The principal bays on the mainland coast are Olas Atlas, which is the harbour of Mazatlan, San Blas, Banderas, Manzanillo, Acapulco, Salina Cruz and Tonala.
The principal cities of Mexico, other than the capitals above mentioned, are as follows, the populations being those of 1900 except when otherwise stated: Acapulco (pop. 4932), a famous port on the Pacific coast in Guerrero, which was wrecked by the earthquake of 1909; Carmen, or Laguna de Terminos (about 6000), a thriving commercial town and port on the Gulf coast in Campeche; Celaya (2 5,5 6 5), a railway centre and manufacturing town of Guanajuato; Ciudad Guzman, or Zapotlan (about 17,500), an interesting old town of Jalisco; Cholula (about 9000), an ancient native town of Puebla, widely known for its great pyramid; Comitan (9316), the commercial centre of Chiapas; Cordoba (7974 in 1895), a picturesque Spanish town in the sierras of Vera Cruz; Cuautla (6269), the centre of a rich sugar-producing district of Morelos; Guaymas (8648), a flourishing port of Sonora on the Gulf of California; Leon (62,623), the largest city in Guanajuato and distinguished for its commercial activity, manufactures and wealth; Linares (20,690), the second city of Nuevo Leon in size and importance; Matamoros (8347), a prominent commercial centre and river port of Tamaulipas; Mazatlan (17,852), the foremost Mexican port on the Pacific coast; Orizaba (32,894), a city of Vera Cruz famous for its delightful climate and picturesque surroundings; Parral (14,748), a well-known mining centre of southern Chihuahua; San Cristobal (about 16,00o), once capital of Chiapas and rich in historical associations; Tampico (16,313), a Gulf port and railway terminus of Tamaulipas; Tehuantepec (10,386), the largest town on the Tehuantepec railway in Oaxaca; Vera Cruz (29,164), the oldest and best known Gulf port of Mexico.
The next important line is the F.C. Internacional Mexicano, running from Ciudad Porfirio Diaz, on the Rio Grande, south-westward across the plateau to Durango, and is to be extended to Mazatlan, on the Pacific coast.
Another line built with American capital and in connexion with American railway interests extends southward from Nogales, on the northern frontier, to Hermosillo, Guaymas and Mazatlan; it is to be extended to Guadalajara and possibly to other points in southern Mexico.
A Mexican extension 'of the (American) Southern Pacific which has been completed from Nogales to Mazatlan is to be extended to Guadalajara, which will give the national capital direct communication with the thriving ports of Mazatlan and Guaymas.