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Scientific American Supplement, No. 286, June 25, 1881
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 20. December, 1877
Various
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Lippincott's Magazine, November 1885
Various
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Philosophical Transactions of the Royal Society - Vol 1 - 1666
Various
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Appletons' Popular Science Monthly, April 1900
Various
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Buchanan's Journal of Man, July 1887
-
Scientific American Supplement No. 819, September 12, 1891
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 15, No. 85, January, 1875
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 22. July, 1878.
Various
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Lippincott's Magazine of Popular Literature and Science, Vol. 12, No. 32, November, 1873
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 12, No. 31, October, 1873
Various
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Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880
Various
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Scientific American Supplement, No. 711, August 17, 1889
Various
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Lippincott's Magazine of Popular Literature and Science, Vol. 22, November, 1878
Various
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Buchanan's Journal of Man, March 1887
-
Scientific American, Volume XLIII., No. 25, December 18, 1880
Various
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Scientific American Supplement, No. 821, September 26, 1891
Various
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Scientific American, Volume 22, No. 1, January 1, 1870
Various
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Scientific American Supplement, No. 392, July 7, 1883
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 26, May, 1873
Various
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Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 27, June, 1873
Various
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Scientific American Supplement, No. 647, May 26, 1888
Various
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Scientific American, Vol. XXXIX.No. 6. [New Series.], August 10, 1878
Various
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Scientific American Supplement, No. 430, March 29, 1884
Various
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Buchanan's Journal of Man, January 1888
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