The Question and Answer section for The Interlopers is a great resource to ask questions, find answers, and discuss the novel.
From the text:
In a forest of mixed growth somewhere on the eastern spurs of the Carpathians, a man stood one winter night watching and listening, as though he waited for some beast of the woods to come within the range of his vision, and, later,...
I'm sorry, what specific passage does your question pertain to?
“And before the moment of hesitation had given way to action a deed of Nature’s own violence overwhelmed them both.” (Paragraph 4)