courier," "el correo que nada," as he is called in the country, is employed. This post messenger, who is usually a young Indian, swims in two days from Pomahuaca to Tomependa, first by the Rio de Chamaya (the name given to the lower part of the Rio de Guancabamba), and then by the Amazons. He carefully places the few letters entrusted to him in a large cotton handkerchief, which he winds round his head in the manner of a turban. When he comes to waterfalls he leaves the river, and makes a circuit through the woods. In order to lessen the fatigue of swimming for so long a time, he sometimes throws one arm round a piece of a very light kind of wood (Ceiba, Palo de balsa), of a tree belonging to the family of Bombaceæ. Sometimes also a friend goes with him to bear him company. The pair have no concern about provisions, as they are always sure of a hospitable reception in any of the scattered huts, which are abundantly surrounded with fruit trees, in the beautiful Huertas de Pucara and Cavico.
Happily the river is free from crocodiles, which, in the upper part of the Amazons, are first met with below the cataracts of Mayasi. These unwieldy and slothful monsters generally prefer the more tranquil waters. According to my measurements the Rio de Chamaya, from the Ford (Paso) de Pucara to the place where it enters the Amazons River below the village of Choros, has a fall[9] of 1668 (1778 English) feet in the short space of 52 English geographical miles. The Governor of the province of Jaen de Bracamoros assured me that letters carried by this singular water-post were rarely either wetted or lost. Soon after my return
