1. Pluto was a large black cat.
2. The second cat was similar to Pluto because both of the had a large white patch of hair on their chest.
3. The narrator killed his wife by planting an axe in her skull.
4. The narrator walled up his wife in the cellar with the cat.
5. The police found the body because a loud shriek alerted them.
6. In the hole, in the wall the police saw the body of his wife along with the dead cat.
