WASHINGTON COUNTY, situated in the east part of Missouri. Area, 820 square miles. Face of the country, mountainous; soil, varied. Seat of justice, Potosi. Pop. in 1830, 6,784; in 1840, 7,231; in 1850, 8,811.

WARREN COUNTY, situated in the east part of Missouri, with Missouri river on the south. Area, 350 square miles. Seat of justice, Warrenton. Pop. in 1840, 4,253; in 1850, 5,860.

TEXAS COUNTY, situated in the southerly part of Missouri. Area, -------- square miles. Seat of justice, Houston. Pop. in 1850, 2,312.

TANEY COUNTY, situated on the south boundary of Missouri, and traversed by White river and many of its tributaries. Area, 1,426 square miles. Seat of justice, Forsyth. Pop. in 1840, 2,264; in 1850, 4,373.

SULLIVAN COUNTY, situated in the north part of Missouri. Area, -------- square miles. Seat of justice, Milan. Pop. in 1850, 2,983.

STODDARD COUNTY, situated in the southeast part of Missouri, and interspersed with numerous lakes and their connecting streams. Area, 900 square miles. Seat of justice, Bloomfield. Pop. in 1840, 3,153; in 1850, 4,277.

SAINT GENEVIEVE COUNTY, situated on the easterly boundary of Missouri, with Mississippi river on the northeast. Area, 400 square miles. Seat of justice, Saint Genevieve. Pop. in 1810, 4,620; in 1820, 4,963; in 1830, 2,182; in 1840, 3,148; in 1850, 5,313.

SAINT FRANCIS COUNTY, situated toward the part of Missouri. Area, 425 square miles. Seat of justice Farmington. Pop. in 1830, 2,366; in 1840, 3,211; in 1850, 4,964.

SAINT CLAIR COUNTY, situated toward the southwest part of Missouri, and traversed by Osage river. Area, 820 square miles. Seat of justice, Osceola. Pop. in 1850, 3,556.

SAINT CHARLES COUNTY, situated on the easterly boundary of Missouri, with Mississippi river on the northeast, and the Missouri on the southeast. Area, 470 square miles. Seat of justice, St. Charles. Pop. in 1810, 3,505; in 1820, 3,970; in 1830, 4,322; in 1840, 7,911; in 1850, 11,454.