The Indians told us that the jungles which cover the banks of the Sipapo abound in the climbing plant called bejuco de maimure. This species of liana is very important for the Indians as they weave baskets and mats from it. The Sipapo jungles are completely unknown. It is there that the missionaries place the Rayas tribe, whose mouths are said to be in their navels, perhaps due to the analogy with rays, whose mouths appear to be halfway down their bodies. An old Indian we met at Carichana, who boasted that he had often eaten human flesh, had seen these headless people with his own eyes'.