Regulus II, also known as Osiris or Arodi, was a planet, the second in the Regulus star system. This planet was so named as Osiris by the inhabitants of nearby Regulus III. (TOS - Star Trek II Short Stories short story: "The Blaze of Glory") Regulus II was the location of a civilization of reptilian bipeds, who referred to their world as Arodi. As of the mid-24th century, the reptilians of Arodi were not Federation members, but they had arranged to play host to a Human colony on their world, with 16,000 inhabitants engaging in peaceful trade with the Regulus natives and the Federation.