8 



remarked, that, in the walls at Callo, the inter- 

 stices between the outer and inner stones are 

 filled with small pebbles cemented with clay. 

 I did not observe this circumstance ; but I have 

 represented it in the 23d plate, from a sketch of 

 Mr. Larea's. We see no vestige of floor, or 

 roof ; but we may suppose, that the latter was 

 of wood. We are also ignorant, whether the edi- 

 fice had originally more than a single story, or 

 not ; as the height of its walls has been diminish- 

 ed no less by the avidity of the neighbouring- 

 peasantry, who take away the stones for their 

 own use, than by the earthquakes, to which this 

 unfortunate country is continually exposed. 



It is probable, that the edifices, which I have 

 heard called at Peru, Quito, and as far as the 

 banks of the river of Amazons, by the name of 

 Inga-Pilca, or buildings of the Inca, do not date 

 farther back than the 13th century. Those of 

 Vinaque and Tiahuanaco were constructed at a 

 remoter period ; as were the walls of unbaked 

 bricks, which owe their origin to the ancient in- 

 habitants of Quito, the Purnays, governed by 

 the conchocando, or king of Lican, and by 

 guastays, or tributary princes. It were to be 

 wished, that some learned traveller could visit 

 the banks of the great lake of Titicaca, the pro- 

 vince of Collao, and more especially the elevated 

 plain of Tiahuanaco, which is the centre of an 

 ancient civilization in South America. On that 



