Its houses are usually one-storeyed, built of adobe and roofed with red tiles; its public buildings are among the finest in Central America.
Their natural habitat is from Argentina on north through Central America and into parts of Texas, New Mexico and Arizona.
They express the main complexes of land with their dependencies in well-chosen terms; for instance the " Neotropical region " stands short for South and Central America with the Antilles.
The relation to Asia of the pre-European civilizations of America is another of those questions which admit of no definite answer at present, though many facts support the theory that the semi-civilized inhabitants of Mexico and Central America crossed from Asia by Bering Straits and descended the west coast.
The " Ule " rubber of Central America and British Honduras originates from Castilloa elastica.