ClIAP. VI. 



COLLECTING PLANTS IN BOLIVIA. 



107 



some interesting ruins, and of collecting information respect- 

 ing the Indian population of Peru, especially with regard to 

 the great insm^rections of Tupac Amaru and Pumacagua in 

 1780 and 1815. Much of this information is quite new ; and 

 I, therefore, trust that a description of ancient ruins near 

 Puno, and an account of some of the most stirring events 

 connected with the Indians since the Spanish conquest, may 

 prove of sufficient^ general interest to justify a halt on the 

 road to the chinchona forests, and a brief digression from the 

 principal subject of the present work. 



BALSA ON LAKE TITICACA. 



See page 95 



