Book,  chapter

1    1,   10|       No, for here are the Rio Negro and Rio Colorado, and their
2    1,   15|        Maximii, and that Congo negro seen by the learned Van
3    1,   16|       the Colorado and the Rio Negro.~“But where was the last
4    1,   21| together. He spoke more like a negro belonging to a French colony.~
5    1,   21|        at the mouth of the Rio Negro. The best thing to do now
6    1,   24|        best, and next to him a negro, then a mulatto, and last
7    2,    6|       Rio Colorado and the Rio Negro, flow into the sea along