|Native Species:||Camus II natives (extinct)|
Camus II was the formerly inhabited second planet of the Camus system. This ringed world was the homeworld of an intelligent species that had become extinct prior to the mid-23rd century. At that time, visitors had to avoid exposure to celebium, that was deadly to humanoid life, by using celebium shielding.
At warp 2, the planet was located approximately 48 hours away from Benecia and 72 hours away from Starbase 2 in the opposite direction. (TOS: "Turnabout Intruder") The location of the planet in the Alpha Quadrant of the Milky Way Galaxy was depicted on a Federation star chart in 2293. (Star Trek VI: The Undiscovered Country, production art)
In 2267, Doctor Janice Lester was sent to Camus II with a team of archaeologists to investigate the planet. When Dr. Lester found a life-energy transfer machine built by the now extinct Camus II natives, she devised a plan to take over the body of James T. Kirk and assume command of the starship USS Enterprise. Two years later, together with Dr. Arthur Coleman, Dr. Lester, secretly murdered the entire expedition staff by radiation exposure to lure the USS Enterprise to the planet to investigate the "mysterious" deaths. (TOS: "Turnabout Intruder")
Background information Edit
According to the script for "Legacy", the proper pronunciation of Camus was "CAM-us".  The writing system of the extinct Camus II natives had symbols identical to Scalosian. In the "The Explored Galaxy" star chart, Camus II was located between the Tholian Assembly and Romulus. Both were identified in DS9: "Call to Arms" as Alpha Quadrant powers.
According to Star Trek Encyclopedia, Camus II was referred to in "Legacy", the 80th episode of TNG, as a homage to "Turnabout Intruder", the 79th and last episode of TOS. The "in-joke" was devised by Rick Berman, Jonathan Frakes and Eric Stillwell.
According to Star Trek: Star Charts ("United Federation of Planets III"), the Camus system was located in or near Federation space. The system was a single star system. The Camus star was an M class star with a magnitude of +5, the same brightness of Sol.
According the novelization of DS9: "The Search, Part I" and DS9: "The Search, Part II", if Deep Space 9 was ever attacked by the Jem'Hadar, civilians and non-essential personnel of the station would be evacuated to Camus II. The novelization also mentions that Camus II was known for a particular type of coffee.