[4] Geological Survey of Illinois, by A. H. Worthen, vol. i, (1866,) p. 38; quoted in Transactions of the Academy of Science of Saint Louis, vol. ii, (1868,) p. 567.
[5] The Natural History of the Human Species, London, 1852, p. 89. The comparative freshness of the bones of extinct North American animals was noticed by Cuvier.
[6] More particularly in Squier's "Aboriginal Monuments of New York," Buffalo, 1851, p. 126.
[7] Fig. 147 on p. 247 of the "Ancient Monuments;" Fig. 106 on p. 509 of "Flint Chips."
[8] Squier, Aboriginal Monuments of New York, p. 112, &c.
[9] Le Moyne, in De Bry, vol. ii, Francoforti ad Moenum, 1591, pl. XL.
Transcriber's Note
Obvious typographical errors repaired.
Illustrations have been moved to paragraph breaks.