In hollows, or places where the air is stagnant, it may still be toxic.
The drug was a deadly one, he said, and the toxic dose was still to be determined.
Little is known of its toxic action, but a weak toxin has been got from cultures.
In dog 28 the first dose of caffein 50 mg per kilo was toxic.
This drug is one-seventh as toxic as cocaine but is also weaker in action.