his book "Ten Years in Oregon", published in 1850; Twahtin, by J. Quinn Thornton, an immigrant of 1846, on page 292 of Volume 1 of his book "Oregon and California," published in 1849; an d Quality, in Joel Palmer's "Journal," published in 1847, pages 90 and 115.
Report No. 101 of the House of Representatives, 25th Congress, 3d Session, ordered to be printed February 16, 1839, is the Supplemental Report of the Committee on Foreign Affairs on the Territory of Oregon. Its appendix N is the Report of William A. Slacum to Hon. John Forsyth, Secretary of State, dated November 11, 1835. (Senate Document 18378, No. 24). On page 42 of this Supplemental Report No. 101, the name is given as that of a tribe of Indians and is spelled Fallatah. Slacum was in Oregon a part of December, 1836, all of January, and a part of February, 1837, on a secret mission from the Department of State. The name is now spelled Tualatin.
What was left of this County, after Clatsop County was created, January 15, 1855, was named Washington County by an Act of theTerritorial Legislature, passed September 3, 1849. (Local Laws of 1850-1, page 54). For present boundaries see Washington County.
Yamhill District.
As originally created Yamhill District was described as: "Second district, to be called the Yamhill District, embracing all the country west of the Willamette, or Multnomah, River and a supposed line running north and south from said river, south of the Yamhill River to the parallel of 42 north latitude, or the boundary line of the United States and California, and east of the Pacific Ocean." "Approved by the people, July 5th, 1843". ("Oregon Archives," page 26).
December 19, 1845, three days before Polk District was created, the Provisional Legislature changed the boundaries of Yamhill District so as to be as follows: "Commencing in
