It is somewhat remarkable that more accurate information about this country has not been published.

Captain Neves and others had a correct idea of the courses of the rivers, and communicated their knowledge freely; yet about this time maps were sent to Europe from Angola representing the Quango and Coanza as the same river, and Cassange placed about one hundred miles from its true position.

The frequent recurrence of the same name has probably helped to increase the confusion.

I have crossed several Quangos, but all insignificant, except that which drains this valley.

The repetition of the favorite names of chiefs, as Catende, is also perplexing, as one Catende may be mistaken for another.