipuani, 

 the " Gold Potosi," which yielded £2,000,000 between the years 1818 and 1868. 



Coroico, lying on a fertile terrace farther north, an " earthly paradise " of 

 banana and orange groves, is the chief centre of the coca and other plantations 

 of the Yungas region. The botanist Joseph de Jussieu, who resided at Coroico in 



Fig. 145. — La Paz — Paxace of Congtîess. 





1740, studied the properties of the coca plant, which he was the iirst to introduce 

 into Europe. 



COCHAIJAMBA SaNTA CrUZ. 



Coehahamha, the " Plain of the Lake," so named from the now dry lacustrine 

 depression where it stands at a height of 8,300 feet, is scarcely inferior to La Paz 

 as a centre of population, despite its unfavourable position for trade in the rugged 

 26 



