Prinz von Maximilian Wied, Maximilian, Prince of Wied's, Travels in the Interior of North America…
“ The medicine dance. 10. The scalp dance. The first seven are all danced in the same manner, the only difference is in the singing. This is usually sometimes loud, sometimes soft, now high, now low, always consisting of short, frequently repeated tones, and extremely monotonous, often interrupted by loud exclamations of "re, ri," or "hey, hey, hey," repeated three times, nearly the same among all the Missouri tribes, and interrupted by the war cry. The medicine dance of the women does not occur every year. It is a medicine feast for the latter, at which, however, some men likewise appear. ”
