erts, is nevertheless largely broken up by ranges of mountains, or detached peaks—some of which, like Popocatepetl, Orizaba, and Toluca, rise to great elevations—a circumstance which it is important to remember, and will be again referred to, in considering the possible future material development of the country.
Again, if we except certain navigable channels which make up for short distances from the sea into the low, narrow strips of coast-lands, there is not a navigable river in all Mexico; or, indeed, any stream, south of the Rio Grande, that in the United States, east of the Mississippi, would be regarded as of any special importance. Wells, except a few "artesian," are also so scarce on the plateau of Mexico that their very existence has been denied.
In respect, therefore, to this element of commercial prosperity, Mexico has been characterized as less favored than any considerable country except Arabia; the name of which last, as is well known, stands almost as a synonym for aridity.
No one accurately knows the total population of Mexico, as no undeniably accurate census has ever been taken; and there is no immediate prospect that any will be: certainly not so long as a majority of the people have a fear of giving any information in respect to their number, as is represented, and a not inconsiderable part of the coun-
