SACRAMENTO COUNTY, situated in the central part of California, with Sacramento river on the west. Area ----- square miles. Face of the country, level; soil rich. Seat of justice, Sacramento city. Pop. in 1852, 12,589.

SAN DIEGO COUNTY, situated at the southwest corner of California, with the Pacific on the west. Area, ----- square miles. Seat of justice, San Diego. Pop. in 1850, 3,530.

SAN FRANCISCO COUNTY, situated on the westerly boundary of California, with the Pacific ocean on the west, and San Francisco bay on the northeast. Area, ----- square miles. Seat of justice, San Francisco, Pop. in 1852, 36,151.

Boundaries and Extent. — By the constitution, adopted by the people in November, 1849, and by the act of Congress consequent thereon, the limits of California are established as follows: commencing at latitude 42° north, and longitude 120° west; thence running south on said line of longitude until it intersects the 39th degree of north latitude; thence in a direct course south-easterly to the River Colorado; thence down the channel of said river to the boundary between Mexico and the United States; thence along said boundary to the Pacific Ocean, and into the same three English m