Following the Equator, Part 3[Illustrated]

Mark Twain (or Samuel Langhorne Clemens) was born on 30th Nov, 1835 and died on 21st April, 1910. He was an American author and humourist. His famous works include: The Adventures of Tom Sawyer (1876), and its sequel, Adventures of Huckleberry Finn (1885), the latter often called "the Great American Novel."
Excerpt-"Well, it left not the least impression upon him. What did you talk about?"
"About the fox. I think that was all."
"Why, that would interest him; that ought to have left an impression. What did he talk about?"
"The fox."
It's very curious. I don't understand it. Did what he said leave an impression upon you?"