Memoirs of the Geological Survey of India - Geological Survey of India. (Pub. by order of the Governor-General of India, 1913)

Memoirs of the Geological Survey of New South Wales. Palaeontology - Geological Survey of New South Wales. (C. Potter, 1898)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1897)

Memoirs of the National Museum of Victoria - National Museum of Victoria (National Museum of Victoria, 1951)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1866)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1869)

Memorias da Academia Real das Sciencias de Lisboa. Classe de sciencias mathematicas, physicas e naturaes - Academia Real das Sciencias de Lisboa. (A Academia, 1878)

Memorie della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano - Museo civico di storia naturale di Milano. (La Società, 1992)

Merkwürdige versteinerungen aus der petrefactensammlung des verstorbenen wirklichen geh. raths freiherrn v. Schlotheim : Mit 66 kupfertafeln - Schlotheim, E. F. Freiherr von, (Ernst Friedrich), 1764 -1832 (Becker, 1832)

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)

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

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

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1881)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1885)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1887)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1888)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1892)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1893)

The mineral conchology of Great Britain; or, Coloured figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the earth - Sowerby, James de Carle, 1787 -1871 (Printed by B. Meredith [etc.], 1812)

The mineral conchology of Great Britain; or, Coloured figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the earth - Sowerby, James de Carle, 1787 -1871 (Printed by B. Meredith [etc.], 1818)

The mineral conchology of Great Britain; or, Coloured figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the earth - Sowerby, James de Carle, 1787 -1871 (Printed by B. Meredith [etc.], 1829)

The mineral conchology of Great Britain; or, Coloured figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the earth - Sowerby, James de Carle, 1787 -1871 (Printed by B. Meredith [etc.], 1834)

Minerals and geology of central Canada : comprising the provinces of Ontario and Quebec - Chapman, E. J. (Edward John), 1821 -1904 (Copp, Clark, 1888)

The minerals and geology of central Canada, comprising the provinces of Ontario and Quebec - Chapman, E. J. (Edward John), 1821 -1904 (The Copp, Clark company (limited), 1888)

Mines and mineral statistics of New South Wales, and notes on the geological collection of the Department of mines comp. by direction of the Hon. John Lucas, M.P., minister for mines. Also remarks on the sedimentary formations of N.S. Wales - Centennial Exhibition (1876 : Philadelphia, Pa.) (T. Richards, Govt. Printer, 1875)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1887)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1889)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1906)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1915)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1917)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1919)

Mittheilungen der Naturforschenden Gesellschaft in Bern - Naturforschende Gesellschaft in Bern. (Naturforschenden Gesellschaft in Bern], 1891)

A monograph of the British fossil Crustacea, belonging to the order Merostomata - Woodward, Henry, 1832 -1921 (Printed for the Palæontographical Society, 1866)

A monograph of the British fossil crustacea, belonging to the order merostomata - Woodward, Henry, 1832 -1921 (Printed for the Palæontographical Society)

A monograph of the British Stromatoporoids - Nicholson, Henry Alleyne, 1844 -1899 (Printed for the Palæontographical Society, 1889)

A monograph of the British Stromatoporoids - Nicholson, Henry Alleyne, 1844 -1899 (Printed for the Palæontographical Society, 1891)

A monograph of the British Stromatoporoids - Nicholson, Henry Alleyne, 1844 -1899 (Printed for the Palæontographical Society, 1888)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1850)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1853)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1854)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1858)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1860)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1864)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1863)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1866)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1867)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1869)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1871)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1872)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1882)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1883)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1884)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1886)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1889)