A manual of the Mollusca; being a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (C. Lockwood, 1880)

A manual of the mollusca; or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the Mollusca : or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the mollusca; or, Rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the Mollusca; or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the Mollusca : a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Virtue & Co, 1868)

A manual of the Mollusca: a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Virtue Brothers & Co, 1866)

Manual of the natural history, geology, and physics of Greenland, and the neighboring regions : prepared for the use of the Arctic Expedition of 1875, under the direction of the Arctic Committee of the Royal Society, for the use of the expedition ; published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (H.M. Stationery Off., printed by G.E. Eyre and W. Spottiswoode, 1875)

Manual of the natural history, geology and physics of Greenland and the neighbouring regions / prepared for the use of the Arctic expedition of 1875, under the direction of the Arctic Committee of the Royal Society and edited by T. Rupert Jones. Together with Instructions suggested by the Arctic Committee of the Royal Society for the use of the expedition / published by authority of the Lords Commissioners of the Admiralty - Great Britain. Admiralty. (Printed for H.M.S.O, 1875)

Manual of the New Zealand Mollusca. A systematic and descriptive catalogue of the marine and land shells, and of the soft mollusks and Polyzoa of New Zealand and the adjacent islands - Hutton, Frederick Wollaston, 1836 -1905 (Printed at the office of J. Hughes, 1880)

Manual of the New Zealand mollusca - Suter, Henry 1841 -1918 (J. Mackay, govt. printer, 1913)

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (The Macmillan Company, 1900)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1912)

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1900)

A manual of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan & co., ltd, 1899)

A manual of zoology for the use of students - Nicholson, Henry Alleyne, 1844 -1899 (R. Hardwicke, 1870)

Manuel de conchyliologie et de paleontologie conchyliologique : ou, Histoire naturelle des mollusques vivants et fossiles - Fischer, Paul, 1835 -1893 (F. Savy, 1887)

Manuel de conchyliologie, ou, Histoire naturelle des mollusques vivants et fossiles - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Savy, 1870)

Manuel de malacologie et de conchyliologie - Turpin, P. J. F. (Pierre Jean François), 1775 -1840 (F. G. Levrault, 1825)

Marine and estuarine environments, organisms, and geology of the Cape Cod region; an indexed bibliography, 1665-1965 - Marine Biological Laboratory (Woods Hole, Mass.). Systematics-Ecology Program. (Systematics Ecology Program, Marine Biological Laboratory, 1966)

Marine investigations in South Africa - Cape of Good Hope (South Africa). Department of Agriculture. (W.A. Richards & Sons, 1908)

The marine mammals in the Anatomical Museum of the University of Edinburgh - Turner, Wm., Sir, (William), 1832 -1916 (Macmillan, 1912)

Marine shells of South Africa: a catalogue of all the known species - Sowerby, G. B. (George Brettingham), 1843 -1921 (Sowerby, 1892)

Marine shells of the western coast of Flordia - Perry, Louise Merrimon, 1878 - (Paleontological Research Institution, 1955)

Maryland geological survey - Maryland Geological Survey. (The Johns Hopkins Press, 1916)

Materialien zur Naturgeschichte der Insel Celebes - Sarasin, Fritz, 1859 -1942 (C.W. Kreidel's Verlag, 1901)

Materials for the palaeontology of New Zealand - Thomson, James Allan, 1881 -1928 (J. Mackay, 1913)

Matériaux pour la paléontologie suisse, ou, Recueil de monographies sur les fossiles du Jura et des Alpes - Pictet, François Jules, 1809 -1872 (H. Georg, 1861)

Mathematische und naturwissenschaftliche Berichte aus Ungarn - Magyar Tudományos Akadémia. (R. Friedländer & Sohn [etc.], 1883)

Mathematische und naturwissenschaftliche Berichte aus Ungarn - Magyar Tudományos Akadémia. (R. Friedländer & Sohn [etc.], 1909)

Mathematische und naturwissenschaftliche Berichte aus Ungarn - Magyar Tudományos Akadémia. (R. Friedländer & Sohn [etc.], 1910)

Mathematische und naturwissenschaftliche Berichte aus Ungarn - Magyar Tudományos Akadémia. (R. Friedländer & Sohn [etc.], 1913)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1890)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1891)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1896)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1900)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1901)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1909)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1896)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1898)

Meddelelser om Grønland - Denmark. Kommissionen for ledelsen af de geologiske og geografiske undersøgelser i Grønland. (C. A. Reitzels Forlag, 1918)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1868)

Mélanges biologiques tirés du Bulletin de l'Académie impériale des sciences de St. Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Eggers et comp, 1873)

Mélanges paléontologiques. planches XX!-XXXVI, reproduisant les Gastéropodes nouveaux ou peu connus des terrains crétacés de Belgique. 2me partie, avec dix planches [&] - Ryckholt, P. de, Baron (Hayez, 1853)

The Australian Museum Memoir (Australian Museum, 1889)

The Australian Museum Memoir (Australian Museum, 1899)

The Australian Museum Memoir (Australian Museum, 1962)

Memoir of W. H. Harvey : M.D., F.R.S., etc., etc., late professor of botany, Trinity College, Dublin. with selections from his journal and correspondence - Harvey, William H. (William Henry), 1811 -1866 (Bell and Daldy, 1869)

Mémoire sur les terrains de sédiment supérieurs calcaréo-trappéens du Vicentin et sur quelques terrains d'Italie, de France, d'Allemagne, etc., qui peuvent se rapporter a la même époque - Brongniart, Alexandre, 1770 -1847 (F.G. Levrault, 1823)

Mémoires couronnés et mémoires des savants étrangers / publiés par l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1843)