Note 9 — Chapter II · The Bones.

“In its action on the system nicotine is one of the most powerful poisons known. A drop of it in a concentrated form was found sufficient to kill a dog, and small birds perished at the approach of a tube containing it.”—Wood’s Materia Medica. “Tobacco appears to chiefly affect the heart and brain, and I have therefore placed it among cerebral and cardiac poisons.”—Taylor’s Treatise on Poisons.