The naturalist's assistant; a hand-book for the collector and student, with bibliography of fifteen hundred works necessary for the systematic zoölogist - Kingsley, J. S. (John Sterling), 1854 -1929 (S. E. Cassino, 1882)

A naturalist's rambles about home - Abbott, Charles Conrad, 1843 -1919 (D. Appleton and Company, 1884)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1882)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1872)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1875)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1876)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1879)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1881)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1882)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1883)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1884)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1887)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1888)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1890)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1892)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1896)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1897)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1898)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1899)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1901)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1902)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1907)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1908)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1911)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1914)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1916)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1919)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1921)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1923)

Nature net - Nature Kenya. (East Africa Natural History Society, 2003)

The nature of biological diversity - Allen, John M. (John Morgan), 1924 - (McGraw-Hill, 1963)

The nature-study review - American Nature Study Society. (Comstock Pub. Co, 1905)

The Nature-study review : devoted to all phases of nature-study in elementary schools - American Nature Study Society. ([M.A. Bigelow], 1907)

Naturgeschichte der Lurche. (Amphibiologie) - Knauer, Friedrich K. (Friedrich Karl), 1850 -1926 (A. Pichler's Witwe & Sohn, 1883)

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 Reise nach Mossambique, auf Befehl Seiner Majestät des Königs Friedrich Wilhelm IV, in den Jahren 1842 bis 1848 ausgeführt, von Wilhelm C. H. Peters. Zoologie - Peters, Wilhelm C. H. (Wilhelm C. Hartwig), 1815 -1883 (G. Reimer, 1882)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1897)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1900)

Natuurkundig tijdschrift voor Nederlandsch Indië - Koninklijke Natuurkundige Vereeniging in Nederlandsch Indië. (Lange, 1920)

Natuurlyke historie : of, Uitvoerige beschryving der dieren, planten, en mineraalen - Linné, Carl von, 1707 -1778 (By F. Houttuyn [and others], 1765)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1991)

Necturus; a laboratory manual - Adams, Leverett A. (Leverett Allen), 1877 - (Macmillan, 1926)

Necturus, an urodele amphibian - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt and company, 1907, 1907)

Nel Darien e nell' Ecuador : risultati zoologici - Festa, Enrico, 1868 -1939 (s.n, 1906)

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, 1870)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1885)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1887)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1888)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1830)

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, 1912)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1921)

Neurological foundations of animal behavior - Herrick, C. Judson (Charles Judson), 1868 -1960 (Holt, 1924)

A new Amazonian species of Adenomera (Anura, Leptodactylidae) from the Brazilian state of Pará : a tody-tyrant voice in a frog - Haddad, Célio F. B. (American Museum of Natural History, 2019)

A new amphibian cestode - Dickey, Lloyd Blackwell. (1917)

New biology - Smallwood, W. M. (William Martin), 1873 -1949 (Allyn and Bacon, 1934)

New civic biology : presented in problems - Hunter, George W. (George William), 1873 -1948 (American book Co, 1926)

A new crown-group frog (Amphibia, Anura) from the early Cretaceous of northeastern Inner Mongolia, China - Gao, Keqin, 1955 - (American Museum of Natural History, 2017)

A new cryptic species of microhylid frog (genus Cophixalus) from Papua New Guinea, with notes on related forms - Zweifel, Richard George, 1926 -2019 (American Museum of Natural History, 1979)

A new dichromatic species of Myotis (Chiroptera: Vespertilionidae) from the Nimba Mountains, Guinea - Simmons, Nancy B. (American Museum of Natural History, 2021)

A new frog from an Eocene oil-well core in Nevada - Hecht, Max K., 1925 - (American Museum of Natural History, 1960)

A new frog of the genus Ctenophryne (Microhylidae) from the Pacific lowlands of northwestern South America - Zweifel, Richard George, 1926 -2019 (American Museum of Natural History, 1989)

A new generic and family position for Bufo Borbonica - Davis, D. Dwight (Delbert Dwight), (1935)

A new genus and species of leptodactylid frog from Australia - Moore, John Alexander, 1915 -2002 (American Museum of Natural History, 1958)

A new genus and species of microhylid frog from the Cerro de la Neblina region of Venezuela and a discussion of relationships among New World microhylid genera - Zweifel, Richard George, 1926 -2019 (American Museum of Natural History, 1986)

A new genus for Elosia duidensis Rivero (Amphibia, Leptodactylidae) from southern Venezuela - Lynch, John D. (American Museum of National History, 1979)

A new genus of genyophrynine microhylid frogs from New Guinea - Zweifel, Richard George, 1926 -2019 (American Museum of Natural History, 1995)

A new genus of microteiid lizard from the Caparaó Mountains, southeastern Brazil, with a discussion of relationships among Gymnophthalminae (Squamata) - Pavan, Dante (American Museum of Natural History, 2009)

A new herpetofauna from Cerro Yaví, Venezuela : first results of the Robert G. Goelet American Museum-Terramar Expedition to the northwestern tepuis - Myers, Charles W. (American Museum of Natural History, 1996)

A new leptodactylid frog of the genus Notaden from northern Australia - Hosmer, William, herpetologist. (American Museum of Natural History, 1962)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2010)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2015)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1920)

A new poison frog (Dendrobates) from Andean Colombia : with notes on a lowland relative - Myers, Charles W. (American Museum of Natural History, 1987)

A new poison frog from Amazonian Brazil : with further revision of the quinquevittatus group of Dendrobates - Myers, Charles W. (American Museum of Natural History, 1990)

A new species of Elosia (Amphibia, Salientia) from Mt. Duida, Venezuela - Tate, G. H. H. (George Henry Hamilton), 1894 -1953 (American Museum of Natural History, 1968)

A new species of Hyla from Cerro Colorado, and other tree frog records and geographical notes from western Panama - Myers, Charles W. (American Museum of Natural History, 1982)

A new species of leopard frog (Rana pipiens complex) from the Plains of the central United States - Mecham, John S. (The Museum, Texas Tech University, 1973)

A new species of Marmosops (Marsupialia, Didelphidae) from the Pakaraima Highlands of Guyana, with remarks on the origin of the endemic Pantepui mammal fauna - Lim, Burton K. (American Museum of Natural History, 2013)

A new species of marsupial frog (Anura: Hylidae: Gastrotheca) from the Cordillera Azul in Peru - Lehr, Edgar (Natural History Museum, University of Kansas, 2001)

A new species of microhylid frog, genus Oreophryne, from Papua New Guinea - Zweifel, Richard George, 1926 -2019 (American Museum of Natural History, 2003)

New species of microhylid frogs from the Owen Stanley Mountains of Papua New Guinea and resurrection of the genus Aphantophryne - Zweifel, Richard George, 1926 -2019 (American Museum of Natural History, 1989)

A new species of spiny pocket mouse (Heteromyidae, Heteromys) endemic to western Ecuador - Anderson, Robert P. (American Museum of Natural History, 2002)

New species of stream-breeding hylid frogs from the northern versant of the highlands of Oaxaca, Mexico - Campbell, Jonathan A. (Natural History Museum, University of Kansas, 2000)

A new species of toad (Bufo) indigenous to southern Ceylon - Bogert, Charles M. (Charles Mitchill), 1908 -1992 (American Museum of Natural History, 1966)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1925)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1941)

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1934)

Niederländisches Archiv für Zoologie (A.C. Kruseman; Leiden : E.J. Brill; Leipzig : C.F. Winter, 1873)

Nomenclator reptilium et amphibiorum musei zoologici Berolinensis : Namenverzeichnis der in der zoologischen Sammlung der Koeniglichen Universität zu Berlin aufgestellten Arten von Reptilien und Amphibien nach ihren Ordnungen, Familien und Gattungen - Lichtenstein, Hinrich, 1780 -1857 (1856)

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)