Voyages and discoveries in South-America the first up the river of Amazons to Quito in Peru, and back again to Brazil, perform'd at the command of the King of Spain by Christopher D'Acugna : the second up the river of Plata, and thence by land to the mines of Potosi by Mons Acarete : the third from Cayenne into Guiana, in search of the lake of Parima, reputed the richest place in the world by M. Grillet and Bechamel : done into English from the originals, being the only accounts of those parts hitherto extant : the whole illustrated with notes and maps.