BELKNAP COUNTY, situated in the easterly part of New Hampshire, with Lake Winnipisiogee on the northeast, and Pemigewasset river on the west. Winnipisiogee river intersects this county, which forms a portion of its southeast boundary. Area, 288 square miles. The face of the country is mountainous and hilly, and much of the soil highly fertile. Seat of justice, Gilford. Pop. in 1850, 17,721.

YORK COUNTY, situated at the southwest corner of Maine, with the Atlantic ocean on the southeast, and Salmon Fall and Piscataqua rivers on the southwest. Area, 818 square miles. Seats of justice, Alfred and York. Pop in 1810, 41,877; in 1820, 46,283; in 1830, 51,710; in 1840, 54,034; in 1850, 60,106.

WASHINGTON COUNTY, situated at the southeast corner of Maine, with the Atlantic ocean on the southeast St. Croix river and Passamaquoddy bay on the northeast, and Schoodic lake toward the north. Area, 3,500 square miles. Face of the country, uneven; soil, suitable for grazing. Seat of justice, Machias. Pop. in 1810, 7,870; in 1820, 12,744; in 1830, 21,295; in 1840, 28,327; in 1850, 38,113.

WALDO COUNTY, situated in the south part of Maine, with Penobscot river and Penobscot bay on the southeast. Area, 812 square miles. Seat of justice, Belfast. Pop. in 1830, 29,788; in 1840, 41,509; in 1850, 47,129.

SOMERSET COUNTY, situated on the northwest boundary of Maine, and traversed by Kennebec river, with Moosehead or Umbagog lake on the east. Area, 3,600 square miles. Face of the country, hilly and mountainous. Seat of justice, Norridgewock. Pop. in 1810, 12,910; in 1820, 21,787; in 1830, 33,787; in 1840, 33,912; in 1850, 35,581.

PISCATAQUIS COUNTY, situated in the central part of Maine, with Moosehead lake on the west. Area, -------- square miles. Seat of justice, Dover. Pop. in 1840, 13,138; in 1850, 14,735.

PENOBSCOT COUNTY, situated in the central part of Maine, and traversed by Penobscot river. Area, 3,282 square miles. Face of the country, undulating and hilly; soil, fertile. Seat of justice, Bangor. Pop. in 1810, 7,471; in 1820, 13,870; in 1840, 45,705; in 1850, 64,089.

LINCOLN COUNTY, situated on the southerly boundary of Maine, on the Atlantic ocean, and traversed by Kennebec river. Face of the country diversified; soil productive. Area, 950 square miles. Seat of justice, Wiscasset. Pop. in 1810, 42,992; in 1820, 53,189; in 1830, 57,181; in 1840, 63,517; in 1850, 74,878.

KENNEBEC COUNTY, situated in the southerly part of Maine, and traversed by Kennebec river. Area, 1,050 square miles. Face of the country hilly; soil productive. Seat of justice, Augusta, which is also the state capital. Pop. in 1810, 32,564; in 1820, 42,623; in 1830, 52,491; in 1840, 56,823; in 1850, 62,520.

HANCOCK COUNTY, situated in the southeasterly part of Maine, on the Atlantic ocean, with Penobscot river and bay on the west. Area, 1,850 square miles. Seat of justice, Castine. Pop. in 1810, 30,031; in 1820, 31,290; in 1830, 24,347; in 1840, 28,605; in 1850, 34,372.