edifices, of which we now find the ruins from 

 the province of Caxamarca, the southern limit 

 of the ancient kingdom of Quito, as far as the 

 mountains of Los Pastos. Among these edifices 

 one of the most celebrated, and the best pre- 

 served, is that of Callo, or Caio, described by 

 La Condamine, Don Jorge Juan, and Ulloa, 

 in their travels to Peru. The descriptions of 

 those travellers are very imperfect ; and the 

 drawing of the house of the Inca, made by Ul- 

 loa, is so unlike the plan on which it was really 

 constructed, that we are almost tempted to think 

 it is merely imaginary. 



In the month of April, 1802, in an excursion 

 to the volcano of Cotopaxi, M. Bonpland and 

 myself visited these slight remains of Peruvian 

 architecture, and I sketched the edifice represent- 

 ed in the 24th plate. On my return to Quito, I 

 showed my sketches, and the plate contained in 

 Ulloa's Travels, to some very old monks of the 

 order of St. Augustin. No person was better 

 acquainted than themselves with the ruins of 

 Callo, which were situate on ground belonging 

 to their convent; they formerly inhabited a 

 country house in the neighbourhood ; and they 

 assured me, that since 1750, and even before 

 that period, the Inca's house was always in the 

 same state as at present. It is probable, that 

 Ulloa wished to represent a monument repaired ; 

 and that he imagined the existence of inside 



