<P> In an urban biological research facility, Ulysse recognizes Pavlov's dog conditioning being used on captured humans . He is mated with Nova . Curious chimpanzee researcher Zira takes an interest in his geometric drawings and his ability to speak a few simian words . With help from her fiancé, Cornélius, Ulysse makes a speech in front of several thousand apes . He is granted freedom and is given tailored clothing . Antelle reverts to primitive humanity in the zoo and is moved to the laboratory for safety, where he is mated to a young female . </P> <P> Cornélius, an archaeologist, excavates an ancient human city . An unconscious human lab subject recites from racial memory the events that led to the fall of human civilization: humans tamed apes and eventually used them as servants . Things began to change . As apes learned to talk, a cerebral laziness took hold of the humans . Apes gradually took over human homes, driving the humans into camps outside of the cities . In the final memory, apes attacked the last human camp, carrying only whips . </P> <P> Nova bears Ulysse a son, Sirius, who walks and talks at three months . Fearing for their lives, they take the place of the human test subjects in a space flight experiment . Because all humans look alike to apes, they are able to escape without notice and they rendezvous with the orbiting ship . </P> <P> Ulysse programs the ship back to Earth . As they fly over Paris, Orly Airport and the Eiffel Tower look the same . When they land, however, they are greeted by a field officer in a Jeep who is a gorilla . </P>

Planet of the apes by pierre boulle pdf