The horse was acquired by the prairie tribes toward the end of the last century. Carver (1766-1768) describes the methods of hunting among the "Naudowessie" without referring to the horse,(35) though he gives their name for the animal in his vocabulary,(36) and describes their mode of warfare with "Indians that inhabit still farther to the westward a country which extends to the South Sea," having "great plenty of horses."(37) Lewis and Clark (1804-1806) mention that the "Sioux of the Teton tribe ... frequently make excursions to steal horses" from the Mandan,(38) and make other references indicating that the horse was in fairly common use among some of the Siouan tribes, though the animal was "confined principally to the nations inhabiting the great plains of the Columbia,"(39) and dogs were still used for burden and draft.(40) Grinnell learned from an aged Indian that horses came into the hands of the neighboring Piegan (Algonquian) about 1804-1806.(41) Long’s naturalists found the horse, ass, and mule in use among the Kansa and other tribes,(42) and described the mode of capture of wild horses by the Osage;(43) yet when, two-thirds of a century after Carver, Catlin (1832-1839) and Prince Maximilian (1833-34) visited the Siouan territory, they found the horse established and in common use in the chase and in war.(44) It is significant that the Dakota word for horse (śuk-taɲ’-ka or śuɲ-ka’-wa-kaɲ) is composed of the word for dog (śuɲ’-ka), with an affix indicating greatness, sacredness, or mystery, so that the horse is literally "great mysterious dog," or "ancient sacred dog," and that several terms for harness and other appurtenances correspond with those used for the gear of the dog when used as a draft animal.(45) This terminology corroborates the direct evidence that the dog was domesticated by the Siouan aborigines long before the advent of the horse.