Note 84 — Chapter IX · MANAOS AND ITS NEIGHBORHOOD.

Much of what follows upon social abuses, tyranny of the local police, prison discipline, &c., though not quoted in his own words, has been gathered from conversations with Mr. Agassiz, or from discussions between him and his Brazilian friends. The way in which this volume has grown up, being as it were the result of a double experience, makes it occasionally difficult to draw the exact line marking the boundaries of authorship; the division being indeed somewhat vague in the minds of the writers themselves. But since criticisms of this sort would have little value, except as based upon larger opportunities for observation than fell to my share, I am the more anxious to refer them, wherever I can, to their right source.