Truth and Error

W.K. Brooks, Science, June 1899, 9, 213.

Exerpt: “All savages believe that hallucinations are a means of divination, and, as many intoxicants produce hallucinations, all of the North American tribes make use of these, supplemented with many rites, such as dancing, singing, ululation, the beating of drums, and the tormenting of the body by various painful operations, all designed to produce ecstatic states and the consequent hallucinations.”