GOVERNMENT OF BUENOS-A YllES. 403 



having first taken an oath not again to serve 

 against Buenos-Ayres. This oath, however, 

 was no sooner taken, than it was violated ; 

 Tristan and his soldiers proceeding to join 

 the royalist General Goyeneche, in Peru, as 

 if no engagement whatever had been con- 

 tracted. 



The government of Buenos-Ayres passed 

 through various hands, and was administer- 

 ed in different forms, but the general ten- 

 dency of its measures remained the same. 

 Goyeneche was succeeded in the command 

 of the royalist army of Peru by Pezuela, 

 who marched to meet the patriots ; Belgra- 

 no retreated to Ayuma, to the north of Chu- 

 quisaca, where he was totally defeated at 

 the end of November 1813. The royalists 

 thus again became possessed of Alta Peru, 

 and also of Tarija, and Salta. San Martin 

 was appointed to succeed Belgrano ; and in 

 consequence of his forming a new army, and 

 setting in motion several corps of Guerillas, 

 2 D 2 



