MONROE COUNTY, situated on the northeasterly part of Missouri. Area, 744 square miles. Seat of justice, Paris. Pop. in 1840, 9,505; in 1850, 10,541.

MONITEAU COUNTY, situated in the central part of Missouri, with Missouri river on the northeast. Area, -------- square miles. Seat of justice, Jamestown. Pop. in 1850, 6,004.

MISSISSIPPI COUNTY, situated on the southeasterly part of Missouri, with Mississippi river on the east. Area, ---------- square miles. Seat of justice, Charleston. Pop. in 1850, 3,123.

MILLER COUNTY, situated in the central part of Missouri, and traversed by Osage river. Area, 555 square miles. Seat of justice, Tuscumbia. Pop. in 1840, 8,282; in 1850, 3,834.

MERCER COUNTY, situated on the north boundary of Missouri. Area, ----------- square miles. Seat of justice, Princeton. Pop. in 1850, 2,691.

McDONALD COUNTY, situated at the southwest corner of Missouri. Area, --------- square miles. Seat of justice, Rutledge. Pop. in 1850, 2,236.

MARION COUNTY, situated on the easterly boundary of Missouri, with Mississippi river on the east. Area, 425 square miles. Seat of justice, Palmyra. Pop. in 1830, 4,837; in 1840, 9,623; in 1850, 12,230.

MADISON COUNTY, situated in the southeasterly part of Missouri. Area, 780 square miles. Seat of justice, Fredericktown. Pop. in 1830, 2,371; in 1840, 3,395; in 1850, 6,003.

Speed detested the xenophobic American (Know Nothing) party that replaced the Whigs in Kentucky in the mid-1850s. Although long a friend of Abraham Lincoln, whom he had met through his brother Joshua Fry, Speed understood that a Republican could not carry a slave state like Kentucky. In the presidential contest of 1860, therefore, he served on a committee that united supporters of northern Democrat Stephen A. Douglas and Constitutional Unionist John Bell to defeat southern Democrat John Breckinridge in Kentucky.

MACON COUNTY, situated in the northerly part of Missouri, and traversed by Chariton river. Area, 846 square miles. Seat of justice, Bloomington. Pop. in 1840, 6,034; in 1850, 6,565.