Ethan Smith discusses "Egyptian hieroglyphics" among the ancient Mexicans.
Ethan Smith, View of the Hebrews; or the Tribes of Israel in America, 2nd ed. (Poultney, VT: Smith & Shute, 1825), 184–185
Our author proceeds; "Tradition and historical hieroglyphics name Huehuetlapallan, Tallan, and Aztlan, as the first residence of these wandering nations. There are no remains at this day of any ancient civilization of the human species to the north of Rio Gila, or in the northern regions travelled through by Hearne, Fiedler, and Mackenzie. But on the north-west coast, between Nootka and Cook river, especially under the 57th degree of north latitude, in Norfolk Bay, and Cox Canal, the natives display a decided taste for hieroglyphical paintings.” (See Voyage de Marchand, p. 258, 261, 375. Dixon, p. 332.)
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Whence could have been derived the knowledge of the accurate hieroglyphical paintings, which this most learned author exhibits as found among some of the Indians; unless they had learned them from people to whom the knowledge of hieroglyphics had been transmitted from Egypt, its original source?