When he flung himself against the bars, quivering and frothing, they laughed at him and taunted him.

They growled and barked like detestable dogs, mewed, and flapped their arms and crowed.

It was all very silly, he knew; but therefore the more outrage to his dignity, and his anger waxed and waxed.

He did not mind the hunger so much, but the lack of water caused him severe suffering and fanned his wrath to fever-pitch.

For that matter, high-strung and finely sensitive, the ill treatment had flung him into a fever, which was fed by the inflammation of his parched and swollen throat and tongue.
He was glad for one thing: the rope was off his neck.