Menagerie

A menagerie was a collection of captive, exotic animals.

In the 2150s, Doctor Phlox kept a "little menagerie" aboard . (, et al.)

On planet Talos IV, the planet's Talosian inhabitants had a menagerie which was actually an elaborate experiment devised by them to evaluate the intelligence and adaptability of specimens of intelligent life they had collected.

The Talosians' ultimate aim was to find a species that could be bred to serve them by recolonizing the war-ravaged surface of their world. Test subjects were kept in small cells with large transparencies and fed with a nourishing protein complex. The Talosians were able to test the subjects' responses by a series of illusions and telepathic tricks. It was hoped that the subjects would discover a way to escape from their cage and make their way to the surface to begin cultivating it. 

Captain Christopher Pike of the  was imprisoned in the menagerie in 2254. Although he was able to "pass" the Talosians' test and escape to the surface, the Talosians came to the conclusion that Humans' hatred of captivity made the species unsuitable for their needs. ()

Appendices

Related topics 
 Zoo

Background information 
In the story outline for "The Cage" (as reprinted in The Making of Star Trek, pp. 47-65), a production note instructed that the corridor of enclosures imprisoning various specimens was to be "staggered so that we can see little of the others." The story outline, in which the Enterprises commanding officer was Captain Robert April, also detailed the contents of April's particular "cage", including a water container that was light enough for April to hold in one hand. "In addition to the water container," the story outline stated, "April's cage contains a spongelike epiloid that can serve as a bed, covered with a filmy metallic blanket; a decorative pool of surging water that has something of a splashing fountain in the center – the enclosure spotlessly clean and bare, utilitarian but not unattractive. There are no visible exits or ingresses, no crannies, no holes – April is hopelessly trapped." (The Making of Star Trek, p. 51)

After describing "a sponge-like plastic shape" inside Pike's cage as "apparently some kind of a bed," the script went on to detail the area as "A spotless utilitarian enclosure, containing the odd-shaped 'bed', a filmy metallic-cloth blanket folded nearby, a sanitary free-form pool of surging water and small drinking container." The passageway that can be seen through the "transparent paneling" that serves as a wall of Pike's cage was described as "a long corridor faced with similar transparent panels which look into other enclosures. But they are offset from us and we can see only small angled portions of the closer ones down the corridor."

Matt Jefferies sketched a set design for the Talosian menagerie in which the decision to make the transparent wall from glass can be seen. (The Art of Star Trek, p. 5) The corridor outside Pike's cell was a forced-perspective set, including angled arches that were progressively smaller, the further they were from the cell. This gave the illusion that the corridor was much longer than it actually was. ( text commentary, TOS Season 1 DVD special features) The walls of the corridor were lined with tin-foil. (Star Trek Memories, p. 34) The transparent walls that provided views of the other enclosures were made from clear plastic. ( text commentary, TOS Season 1 DVD special features) As evidenced by the call sheets of "The Cage", the set was built on Desilu Culver Stage 15.

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