I could hear the cracking of the fire, and through the dense vapour perceive thick, forked columns of flame shoot upwards towards the sky, while now and then loud reports, like those of a cannon, announced the fall of the large trees.

On seeing my guide enter this fiery gulf, I was, I must confess, rather frightened; but I felt assured, on reflecting, that he would certainly not foolishly risk his own life, and that he must know from experience that such places were passable.
At the entrance sat two negroes, to point out the direction that wayfarers had to follow, and to recommend them to make as much haste as possible.

My guide translated for me what they said, and spurred on his mule; I followed his example, and we both galloped at full speed into the smoking pass.

The burning ashes now flew around us in all directions, while the suffocating smoke was even more oppressive than the heat; our beasts, too, seemed to have great difficulty in drawing breath, and it was as much as we could do to keep them in a gallop.

Fortunately we had not above 500 or 600 paces to ride, and consequently succeeded in making our way safely through.
In the Brazils a conflagration of this kind never extends very far, as the vegetation is too green and offers too much opposition.