In the story the time traveler the time traveler shows similar theories to Charles Darwins theories. Some of those similar theories are that humans will continually evolve. Also natural selections part in evolution. Mr. Darwins theories are explaining the thoughts that are going through the time travelers head.

Darwins theories of evoulution explain the time travelers thoughts on how the there were two different species. The time traveler believes there was a economic reason to the two different species. He believes that the upper class lived in the upper world where as the lower class live in the under world. the people who live in the upper class live in peace and they cherished each other. the people whom lived in the underworld where the