Memoirs of the Wernerian Natural History Society - Wernerian Natural History Society. ([The Society], 1838)

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

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, 1890)

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, 1891)

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, 1909)

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, 1913)

Memorias de la Real Academia de Ciencias y Artes de Barcelona - Real Academia de Ciencias y Artes de Barcelona. (1919)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1883)

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)

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)

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)

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)

Minutes - Conchological Club of Southern California. (The Club, 1944)

Minutes - Conchological Club of Southern California. (The Club, 1947)

Die miocene Flora und Fauna Spitzbergens - Cramer, Karl Eduard, 1831 -1901 (P.a. noratedt, 1870)

Mitteilungen aus dem Naturhistorischen Museum in Hamburg - Naturhistorisches Museum in Hamburg. (Lütcke & Wulff, 1890)

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, 1910)

Mollusca - Fleming, John, 1785 -1857 ([Adam and Charles Black], 1830)

Mollusca - Dunker, Wilhelm, 1809 -1885 (s.n, 1875)

Mollusca dredged and collected by T.A. Verkruzen, in 1876, in the neighbourhood of St. John's Newfoundland including a few species obtained from the Bay of Fundy - Verkrüzen, T. A. (J.C. Withers, 1877)

Mollusca dredged and collected by T.A. Verkruzen in 1876, in the neighbourhood of St. John's, Newfoundland : including a few species obtained from the Bay of Fundy - Verkrüzen, T. A. (J. C. Withers, 1877)

Mollusca. (Freshwater Gastropoda & Pelectpoda) - Preston, Hugh Berthon. (Taylor and Francis; [etc., etc.], 1915)

The Mollusca of the Firth of Clyde, being a catalogue of recent marine species found in that estuary - Brown, Alfred (Hugh Hopkins, 1878)

Mollusca testacea marium britannicorum : a history of the British marine testaceous Mollusca distributed in their natural order, on the basis of the organization of the animals : with references and notes on every British species - Clark, William, of Bath. (J. Van Voorst, 1855)

Molluscan biostratigraphy of the Miocene, middle Atlantic coastal plain of North America - Ward, Lauck W. (Virginia Museum of Natural History, 1992)

Molluscorum Britanniæ synopsis : A synopsis of the Mollusca of Great Britain - Gray, John Edward 1800 -1875 (J. van Voorst, 1852)

Molluscous animals, including shell fish : containing an exposition of their structure, systematical arrangement, physical distribution, and dietetical uses, with a reference to the extinct races - Fleming, John, 1785 -1857 (Black, 1837)

Molluscous animals, including shellfish ... Forming the article 'Mollusca' in the 7th ed. of the Encyclopædia britannica - Fleming, John, 1785 -1857 (A. and C. Black, 1837)

Die Molluskenfauna des Eisfjordes - Odhner, Nils Hj. (Nils Hjalmar), 1884 -1973 (Almqvist & Wiksell, 1915)

Mollusks, Echnioderms, Coelenterates, etc. Part A Mollusks, Recent and Pleistocene - Dall, William Healey, 1845 -1927 (F.A. Acland, 1924)

Mollusks of the Atlantic coast of the United States : south to Cape Hatteras - Apgar, A. C. (Austin Craig), 1838 -1908 (Lucas & co, 1891)

The mollusks of western North America - Carpenter, Philip P. (Philip Pearsall), 1819 -1877 (Smithsonian Institution, 1872)

The mollusks of western North America embracing the second report made to the British Association on this subject, with other papers, reprinted by permission, with a general index - British Association for the Advancement of Science. (Smithsonian Institution, 1872)

Les mollusques : décrits et figurés d'après la classification - Cuvier, Georges, baron, 1769 -1832 (J. B. Baillière, 1868)

Monitore zoologico italiano - Unione zoologica italiana. (Instituto anatomico della R. Università di Siena, 1917)

A monograph of the Crag mollusca; or, Descriptions of shells from the middle and upper Tertiaries of the east of England - Wood, Searles V. (Searles Valentine), 1798 -1880 (Palaeontographical Society, 1850)

A monograph of the Crag Mollusca : with descriptions of shells from the upper Tertiaries of the British Isles - Wood, Searles V. (Searles Valentine), 1798 -1880 (Printed for the Palæontographical society, 1848)

A monograph of the Crag Mollusca; with descriptions of shells from the upper Tertiaries of the British Isles - Wood, Searles V. (Searles Valentine), 1798 -1880 (Printed for the Palaeontographical Society, 1851)

A monograph of the Crag Mollusca; with descriptions of shells from the upper Tertiaries of the British Isles - Wood, Searles V. (Searles Valentine), 1798 -1880 (Printed for the Palaeontographical Society, 1872)

A monograph of the Eocene bivalves of England - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1861)

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, 1857)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1861)

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, 1873)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1874)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1877)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1881)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1894)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1920)

A monograph of the Permian fossils of England - Palaeontographical Society (Great Britain) (Printed for the Palæontographical Society, 1850)

A monograph of the post-tertiary Entomostraca of Scotland including species from England and Ireland - Brady, George Stewardson, 1832 -1921 (Printed for the Palæontographical Society, 1874)

A monograph of the seal-islands of Alaska - Elliott, Henry Wood, 1846 -1930 (Govt. Print. Off, 1882)

A monograph on Carbonicola, Anthracomya, and Niadites - Hind, Wheelton, 1859 -1920 (Printed for the Palæontographical Society, 1894)

Monograph on the British fossil elephants. By A. Leith Adams - Adams, Andrew Leith, 1827 -1882 (Printed for the Palæontographical society, 1881)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1876)

Musei Doevereniani catalogus - Brugmans, Sebald Justinus, 1763 -1819 (1785)

Museum Boltenianum, sive, Catalogus cimeliorum e tribus regnis naturae quae olim collegerat Joa. Fried. Bolten .... - Bolten, Joachim Friedrich, 1718 -1796 (Typis Johan. Christi. Trappii, 1798)

Museum Boltenianum, sive, Catalogus cimeliorum e tribus regnis naturae quae olim collegerat Joa. Fried. Bolten - British Museum (Natural History) (British Museum (Natural History)], 1906)

Museum bulletin - New York State Museum. (University of the State of New York, 1912)

Museum naturalium Academiae upsaliensis cujus partem primam [-XXXIII, ultimam] - Thunberg, Carl Peter, 1743 -1828 (Typis Edmannianis, 1804)

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)

Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft - Deutsche Malakozoologische Gesellschaft (Verlag W. Küchler, 1872)

Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft - Deutsche Malakozoologische Gesellschaft (Verlag W. Küchler, 1873)

Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft - Deutsche Malakozoologische Gesellschaft (Verlag W. Küchler, 1886)

Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft - Deutsche Malakozoologische Gesellschaft (Verlag W. Küchler, 1887)

Narrative of a voyage to the Polar Sea during 1875-76 in H.M. ships 'Alert' and 'Discovery' - Feilden, H. W. (Henry Wemyss), 1838 -1921 (S. Low, Marston, Searle, & Rivington, 1878)

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)

Narrative of a voyage to the Polar Sea during 1875-6 in H.M. ships 'Alert' and 'Discovery' - Nares, George S. Sir (George Strong), 1831 -1915 (S. Low, Marston, Searle, & Rivington, 1878)

Narrative of a voyage to the Polar Sea during 1875-76 in H.M. ships 'Alert' and 'Discovery' - Nares, George S. Sir (George Strong), 1831 -1915 (S. Low, Marston, Searle, & Rivington, 1878)

Die Natur - Müller, Karl, 1818 -1899 (G. Schwetschke, 1852)

The natural history of British shells : including figures and descriptions of all the species hitherto discovered in Great Britain, systematically arranged in the Linnean manner, with scientific and general observations on each ; in five volumes - Donovan, E. (Edward), 1768 -1837 (Printed for the Author, and for F.C. and J. Rivington, by Bye and Law, 1801)

The natural history of British shells : including figures and descriptions of all the species hitherto discovered in Great Britain, systematically arranged in the Linnean manner, with scientific and general observations on each - Donovan, E. (Edward), 1768 -1837 (Printed for the Author, and for F. and C. Rivington, 1801)

The natural history of Ireland - Thompson, William, 1823 -1903 (Reeve, Benham and Reeve, 1849)

The natural history of Ireland - Thompson, William, 1823 -1903 (Reeve, Benham and Reeve, 1856)

Natural history of New York (D. Appleton, 1842)

Natural history of New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1843)

Natural history of New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1842)