[233] Chapter II, p. 127.

[234] Henry Gillman, The Ancient Men of the Great Lakes, in Proceedings of the American Association for the Advancement of Science, 24th meeting, at Detroit, 1875, p. 317; also American Journal of Arts and Science, 1874, vol. cvii, p. 1 et seq., and Sixth Annual Report of Peabody Museum, pp. 12–20.

[235] Opportunity did not permit to obtain the exact (absolute) capacity.

[236] Artificially perforated.

[237] Very retreating frontal.

[238] Very protuberant occipital.

[239] Artificially perforated.

[240] With epactal bone 1.5 in length. It may be interesting to mention that I find occasionally in our mounds a tendency to the formation of the epactal bone by a sudden approach of the sutures immediately below the apex of the occipital—a sort of transitional state.

[241] Recent Explorations of Mounds near Davenport, Iowa, in Proceedings of American Association for the Advancement of Science, 24th meeting, 1875, pp. 297 et seq.

[242] Dr. Farquharson considers that some of his measurements in inches are scarcely accurate enough, and gives the following table in the decimals of a metre: