Show Captive Monkeys Monkey Happy no longer mope In the thc London Lon 1011 don dOli zoo since they have hove lied had Installed over over their quarters a II roof root made bf tit n II special gla glass 9 which lets In the ultraviolet ultraviolet ultra ultra- violet rays According to Dr Chalmers Chalmers Chal Chill mers Mitchell II director of the zoo the violet rn rays which are exclude 1 b by the time ordinary window glass are arc Just what the time crave crue und and they have o responded automatically to the lu Ins They chatter and antl swing and hurt hurl their coconuts around with twice the abandon the they showed allowed before |