The Architecture and Sculpture of the Ruins, in order to support this Epoch, must possess an undeniable existence, and founded upon data, and strong analogy, of having a character traceable centuries before the Christian Æra. Four Sciences are required to be possessed by the original nation,--viz., Architecture, Sculpture, Painting, and _Navigation_. If we view for these purposes Hindoostan, China, and Japan, the characteristics of the first-named Sciences are totally different, while the latter is wanting to the extent necessary. Rome and Greece would present the marine power, but the _Architecture_ of those countries would claim no affinity with that in America; for at Copan, Palenque, and Uxmal, and all the Ruins, the Arch and Pediment are wanting. Egypt claims at once the general character of the Architecture, but not sufficient to establish that it is strictly of a National order, as practised on the borders of the Nile;--but, enough is shewn to prove, that a People built those cities in America, who had a _knowledge_ of Egyptian architecture. If Egypt itself had sent the "colony,"--(but from the want of the means of Navigation it was impossible, and also a record would have been found in Herodotus or Diodorus, who wrote of that country about 484, and 44 B. C.:--if it had taken place prior to those periods, their accuracy would have compelled them to notice it)--if, we say, Egypt had sent a "colony," the Temples would have been built like her own in every particular.--Pronaos, Sphinx, and other characteristics,--but these do not appear, or the slightest indication of them;--yet, where the pyramidal structure and obelisk (square-column sculptured) and circular columns are to be found, there Egypt may be traced as having given _knowledge_ to the builders. The Pyramid of Caius Cestius at Rome will illustrate this fact. No one will say that that Pyramid is Roman architecture,--yet no one will deny that the builder had a _knowledge_ of Egypt and her works,--and no Historian would claim Rome to be Egypt, because a Pyramid was found there; so in Mexican America, the Ruins partake of the Egyptian character sufficiently to give the style of the Architectural foundations to that of the Nile,--yet they must have been erected by another Nation;--yet that Nation must be proved to have a knowledge of, and intercourse with, Egypt. What nation of all the earth enjoyed this equal to the Tyrian? They were in weekly intercourse with each other,--exchanging as men their sentiments, and as merchants their merchandise, till one general conquest overwhelmed both countries,--one nation remaining subdued and tributary, and the other dispersed and annihilated.