An adequate and proper classification of the Mexican population, for descriptive purposes, may be made under the general heads of: Whites, Indians, Africans, and the mixed breeds, who are socially sub-divided into--1st, the educated and respectable Mexicans dwelling in towns, villages or on estates; 2d, the Leperos; and 3d, the Rancheros. The whites are still classed in Mexico as _creoles_, or, natives of the country; and _gachupines_ and _chapetones_, who are Spaniards born in the Peninsula. The Spanish population yet remaining in the country, its immediate descendants, and the emigrants from Spain, form a numerous and important body. Her Catholic Majesty's Consul General in Mexico derives a lucrative revenue from supplying this large class of his countrymen with annual "protections," or "_cartas de seguridad_," granted by the Mexican government, but procured from it through the instrumentality of this functionary. The Spaniard no longer holds his former rank in the social scale of the ancient colony. There are many wealthy mercantile families in the republic, who owe allegiance to the crown; but among the mechanical classes there are numbers of poor Castilians whose fate would be melancholy in Mexico, were they not succored and protected by their wealthier countrymen. The Mexican native, in whose veins there is almost always a few drops of indigenous blood, is commonly indolent and often vicious. The bland climate and his natural temperament predispose him for an indulgent, easy and voluptuous life; yet the many [Illustration: RANCHEROS.]