the unity of system or policy upon which the national government might have acted for the general improvement of internal communication or development of agricultural resources. Some of the best citizens have written and labored in behalf of national industry in all its usual or possible manifestations; but we fear that many years of profound peace must be ensured to Mexico before the farmer will be able to share in the blessings of commerce by means of exportation.
ARRIEROS AND MULES.
The great corn lands of Mexico are those of Puebla;—the Bajio, which comprises portions of the state of Guanajuato, Queretero, Valladolid, Zacatecas, and Guadalajara, in the vicinity of the Rio Santiago;—the valley of Mexico, in the state of Mexico;—the valley of Poañas, in Durango;—and it is calculated that the cleared ground in these districts is capable of producing cerealia for a population five times greater than that of Mexico at present. Corn, in the states of Mexico and Puebla is worth two dollars the fanega of one hundred and fifty pounds; in Oajaca about one dollar for the same quantity. Its value is every where irregular, and
