Draughts

The British name for the game of checkers. The narrator mentions draughts as an example of a game that makes use of an analytical mind.

Whist

A four-person card game, similar to Backgammon. The narrator compares playing card games like whist to using the analytical powers of the human mind.

Hoyle

Edmund Hoyle (1672-1769) published his first Short Treatise on the Game of Whist in 1742, and is the leader in publishing rulebooks for many types of games.

Rue Morgue

Location of the horrific murders of Mademoiselle Camille L'Espanaye and her mother Madame L'Espanaye.

Orangutan

A large species of monkey. This particular orangutan turns out to be the "killer" in The Murders in the Rue Morgue.

Gothic Mansion

Home shared by the narrator of The Murders in the Rue Morgue and Dupin.