highly satisfied, he said to himself: i hanks be to god that i have caught a fox!" but soon a rough, snarling cry was heard from him: "viertola's tabby cat and the devil!" with this shout he cast the cat angrily into the forest, set the snare again and went on to his other traps and gins.

This is all lower case. Can you fix that?
Highly satisfied, he said to himself: I hanks be to God that I have caught a fox!" but soon a rough, snarling cry was heard from him: "Viertola's tabby cat and the Devil!" With this shout he cast the cat angrily into the forest, set the snare again and went on to his other traps and gins.