Show X X Hays Ilas Ila's Stilly Aid Study of Poison Sprays Ithaca N N. N Y rays X rays X-rays are being used by Pro Prof I. I G. G F I F. F McLeod of or Cornell university ty to get exact data on how poison polson sprays containing sulphur sulphur sul sui sul- sul behave as they stick sUck to leaves and what becomes of or orthe the sulphur after the marauding marauding marauding ma ma- insect or caterpillar has bitten out and swallowed swallowed lowed some appetizing but lethal green pieces The rays ray used in the photography photography ph phy are of the kind known as al Crena they are like lib X rays X-rays rays but have hue iu greater reater wavelengths in in- between X rays X-rays and ultraviolet ultraviolet ul tr lo et i I I tIt I U ti Mf |