• Those that belong to the emperor
• Embalmed ones
• Those that are trained
• Suckling pigs
• Mermaids (or Sirens)
• Fabulous ones
• Stray dogs
• Those that are included in this classification
• Those that tremble as if they were mad
• Innumerable ones
• Those drawn with a very fine camel hair brush
Et cetera
• Those that have just broken the flower vase
• Those that, at a distance, resemble flies

Categories to which beasts belong, from Jorge Luis Borges, “The Analytical Language of John Wilkins” (1942)