Chapter XIII

The name of the Missouri changed, as the river now
divides itself into three forks, one of which is
called after Jefferson, the other Madison, and the
other after Gallatin. Their general character. The
party ascend the Jefferson branch. Description of
the river Philosophy which enters into the
Jefferson. Captain Lewis and a small party go in
advance in search of the Shoshonees. Description of
the country, &c. bordering on the river. Captain
Lewis still preceding the main party in quest of the
Shoshonees. A singular accident which prevented
captain Clarke from following captain Lewis's
advice, and ascending the middle fork of the river.
Description of Philanthropy river, another stream
running into the Jefferson. Captain Lewis and a
small party having been unsuccessful in their first
attempt, set off a second time in quest of the
Shoshonees. 328