Naturen : illustreret maanedsskrift for populaer naturvidenskab - Bergens Museum. (E. B. Giertsen [etc.], 1922)

Natürliche Schöpfungs-Geschichte : gemeinverständliche wissenschaftliche Vorträge über die Entwickelungs-Lehre - Haeckel, Ernst, 1834 -1919 (Georg Reimer, 1898)

Natürliche schöpfungsgeschichte : Gemeinverständliche wissenschaftliche vorträge über die entwickelungslehre im allgemeinen und diejenige von Darwin, Goethe und Lamarck im besonderen - Haeckel, Ernst, 1834 -1919 (George Reimer, 1889)

Natürliche Schöpfungsgeschichte. Gemeinverständliche wissenschaftliche Vorträge über die Entwickelungslehre im Allgemeinen und diejenige von Darwin, Goethe und Lamarck und Besonderen - Haeckel, Ernst, 1834 -1919 (G. Reimer, 1873)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1909)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1910)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1891)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1912)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1918)

Nemouria; occasional papers of the Delaware Museum of Natural History - Delaware Museum of Natural History. (Delaware Museum of Natural History, 1989)

Nemouria; occasional papers of the Delaware Museum of Natural History - Delaware Museum of Natural History. (Delaware Museum of Natural History, 2004)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1845)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1849)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1851)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1852)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1856)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1857)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1864)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1865)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1886)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1889)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1890)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1895)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1898)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1899)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1916)

New abyssal tropical Atlantic isopods, with observations on their biology - Menzies, Robert J. (Robert James), 1923 -1976 (American Museum of Natural History, 1798)

A new dictionary of natural history; or, Compleat universal display of animated nature ... - Mavor, William Fordyce, 1758 -1837 (Printed for Harrison, 1785)

New essentials of biology presented in problems - Hunter, George W. (George William), 1873 -1948 (American Book Co, 1928)

The new natural history - Lydekker, Richard, 1849 -1915 (Merrill, 1901)

A new species of the genus Heteromysis (Crustacea, Mysidacea) from the Bahama Islands, commensal with a sea-anemone - Lerner Marine Laboratory. (American Museum of Natural History, 1955)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1916)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1917)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1924)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1926)

New Zealand journal of science (1884)

Newsletter / Edinburgh Natural History Society - Edinburgh Natural History Society, (1965)

NOAA technical report NMFS SSRF - United States. National Marine Fisheries Service. (National Marine Fisheries Service, 1971)

NOAA technical report NMFS SSRF - United States. National Marine Fisheries Service. (National Marine Fisheries Service, 1977)

NOAA technical report NMFS SSRF - United States. National Marine Fisheries Service. (National Marine Fisheries Service, 1979)

NOAA technical report NMFS SSRF - United States. National Marine Fisheries Service. (National Marine Fisheries Service, 1981)

NOAA technical report NMFS SSRF - United States. National Marine Fisheries Service. (National Marine Fisheries Service, 1983)

Nomenclator zoologicus. An alphabetical list of all generic names that have been employed by naturalists for recent and fossil animals from the earliest times to the close of the year 1879 ... - Scudder, Samuel Hubbard, 1837 -1911 (Govt. Print. Off, 1882)

Nomenclator zoologicus : continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, adjectis auctoribus, libris, in quibus reperiuntur, anno editionis, etymologia et familiis, ad quas pertinent, in singulis classibus - Agassiz, Louis, 1807 -1873 (Jent et Gassmann, 1842)

Nomenclatoris zoologici index universalis : continens nomina systematica classium, ordinum, familiarum et generum animalium omnium ... homonymiis plantarum - Agassiz, Louis, 1807 -1873 (Sumptibus Jent et Gassman, 1848)

A nomenclature of British entomology, ... - Samouelle, George. (1819)

Die nordischen isopoden - Tattersall, Walter Medley, 1882 -1943 (Lipsius & Tischer, 1911)

Die nordischen Schizopoden - Zimmer, Carl, 1873 -1950 (Lipsius & Tischer, 1909)

Nordisches Plankton - Brandt, Karl Andreas Heinrich, 1854 -1931 (Lipsius & Tischer, 1901)

Nordisches Plankton ; zoologischer teil - Brandt, Karl Andreas Heinrich, 1854 -1931 (Lipsius & Tischer, 1901)

North American cestodes of the order Pseudophyllidea parasitic in marine and fresh water fishes - Cooper, Arthur Reuben, 1888 - (1917)

North American index fossils, invertebrates - Grabau, Amadeus W. (Amadeus William), 1870 -1946 (A.G. Seiler, 1909)

Nota sui crostacei decapodi - Senna, Angelo. (M. Ricci, 1903)

Notes on crustacea collected by Dr. G.M. Dawson at Vancouver and the Queen Charlotte Islands - Smith, Sidney I. (Sidney Irving) 1843 -1926 (s.n, 1879)

Notes on gatherings of crustacea, collected for the most part by the fishery steamer "Garland" and the steam trawler "St. Andrew" of Aberdeen, and examined during the year 1900 - Scott, Thomas, 1840 -1929 (Fishery Board, 1900)

Notes on methods for the narcotization, killing, fixation, and preservation of marine organisms - Marine Biological Laboratory (Woods Hole, Mass.). Systematics-Ecology Program. (Marine Biological Laboratory, Systematics-Ecology Program, 1963)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1865)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1873)

Nouvelles archives du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (Masson et Cie, 1906)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1913)

Nova acta Regiae Societatis Scientiarum Upsaliensis - Kungl. Vetenskaps-societeten i Uppsala. (Almqvist & Wiksells, 1886)

Novapex : trimestriel de la Société belge de malacologie - Société belge de malacologie. (La Société, 2010)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (Friedrich Frommann, 1860)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1843)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (Friedrich Frommann, 1857)

Nuove relazioni intorno ai lavori - R. Stazione di entomologia agraria in Firenze. (1902)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1863)

Observations on living Brachiopoda - Boston Society of Natural History. (Boston Society of Natural History, 1902)

Observations on the Astacidae in the United States National Museum and in the Museum of Comparative Zoology, with descriptions of new species - Faxon, Walter, 1848 -1920 (Smithsonian Institution Press, 1898)

Occasional papers - Boston Society of Natural History. (1893)

Occasional papers of the Boston Society of Natural History - Boston Society of Natural History. (Boston Society of Natural History, 1905)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1893)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1900)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1966)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1985)

Oceanic birds of South America : a study of species of the related coasts and seas, including the American quadrant of Antarctica, based upon the Brewster-Sanford collection in the American Museum of Natural History - Jaques, Francis Lee, 1887 -1969 (Macmillan Co, 1936)

Official lists and indexes of names and works in zoology. Supplement 1986-2000 - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, c/o Natural History Museum, 2001)

Official lists and indexes of names and works in zoology - International Commission on Zoological Nomenclature (ICZN, 1987)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1853)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1852)

Öfversigt af Kongl. Vetenskaps-akademiens forhandlingar - Kungl. Svenska vetenskapsakademien. (P. A. Norstedt & Söner, 1901)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1920)

On a new genus of the Crustacea, and the species on which it is established. Read July 8, 1817 - Say, Thomas, 1787 -1834 (Academy of Natural Sciences of Philadelphia, 1817)

On buds and stipules - Lubbock, John, Sir, 1834 -1913 (K. Paul, Trench, Trübner, 1899)

On buds and stipules - Lubbock, John, Sir, 1834 -1913 (K. Paul, Trench, Trübner & Co., ltd, 1899)

On growth and form - Thompson, D'Arcy Wentworth, 1860 -1948 (University press, 1917)

On growth and form - Thompson, D'Arcy Wentworth, 1860 -1948 (University Press, 1945)

On Lepidoptera Heterocera from China, Japan, and Corea - Leech, John Henry, 1862 -1900 (1897)

On new or rare crustacea of the order Cumacea : from the collection of the Copenhagen Museum - Zoological Society of London. (Royal Zoological Society, 1907)

On some crustaceans from the Falkland Islands collected by Mr. Rupert Vallentin - Vallentin, Rupert (s.n, 1900)

On some new and rare crustacea from the Scottish seas - Scott, Thomas, 1840 -1929 (Fishery Board, 1905)

On the Britannic species of Crangon and Galathea; with some remarks on the homologies of these groups - Kinahan, John Robert, 1823 -1863 (M.H. Gill, 1861)

On the Carboniferous xiphosurous fauna of North America - National Academy of Sciences (U.S.) (G.P.O, 1885)

On the classification and geographical distribution of Crustacea - Dana, James Dwight, 1813 -1895 (C. Sherman, 1853)

On the classification and geographical distribution of crustacea; from the report on crustacea of the United States exploring expedition, under Captain Charles Wilkes, U.S.N., during the years 1838-1842 - Dana, James Dwight, 1813 -1895 (Sherman, 1853)

On the power, wisdom and goodness of God, as manifested in the creation of animals, and in their history, habits and instincts - Kirby, William, 1759 -1850 (Carey, Lea & Blanchard, 1836)

I. On the Syncarida, a hitherto undescribed synthetic group of extinct malacostracous Crustacea ; II. On the Gampsonychidæ, an undescribed family of fossil schizopod Crustacea ; III. On the Anthracaridæ, a family of Carboniferous macrurous decapod Crustracea - National Academy of Sciences (U.S.) (G.P.O, 1886)

On two orders of Arachnida : Opiliones, especially the suborder Cyphophthalmi, and Ricinulei, namely the family Cryptostemmatoidae - Royal Society (Great Britain) (University Press, 1904)

The opal sea; continued studies in impressions and appearances - Van Dyke, John Charles, 1856 -1932 (C. Scribner's sons, 1906)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1945)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1958)

Opinions and declarations rendered by the International Commission on Zoological Nomenclature - International Commission on Zoological Nomenclature (Printed by order of the International Trust for Zoological Nomenclature, 1959)

Oppian, Colluthus, Tryphiodorus, with an English translation by A.W. Mair - Colluthus, of Lycopolis. (W. Heinemann, 1928)

Die Organisation der Trilobiten aus ihren lebenden Verwandten entwickelt - Burmeister, Hermann, 1807 -1892 (Georg Reimer, 1843)

The organization of Trilobites, deduced from their living affinities. With a systematic review of the species hitherto described - Bell, Thomas, 1792 -1880 (Printed for the Ray Society, 1846)