Show 1 SIXTH SENSE IN UIRDS Experiments with Carrier Pigeons Prove Its Possession Although birds are not placed near the summit line of evolution their ability to fly gives them advantages over nearly all the mammalia Their mysterious power of changing their polarity or weight in order to dlvo In water or fly has been often discussed dis-cussed amid the almost Incredible ve > betty of their motion when migrating sometimes amounting to four miles u minute for vast distances has no parallel par-allel among other animals A series of careful trials with carrier car-rier pigeons shows apparently without dwjbt their possession of a highly developed de-veloped sense of direction In twenty minutes the first bird dispatched at 10 p m reached its roost n distance of seventeen miles being traversed Half of the number arrived before midnight and the remainder followed In a few hours |