Source, 1821
Niopo among the Otomac in Humboldt and Bonpland's Personal Narrative
Orinoco snuff, Acacia niopo, and curupa in an 1821 travel narrative
Humboldt and Bonpland's Personal Narrative describes niopo snuff among the Otomac on the Orinoco, including preparation from Acacia niopo, nasal apparatus, missionary testimony, and comparison with curupa.
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