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Notes and References
This item contains 4 references.
*Harper's Weekly, August 15, 1868, p. 523.
*his paper in the "Proceedings of the American Association for the Advancement of Science," August, 1850.
*Report of the Commissioners on the British Museum, 1850, Nos. 5956-5961.
*Mr. Abbot's Statement, p. 48.