Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1884)

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. (1915)

Memorie della Reale Accademia delle Scienze dell'Istituto di Bologna, Classe di Scienze Fisiche - R. Accademia delle scienze dell'Istituto di Bologna. (1923)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1884)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1903)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1910)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1911)

Les merveilles de la nature : l'homme et les animaux : description populaire des races humaines et des règne animal - Brehm, Alfred Edmund, 1829 -1884 (J.-B. Bailliere et Fils, 1893)

Methodi naturalis avium disponendarum tentamen. Försök till fogelklassens naturenliga uppställnung - Sundevall, Carl J., 1801 -1875 (Samson & Wallin, 1872)

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Verlag des Bibliographischen Instituts, 1890)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1875)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John Van Voorst, 1856)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1883)

Miscellanea entomologica; revue entomologique internationale - Union entomologique. (1897)

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, 1890)

Mitteilungen der Schweizerischen Entomologischen Gesellschaft = Bulletin de la Société entomologique suisse - Schweizerische Naturforschende Gesellschaft. (Schweizerische Entomologische Gesellschaft, 1882)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1909)

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

The mmmalia in their relation to primeval times - Schmidt, Oscar, 1823 -1886 (Kegan Paul, Trench & co, 1885)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1864)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1881)

Monatsschrift der Gesellschaft des Vaterländischen Museums in Böhmen (1828)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1897)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1902)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1890)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1914)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1916)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1918)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1921)

Monografía de los mamíferos de Yucatán - Gaumer, George F, 1851 -1929 (Departamento de talleres gráficos de la Secretaría de fomento, 1917)

A monograph of the Hirundinidae : or family of swallows - Sharpe, Richard Bowdler, 1847 -1909 (Printed for the authors, 1885)

Monograph of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The Museum, 1972)

A monograph on the structure and development of the shoulder-girdle and sternum on the Vertebrata - Parker, William Kitchen William Kitchen Parker 1823 -1890 (R. Hardwicke, 1868)

A monographic study of the American marsupial, Caenolestes - Herrick, C. Judson (Charles Judson), 1868 -1960 (Field Museum of Natural History, 1921)

Monographie der Nematoden - Schneider, Anton, 1831 -1890 (G. Reimer, 1866)

Monographs of North American Rodentia - Coues, Elliott, 1842 -1899 (Govt. print. off, 1877)

Monographs of North American rodentia - Coues, Elliott, 1842 -1899 (G.P.O, 1877)

More natural history essays - Renshaw, Graham. (Sherratt & Hughes, 1905)

Morphologische Arbeiten (G. Fischer, 1892)

Morphologische Arbeiten (G. Fischer, 1893)

Morphologische Arbeiten (G. Fischer, 1896)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1876)

Morphology and anthropology : a handbook for students - Duckworth, W. L. H. (Wynfrid Laurence Henry), 1870 -1956 (University Press, 1904)

Musée Vrolik. Catalogue de la collection d'anatomie humaine, comparée et pathologique de M.M. Ger. et W. Vrolik ... - Vrolik, W. (Willem), 1801 -1863 (Impr. de W. J. de Roever Kröber, 1865)

Musei Leveriani explicatio, anglica et latina - Shaw, George 1751 -1813 (Impensis Jacobi Parkinson, 1792)

Museum Leskeanum : regnum animale quod ordine systematico - Leske, Nathanael Gottfried, 1751 -1786 (Sumptibus haeredum I.G. Mülleri, 1789)

Museum naturalium Academiae upsaliensis cujus partem primam [-XXXIII, ultimam] - Thunberg, Carl Peter, 1743 -1828 (Typis Edmannianis, 1819)

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)

The museum of natural history, with introductory essay on the natural history of the primeval world : being a popular account of the structure, habits, and classification of the various departments of the animal kingdom: quadruped, birds, reptiles, fishes, shells, and insects, including the insects destructive to agriculture - White, Adam, 1817 -1879 (Mackenzie, 1859)

The museum of natural history, with introductory essay on the natural history of the primeval world : 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 - White, Adam, 1817 -1879 (William MacKenzie, 1869)

Museum Senckenbergianum : Abhandlungen aus dem Gebiete der beschreibenden Naturgeschichte - Senckenbergische Naturforschende Gesellschaft. (J.D. Sauerländer, 1845)

Mycographie suisse, ou, Description des champignons qui croissent en Suisse, particulie`rement dans le canton de Vaud, aux environs de Lausanne - Secretan, Louis, 1758 -1839 (Impr. de P.A. Bonnant, 1833)

Mycological writings of C. G. Lloyd - Lloyd, C. G. (Curtis Gates), 1859 -1926 (1906)

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 the surveying voyages of His Majesty's Ships Adventure and Beagle between the years 1826 and 1836, describing their examination of the southern shores of South America, and the Beagle's circumnavigation of the globe - Darwin, Charles, 1809 -1882 (Henry Colburn, 1839)

Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle between the years 1826 and 1836 : describing their examination of the southern shores of South America and the Beagle's circumnavigation of the globe : in three volumes - Darwin, Charles, 1809 -1882 (Henry Colburn, 1839)

Narrative of the surveying voyages of His Majesty's ships Adventure and Beagle, between the years 1826 and 1836, describing their examination of the southern shores of South America, and the Beagle's circumnavigation of the globe - Darwin, Charles, 1809 -1882 (H. Colburn, 1839)

The National geographic magazine - National Geographic Society (U.S.) (National Geographic Society, 1918)

Das Nationalmuseum der Naturgeschichte zu Paris : von seinem ersten Ursprunge bis zu seinem jetzigen Glanze - Fischer von Waldheim, Gotthelf, 1771 -1853 (Verlegt bei Fridrich Esslinger, 1803)

The native and wild mammals of Connecticut - Adams, Sherman W. (Sherman Wolcott), 1836 -1898 (Case, Lockwood, & Brainard, 1896)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1898)

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, 1904)

Natural history - Bernard, Henry Meyners, 1853 -1909 (D. Appleton and company, 1897)

Natural history. Mammalia - Gosse, Philip Henry, 1810 -1888 (Society for Promoting Christian Knowledge, 1848)

Natural history - Wood, J. G. (John George), 1827 -1889 (G. Routledge, 1896)

Natural history - Wood, J. G. (John George), 1827 -1889 (G. Routledge, 1891)

Natural history - Lydekker, Richard, 1849 -1915 (Hutchinson, 1897)