What point of view is used in "Through the Tunnel"?
This story is written from a third-person omniscient point of view. The narrator knows Jerry's mother's thoughts and feelings. For example, the narrator says, early on, that "She frowned, conscientiously worrying over what amusements he might secretly be longing for which she had been too busy or too careless to imagine." Thus, the narrator can tell us what specifically Jerry's mother is thinking about and that it makes her anxious for her son's well-being.
The narrator also knows Jerry's thoughts and feelings. Shortly after the description of his mother, above, the narrator says, "[Jerry] was very familiar with that anxious, apologetic smile. Contrition sent him running after her." Thus, the narrator can tell us that Jerry knows his mother's concerns well and that he feels guilty for making her worry.
Further, the narrator knows the thoughts and feelings of the older boys who come to play at the wild bay. Although the narrator doesn't belabor this, he does say that "they understood that [Jerry] was a foreigner strayed from his own beach, and they proceeded to forget him." Therefore, the narrator knows the thoughts and feelings of all of the characters in this story, and this means the narrator uses a third person omniscient point of view. He is not a participant in the story (this correlates to the third person) and he knows the thoughts and feelings of all characters (omniscient).
It's written in third person limited point of view. The narrator describes the thoughts and feelings of Jerry and his mother, but we don't know the thoughts and feelings of any of the other characters. Telling the story from the point of view of the white tourists emphasizes the gap between Jerry and the local boys. We are involved with how Jerry feels.
The point of view used in Through the Tunnel is the omniscient point of view. We know this because the narrator shows us what both Jerry, the story's protagonist, and his mother are thinking and feeling. Of course, since Jerry is the main character, we get to know more of his thoughts and feelings; but if you read carefully, you'll find that the mother's doubts and worries are also revealed.
In the third-person limited point of view, the narrator reveals the heart and mind of a single character in the story.