Show Human Echo Puzzles Physicians in England LON LONDON Medical DON Medical scientists scientists scientists here are puzzled over the i strange case casc of a seven seven- year seven year year- old boy who produces an echo In his sleep bleep The boy a sort of ot human echo has been lIeen observed by Dr W. W E E. L. L Allen Alien medical practitioner practitioner of Lancashire and other witnesses Thc They report that when the lad Is In deep sleep he emits u n loud 10 knocking In response to s similar collar noises produced accidentally 1 or purposely purposely pur pur- In his vicinity J I |