THE MOUTH OF THE RIO ANAVENI.—PEAK OF UNIANA.—MISSION OF ATURES.—CATARACT, OR RAUDAL OF MAPARA.—ISLETS OF SURUPAMANA AND UIRAPURI.
CHAPTER 2.21.
RAUDAL OF GARCITA.—MAYPURES.—CATARACTS OF QUITUNA.—MOUTH OF THE VICHADA AND THE ZAMA.—ROCK OF ARICAGUA.—SIQUITA.
CHAPTER 2.22.
SAN FERNANDO DE ATABAPO.—SAN BALTHASAR.—THE RIVERS TEMI AND TUAMINI.—JAVITA.—PORTAGE FROM THE TUAMINI TO THE RIO NEGRO.
CHAPTER 2.23.
THE RIO NEGRO.—BOUNDARIES OF BRAZIL.—THE CASSIQUIARE.—BIFURCATION OF THE ORINOCO.
CHAPTER 2.24.
THE UPPER ORINOCO, FROM THE ESMERALDA TO THE CONFLUENCE OF THE GUAVIARE.—SECOND PASSAGE ACROSS THE CATARACTS OF ATURES AND MAYPURES.—THE LOWER ORINOCO, BETWEEN THE MOUTH OF THE RIO APURE, AND ANGOSTURA THE CAPITAL OF SPANISH GUIANA.