211 resultados para Classification of sciences

Historia filicum : an exposition of the nature, number and organography of ferns, and review of the principles upon which genera are founded, and the systems of classification of the principal authors, with a new general arrangement; characters of the genera; remarks on their relationship to one another; their species; reference to authors; geographical distribution; etc., etc. /

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An introduction to the classification of animals. By Thomas Henry Huxley ...

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Synopsis of the classification of the animal kingdom, by Henery Alleyne Nicnolson.

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The structure and classification of birds, by Frank E. Beddard...

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Analytical keys to the genera and species of the fresh water Algæ and the Desmidieæ of the United States, founded on the classification of the Rev. Francis Wolle's monographs, by Dr. Alfred C. Stokes ...

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A history of the first half-century of the National Academy of Sciences, 1863-1913.

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1863-1913

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A history of the first half-century of the National Academy of Sciences, 1863-1913.

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1863-1913

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Structure and classification of zoophytes. By James D. Dana.

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c. 2

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On some new and little known diatoms. Communicated to the Royal Swedish Academy of Sciences September 15, 1880.

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Journal of the Washington Academy of Sciences.

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v.1 (1911)

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Journal of the Washington Academy of Sciences.

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v.3 (1913)

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Journal of the Washington Academy of Sciences.

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v.2 (1912)

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Journal of the Washington Academy of Sciences.

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v.5 (1915)

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Journal of the Washington Academy of Sciences.

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v.6 (1916)

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Journal of the Washington Academy of Sciences.

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v.4 (1914)

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