Cameron, the name of three counties in the United States. I. A N. W. central county of Pennsylvania, intersected by Sinnemahoning creek; area, 400 sq. m.; pop. in 1870, 4,273. The surface is hilly, and generally covered with forests. The Philadelphia and Erie railroad traverses it. The chief productions in 1870 were 2,658 bushels of wheat, 21,795 of Indian corn, 17,152 of oats, 20,535 of potatoes, and 2,153 tons of hay. There were 254 horses, 394 milch cows, 407 other cattle, 1,042 sheep, and 859 swine. Capital, Emporium. II. A S. W. parish of Louisiana, bordering on the gulf of Mexico, and intersected by Mermen-teau river; pop. in 1870, 1,591, of whom 342 were.colored. The surface is low and swampy. The parish was formed in 1870 from portions of Calcasieu and Vermilion parishes. The chief productions in 1870 were 14,451 bushels of Indian corn, 7,518 of sweet potatoes, 696 bales of cotton, and 14 hhds. of sugar. There were 1,343 horses, 1,165 milch cows, 8,233 other cattle, 3,840 sheep, and 2,794 swine. Capital, Grande Cheniere. III. A S. county of Texas, on the gulf of Mexico, and separated from Mexico by the Rio Grande; area, 3,000 sq. m.; pop. in 1870,10,999, of whom 157 were colored.

It is watered by several streams, which have an E. course, and contains part of Isla del Padre, which is separated from the mainland by a narrow body of water called Laguna de la Ma-dre. There are many lakes, several of which yield salt. The valley of the Rio Grande is fertile, but the remainder of the county is only adapted for grazing. The chief productions in 1870 were 38,487 bushels of Indian corn, 500 tons of hay, 14,450 lbs. of wool, and 118 bales of cotton. There were 5,488 horses, 928 milch cows, 40,302 other cattle, 7,630 sheep, and 1,837 swine. Capital, Brownsville.