MISSOURI, Miz-ziVre. A small tribe of Siouan stock. When first known to the whites they occupied the territory about Grand River, a northern affluent of the Missouri, in what is now the State of Missouri, and contiguous to the Iowa and Oto (q.v.) on the north and west, nil three tribes speaking the same language. Their popular name is of Algonquian origin, and is said to mean 'great muddy,' referring to the Missouri River. They call themselves Xiutachi or X Mocha, 'those who come to the month' (of the river). According to their tradition the three tribes migrated together from the vicinity of Green Bay, Lake Michigan, The Missouri are named upon Marquette's map of It and some years afterwards a French fort was estab lishcld in their territory. T1».oughout the nial period they were generally on the French side, as opposed to the English, although on one occa sion they attacked and massacred the French garrison. In 1725 a number of their chiefs
visited France and attraeted much attention. At estimated at from 1030 to 1200; but. after being greatly reduced by smallpox, they were attacked by the Sank. who compelled them to abandon their territory about I795 and take refuge west of the Missouri. In 1805 they were living near the mouth of the Platte River and numbered about 300. In 1523 they were again so decimated by smallpox that the remnant, about SO persons, in corporated with the kindred OM. The confed erated tribes removed in ISS2 from Nebraska to a reservation in Oklahoma. where they now re side. numbering altogether only 300. They are still steadily decreasing. and their agent reports that they have practically ceased all effort at self support, owing to the money they receive in the shape of treaty and lease payments.