West of the coast on the 29th parallel, which is fertile and stocked with cattle; Cerros, off Viscaino Bay, and Santa Margarita, which partly shelters Magdalena Bay, on the Pacific side; and Angel de la Guarda, Tiburon, San Marcos, Carmen, Monserrate, Santa Catalina, Santa Cruz, San Jose, Espiritu Santo and Cerralvo in the Gulf.
The Totonacs inhabit northern Vera Cruz and speak a language related to that of the Mayas; the Tarascos form a small group living in Michoacan; the Matlanzingos, or Matlaltzincas, live near the Tarascos, the savage Apaches, a nomadic group of tribes ranging from Durango northward into the United States; the Opata-Pima group, inhabiting the western plateau region from Sonora and Chihuahua south to Guadalajara, is sometimes classed as a branch of the Nahuatlaca; the Seris, a very small family of savages, occupy Tiburon Island and the adjacent mainland of Sonora; and the Guaicuros, or Yumas, are to be found in the northern part of the peninsula of Lower California.
If the line which formerly separated the Colombian departments of Cauca and Panama is taken as forming the international boundary, this line follows the water-parting between the streams which flow eastward to the Atrato, and those which flow westward to the Gulf of San Miguel, the terminal points being near Cape Tiburon on the Caribbean coast, and at about 7° so' N.
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