The experimental conditions  [motion picture] / 
University of California ; made by Extension Media Center ; researchers: George Bartholomew, Robert I. Bowman, Henry J. Thompson 
 - 1 film reel (36 min.) :  sd., col. ;  16 mm. 
 - Galapagos: laboratory for evolution .
<br/><br/> Introduces the Galapagos Islands, explains their importance in the development of evolutionary thought and deals with the principle elements of their fauna, flora, ecology and biogeography 
<br/><br/><label>Subjects--Topical Terms: </label><br/>National history--Galapagos Islands.