Manti Messenger | 1937-03-19 | Page 3 | X-Rays Aid Study of Poison Sprays

X-Rays X rs Aid Stud Study Y of Poison Sprays Ithaca N. N Y rays X rays X-rays are being being being be be- ing ing used by Prof G. G F. F McLeod l of Cornell university to get exact data on how poison sprays containing sulphur behave as they stick to leaves and what becomes of the sulphur after the marauding insect or caterpillar caterpillar caterpillar cater cater- pillar has bitten out and swallowed swallowed swallowed lowed some appetizing but lethal green pieces The rays used in the photography phy are of the kind known as Grenz rays they are like X-rays X but have somewhat greater wavelengths intermediate intermediate intermediate in in- between X-rays X and ul ul- ul- ul I