The geographical position of Mexico, when considered in connexion with its agricultural riches and metallic wealth, is perhaps the most remarkable in the world. A comparatively narrow strip of land, possessing all the climates of the world, is placed midway between the two great bodies of the northern and southern continents of America, and midway, also, between the continents of Europe and Asia. In its central region it extends only five or six hundred miles from the Atlantic to the Pacific, while, at its southern end, it is swiftly crossed by means of its rivers or by railways, which, it is alleged, may be easily constructed. In the midst of this unrivalled territory, in the lap of the great plateau or table land, and far removed from unhealthy coasts, lies the beautiful city of Mexico, a natural focus of commerce, wealth and civilization. Such a picture of natural advantages cannot but strike us with admiration and hope. If ever there was a capital destined by nature to form the centre of a great nation, if not to grasp at least a large share of the North American, European, South American and Oriental trade, it unquestionably is the city of Mexico. Raised as she is far above the level of the sea and inaccessible by rivers, the development of her destiny may be postponed until genius shall inlay her valleys and ravines with railways, and thus connect her forever with the two coasts. But can we doubt that this mechanical miracle will be performed? It is not for us to say whether it shall be the work of the present generation, or of the present race in Mexico. It seems to be the law of nature that nations, like men, must advance or be trodden under foot. The vast army of industrious mankind is ever marching. Nor can we doubt that unless Mexico learns wisdom from the past, and, abandoning the paltry political strife which has hitherto crushed her industrial energy, follows in the footsteps of modern civilization, her fate will be sure and speedy. The attention of the world is now riveted upon this region as the natural mistress of the Atlantic and Pacific. If Mexico covers the eastern and western slopes of her Cordillera with an intelligent, progressive and peaceful population, invited from abroad to amalgamate with her own races under the operation of permanent laws and wholesome government, the change may be slow and her power may be preserved. But if she will persist in the mad career of folly which has characterized her since her independence, she will not be able to resist the gradual and inevitable encroachments from the north, from Europe, and from the new establishments which are rapidly growing up on the Isthmus of Panama. These new foundations, based on the incalculable wealth of California will be fostered by means hitherto undreamed of in the wildest commerce of the world, and unless Mexico shall avail herself of their salutary monitions they will finally absorb both her people and her nationality.