Die Niederen Organismen : ihre Reizphysiologie und Psychologie - Jennings, H. S. (Herbert Spencer), 1868 -1947 (Druck und Verlag Von B.G. Teubner, 1914)

North American Acalephæ - Agassiz, Alexander, 1835 -1910 ([University Press: Welch, Bigelow, & Co.], 1865)

North American Acalephæ / by Alexander Agassiz - Agassiz, Alexander, 1835 -1910 (For sale by Sever and Francis, 1865)

North American Acalephae - Agassiz, Alexander, 1835 -1910 ([University press: Welch, Bigelow, & co.], 1865)

North American birds eggs - Reed, Chester A. (Chester Albert), 1876 -1912 (Dover Pub, 1965)

The Northern microscopist, and microscopical news (1881)

The Northern microscopist, and microscopical news (1882)

La notarisia : commentarium phycologicum : rivista trimestrale consacrata all studio delle alghe - Wildeman, E. de (Emile), 1866 -1947 (1891)

A note book for practical biology - University of Cambridge. (Biological laboratory, 1914)

Notes on British hydroid zoophytes and other subjects (polyzoan, conchological & geological) - Connold, Edward T., 1862 -1910 (Burfield & Pennells, 1902)

Notices of the Proceedings at the meetings of the members of the Royal Institution - Royal Institution of Great Britain. (1851)

Notizen aus dem Gebiete der Natur- und Heilkunde (Druck und Verlag des Landes-Industrie-Comptoirs, 1847)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1836)

Nouveaux mémoires de l'Académie royale des sciences et belles-lettres de Bruxelles - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1844)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1783)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1836)

Novitates conchologicae. Series prima. Mollusca extramarina. Beschreiber und Abbildung, neuer oder kritischer Land-und Süsswasser-Mollusken - Fischer, Theodor, (T. Fischer, 1867)

Novitates conchologicae. Series prima. Mollusca extramarina. Beschreiber und Abbildung, neuer oder kritischer Land-und Süsswasser-Mollusken - Fischer, Theodor, (T. Fischer, 1879)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1854)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1861)

Observations on certain parts of the animal economy : inclusive of several papers from the Philosophical transactions, etc - Owen, Richard, 1804 -1892 (Haswell, Barrington, and Haswell, 1840)

Observations on certain parts of the animal oeconomy : inclusive of several papers from the Philosophical transactions, etc. ; Treatise on the natural history and diseases of the human teeth : explaining their structure, use, formation, growth, and diseases : in two parts - Hunter, John, 1728 -1793 (Haswell, Barrington, and Haswell, 1839)

The ocean world: being a description of the sea and its living inhabitants - Figuier, Louis, 1819 -1894 (Cassell, Petter and Galpin, 1869)

The ocean world: being a description of the sea and some of its inhabitants - Figuier, Louis, 1819 -1894 (Cassell, 1872)

The ocean world: being a description of the sea and some of its inhabitants - Figuier, Louis, 1819 -1894 (D. Appleton and Co, 1872)

The ocean world : being a descriptive history of the sea and its living inhabitants - Figuier, Louis, 1819 -1894 (Chapman and Hall, 1868)

The ocean world: being a descriptive history of the sea and its living inhabitants - Figuier, Louis, 1819 -1894 (Chapman & Hall, 1868)