Note 14 — ON THE ORIGIN AND IMAGINARY EFFICACY OF AMULETS & CHARMS,
Reading edition
The discovery of the virtues of the Peruvian bark may here serve as an instance. The story goes, that an Indian (some say a monkey) being ill of a fever, quenched his thirst at a pool of water, strongly impregnated with the bark from some trees having accidentally fallen into it, and that he was in consequence cured.