In 1931 Mr. and Mrs. Irving began to hear strange noises behind the walls. There were taps,hisses,grows,squeaks,and other animal sounds. Then one day Mr. Irving heard a gurgle.
It sounded like a baby learning to talk . Mr Irving thought he would answer the sounds. He barked like a dog.He meowed like a cat.To his surprise,his sounds were repeated in a shrill,high voice.Mr.Irving made the sounds again.This time he follow each one with the name of the animal he was imitating.The voice behind the wall repeated every word he said