Observations on some parts of natural history : to which is prefixed an account of several remarkable vestiges of an ancient date, which have been discovered in different parts of North America. Pt. I / by Benjamin Smith Barton.

  • Barton, Benjamin Smith, 1766-1815.
Date:
[1787?]
Catalogue details

Licence: Public Domain Mark

Credit: Observations on some parts of natural history : to which is prefixed an account of several remarkable vestiges of an ancient date, which have been discovered in different parts of North America. Pt. I / by Benjamin Smith Barton. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    hundred perches in length, and from about one hundred and fifty to twenty-five or twen- ty in breadth. The town, as it has been called, is a large level, encompafied by walls, nearly in form of a fquare, the fides of which are from ninety-fix to eighty-fix perches in length. (See plate I. fig. i, 2, 3, & 4). Thefe walls are, in general, about ten feet in height, above the level on which they ftand, and about twenty feet in diameter at the bafe, but at the top they are much narrower; they are, at prefent, overgrown with vege- tables of different kinds, and, among others, with trees of feveral feet diameter. The chasms, or openings in the walls, were probably intended for gateways : they areThree in number at each fide, befides the fmaller openings in the angles. Within the walls there are three ele- vations, each about fix feet in height, with regular afeents to them : it is unne- ceffary to deferibe thefe elevations, as they /