791 



la Inundation. Great pools also are found be- 

 tween the Rio Parima and the Xurumu. These 

 are marked on the maps recently constructed in 

 Brazil, which furnish the most ample details of 

 those countries. More to the west, the Canno 

 Pirara, a tributary stream of the Mahu, issues 

 from a lake covered with rushes. This is the 

 lake Amucu described Nicolas Hortsmann ; and 

 respecting which some Portugueze of Barcelos, 

 who had visited the Rio Branco (Rio Parima or 

 Rio Paravigiana * ) gave me precise notions 

 during my stay at San Carlos del Rio Negro. 

 The lake Amucu is several leagues broad, and 

 contains two small islands, which Santos heard 

 called Islas Ipomucena. The Rupunuwini (Ru- 

 punury), on the banks of which Hortsmann dis- 

 covered rocks covered with hieroglyphical 

 figures-}-, approaches very near this lake, but does 

 not communicate with it. The portage between 

 the Rupunuwini and the Mahu is farther north, 

 where the mountain of Ucucuamo % rises, which 



* Is this name, which I take from the oral communica- 

 tion of Portugueze colonists, a corruption of Paravittana* f 

 La Cruz gives this name to the easternmost branch of the 

 Rio Branco. See above, p. 374. 



f See above, p. 593. On the south of the Rupunury, but 

 below the Uanauhau (Anava), other tributary streams of the 

 Rio Branco rise from the small lakes Curiucu, Uraricory, 

 and Uadauhau. Corogr. bras., vol. ii, p. 347. 



t I follow the orthography of the manuscript journal of 



