Title reads: "How brainy are chimps?"
London Zoo, Regent's Park.
C/U head zookeeper of Bill Peckett holding chimp Sammy. C/U Peckett and his assistant Harry Bean holding another chimp Josie. C/U Josie scratching Mr. Bean's head. M/S press photographers crowded round the glass viewing window of the chimp's den.
C/U head keeper preparing catapults for intelligence test. He puts a grape onto the end of catapult. Various shots Josie doing test: she has learnt to swing a ball on a rope, when the ball hits the catapult a grape flies out. She finds and eats the grape. C/U press photographers outside the den. More shots Josie playing game.
C/U newsreel photographers inside den, they are wearing masks to protect Josie from their germs. C/U Josie rocking. More shots Josie playing game. C/U masked press photographers. C/U Josie spinning around.