Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1935)

Memoranda relating to Adirondack fishes : with descriptions of new species, from researches made in 1882 - Mather, Fred, 1833 -1900 (Weed, Parsons and Co., legislative printers, 1886)

Memorials of John Ray - Smith, James Edward, 1759 -1828 (Printed for the Ray Society, 1846)

Memorias da Academia Real das Sciencias de Lisboa. Classe de sciencias mathematicas, physicas e naturaes - Academia Real das Sciencias de Lisboa. (A Academia, 1881)

Memorias de la Real Academia de Ciencias Exactas, Fisicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Impr. Aguado, 1878)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1882)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1890)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1908)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1912)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1851)

Memories of the months - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold & Co, 1922)

Memories of the months. Third series - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold, 1903)

Memories of the months. 7th series - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold & Co, 1922)

Memories of the months, being pages from the notebook of a field-naturalist and antiquary - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold, 1897)

Memories of the months. Second series - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold, 1900)

Les merveilles des fleuves et des ruisseaux - Millet, C., Aug., 1814? -1884 (Hachette et cie, 1871)

Message from the President of the United States, transmitting ... - Collins, Joseph William, 1839 -1904 (Govt. Print. Off, 1901)

Meyers Konversations-Lexikon : ein Nachschlagewerk des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1896)

Mindeskrift i anledning af hundredaaret for Japetus Steenstrups fodsel udg. af en kreds af naturforskere ved Hector F.E. Jungersen og Eug. Warming. Udgivelsen bekostet af Carlsbergfondet - Warming, Eugenius, 1841 -1924 (B. Lunos bogtrykkeri, 1914)

Mionelminthes, Trichoplax und Trematodes - Pagenstecher, H. Alexander (Heinrich Alexander), 1825 -1889 (C.F. Winter, 1889)

Mionelminthes, Trichoplax und Trematodes - Pagenstecher, H. Alexander (Heinrich Alexander), 1825 -1889 (C.F. Winter, 1892)

Mionelminthes, Trichoplax und Trematodes - Pagenstecher, H. Alexander (Heinrich Alexander), 1825 -1889 (C.F. Winter, 1893)

Mitteilungen aus dem Naturhistorischen Museum in Hamburg - Naturhistorisches Museum in Hamburg. (Lütcke & Wulff, 1901)

Mitteilungen der Geographischen Gesellschaft und des Naturhistorischen Museums in Lübeck - Geographische Gesellschaft in Lübeck (Lübcke & Nöhring, 1891)

Mitteilungen der Geographischen Gesellschaft und des Naturhistorischen Museums in Lübeck - Geographische Gesellschaft in Lübeck (Lübcke & Nöhring, 1908)

Mittheilungen aus der Zoologischen Station zu Neapal - Stazione zoologica di Napoli. (Wilhelm Engelmann, 1914)

Mittheilungen der Naturforschenden Gesellschaft in Bern - Naturforschende Gesellschaft in Bern. (Naturforschenden Gesellschaft in Bern], 1893)

Mittheilungen der Naturforschenden Gesellschaft in Zürich - Naturforschende Gesellschaft in Zürich. (1847)

Modern fish culture in fresh and salt water - Mather, Fred, 1833 -1900 (Forest and stream publishing company, 1900)

Le monde de la mer - Moquin-Tandon, Alfred, 1804 -1863 (L. Hachette, 1866)

Le monde de la mer - Frédol, Alfred. (L. Hachette & Cie, 1866)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1904)

Monograph of the native trouts of the genus Salmo of western North America - U.S. Fish; Wildlife Service (U.S. Dept. of Agriculture, Forest Service, 1979)

Monograph of the native trouts of the genus Salmo of western North America - U.S. Fish; Wildlife Service (Forest Service, U.S. Dept. of Agriculture, 1979)

Monthly Magazine or British Register (of Politics, Literature and the Belles Lettres) (1810)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1869)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1872)

Die Morphogenie der Primatenzähne : eine weitere Begründung und Ausarbeitung der Dimertheorie - Bolk, L. (Louis), 1866 -1930 (Verlag von Gustav Fischer, 1914)

Morphologische Arbeiten (G. Fischer, 1892)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1876)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1883)

The mountain - Jackson, Robert Montgomery Smith, 1815 -1865 (J. B. Lippincott & Co, 1860)

Mrs. Loudon's Entertaining naturalist, being popular descriptors, tales, and anecdotes of more than five hundred animals - Dallas, W. S. (William Sweetland), 1824 -1890 (Bell & Daldy, 1867)

Museum bulletin - Geological Survey of Canada. Museum. (Government Printing Bureau, 1915)

The museum of natural history; being a popular account of the structure, habits, and classification of the various departments of the animal kingdom: quadrupeds, birds, reptiles, fishes, shells, and insects, including the insects destructive to agriculture - Holder, Joseph B. (Joseph Bassett), 1824 -1888 (J. S. Virtue, 1877)

Name that animal; a guide to the identification of the common land and fresh-water animals of the United States, with special reference to the area east of the Rockies - Driver, Ernest Charles, 1899 - (1950)

Narrative of a second voyage in search of a north-west passage, and of a residence in the Arctic regions during the years 1829, 1830, 1831, 1832, 1833 - Ross, James Clark, Sir, 1800 -1862 (A.W. Webster, 1835)

National overview and evolution of NOAA's Estuarine Living Marine Resources (ELMR) Program - Estuarine Living Marine Resources Program (U.S.) (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, National Centers for Coastal Ocean Science, Center for Coastal Monitoring and Assessment, 2000)

Natur Cymru : a review of wildlife in Wales - Natur Cymru, (Natur Cymru, 2001)

Natur Cymru : a review of wildlife in Wales - Natur Cymru, (Natur Cymru, 2011)

Natur Cymru : a review of wildlife in Wales - Natur Cymru, (Natur Cymru, 2013)

Natur Cymru : a review of wildlife in Wales - Natur Cymru, (Natur Cymru, 2015)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1894)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1899)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1901)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1902)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1912)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1913)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1916)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1919)

The natural and civil history of Vermont - Williams, Samuel, 1743 -1817 (Isaiah Thomas and David Carlisle, 1794)

The natural history and topography of Groton, Massachusetts - Green, Samuel A. (Samuel Abbott), 1830 -1918 (J. Wilson and Son], 1912)

Natural history : Fishes - Gosse, Philip Henry, 1810 -1888 (Printed for the Society for promoting Christian knowledge, 1851)

Natural history : journal of the American Museum of Natural History - American Museum of Natural History (American Museum of Natural History, 1919)

The natural history of animals: the animal life of the world in its various aspects and relations - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (The Gresham Publishing Company, 1903)