volume xxi, p. 71, note 47.--ED.

[31] On Shawneetown and the Shawnee Indians see our volume i, p. 23, note 13, and p. 138, note 108.--ED.

[32] For a brief statement on the salines, see James's _Long's Expedition_, in our volume xiv, p. 58, note 11.--ED.

[33] An excellent account of the Mound Builders is given by Lucien Carr in Smithsonian Institution _Report_, 1891 (Washington, 1893), pp. 503-599; see also Cyrus Thomas, "Report on Mound Explorations" in United States Bureau of Ethnology _Report_ (1890-91).--ED.

[34] Hanging Rock is the name given to a high sandstone escarpment on the right bank of the river, three miles below Ironton, Ohio.--ED.

[35] Blennerhasset's Island is two miles below Parkersburg, West Virginia. For its history, see Cuming's _Tour_, in our volume iv, p. 129, note 89.--ED.

[36] A brief description of Rock Inn Cave (or Cave-in-Rock) may be found in Cuming's _Tour_, in our volume iv, p. 273, note 180.--ED.

[37] For Schoolcraft, see Gregg's _Commerce of the Prairies_, in our