MOLLUSCICIDAL QUALITIES OF BAYLUSCIDE (BAYER 73) REVEALED BY 6-HOUR AND 24-HOUR EXPOSURES AGAINST REPRESENTATIVE STAGES AND SIZES OF AUSTRALORBIS GLABRATUS.

would prevent his inhalation of insecticide so that his excretion would represent dermal absorption only.) In themselves, the results of this study have no clinical significance, because the highest rate of absorption involved (0.14 mg of p-nitrophenol per hour) would not be expected to produce any clinical effect or a marked inhibition of cholinesterase.c To put it another way, the highest measured dose was 2.35 mg of parathion, distributed over a period of 15.5 hours, whereas Edsond found that daily oral doses of 3 mg were tolerated by volunteers without cholinesterase depression or clinical effect.