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)

[Mollusques : articles and illustrations extracted from the Magasin de zoologie and the Magasin de zoologie, d'anatomie comparée et de palaeontologie] - Rémond, N. (Lequien fils, 1832)

[Mollusques : articles and illustrations extracted from the Magasin de zoologie and the Magasin de zoologie, d'anatomie comparée et de palaeontologie] - Rémond, N. (Lequien fils)

[Mollusques : articles and illustrations extracted from the Magasin de zoologie and the Magasin de zoologie, d'anatomie comparée et de palaeontologie] - Rémond, N. (Lequien fils, 1839)

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

Mollusques éocéniques de la Loire-inférieure - Cossmann, M. (Maurice), 1850 -1924 (Pequignot, 1895)

Les mollusques : introduction a l'étude de leur, organisation, développement, classification, affinités et principaux types - Coupin, Henri Eugène Victor, 1868 - (George Carré, 1892)

Les mollusques marins du Roussillon - Dautzenberg, Ph. (Philippe), 1849 -1935 (J.-B. Baillière, 1887)

Les mollusques : organisation, développement, classification, affinités et principaux types - Coupin, Henri, 1868 -1937 (G. Carré et C. Naud, 1890)

Les mollusques : organisation, développement, classification, affinités et principaux types - Coupin, Henri, 1868 -1937 (G. Carré et C. Naud, 1892)

Mollusques tertiaires du Portugal : planches de céphalopodes, gastéropodes et pélécypodes laissées - Dollfus, Gustave Frédéric, 1850 - (Imprimerie de l'Academie royale des sciences, 1903)

Mollusques vivants et fossiles - Orbigny, Alcide Dessalines d', 1802 -1857 (Adolphe Delahays, 1855)

Los moluscos de la República de Panamá - Zetek, James, 1886 - (Imp. nacional, 1918)

Moluscos del viaje al Pacífico : verificado de 1862 á 1865 por una comisión de naturalistas enviada por el Gobierno Español - Hidalgo, J. G, (Joaquín González) (Impr. de Miguel Ginesta, 1869)

Moluscos marinos de España, Portugal y las Baleares - Hidalgo, J. G, (Joaquín González) (Impr. de M. Ginesta, 1870)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1879)

Monatsschrift des Deutschen Vereins zum Schutze der Vogelwelt - Deutscher Verein zum Schutze der Vogelwelt. ([s.n.], 1882)

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

A monograph of the Capitonidae or Scansorial Barbets - Marshall, G. F. L. (George Frederick Leycester), 1843 -1934 ([s.n.], 1870)

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 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, 1879)

A monograph of the Cretaceous Lamellibranchia of England - Woods, Henry, 1868 -1952 (Printed for The Palaeontographical Society, 1908)

A monograph of the Cretaceous Lamellibranchia of England - Woods, Henry, 1868 -1952 (Printed for The Palaeontographical Society, 1913)

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

A monograph of the freshwater univalve mollusca of the United States : including notices of species in other parts of North America - Haldeman, Samuel Stehman, 1812 -1880 (E. G. Dorsey, 1842)

A monograph of the freshwater univalve mollusca of the United States, including notices of species in other parts of North America - Haldeman, Samuel Stehman, 1812 -1880 (1842)

A monograph of the Limniades and other freshwater univalve shells of North America - Haldeman, Samuel Stehman, 1812 -1880 (J. Dobson, 1840)

A monograph of the Mollusca from the Great Oolite : chiefly from Minchinhampton and the coast of Yorkshire - Lycett, John, 1882 (Printed for the Palæontographical society, 1853)

A monograph of the Mollusca from the Great Oolite chiefly from Minchinhampton and the coast of Yorkshire - Lycett, John, 1882 (Printed for the Palæontographical society, 1850)

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

Monograph of the order Pholadacea, and other papers - Tryon, George W., (George Washington), 1838 -1888 (Merrihew & Thompson, Printers, 1862)

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, 1857)

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, 1873)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1879)

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, 1908)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1912)

A monograph on the sub-class Cirripedia, with figures of all the species - Darwin, Charles, 1809 -1882 (Ray society, 1851)

Monographie de la famille des Lycopodiacées - Spring, Anton Friedrich, 1814 -1872 (M. Hayez en commission chez C. Muquardt, 1842)

Monographie der Gattung Delphinium - Huth, Ernst, 1845 -1897 (Engelmann, 1895)

Monographie der Molluskengattung Dosinia, Scopoli (Artemis, Poli.) - Römer, Eduard, 1819 -1874 (T. Fischer, 1862)

Monographie der Molluskengattung Venus, Linné - Römer, Eduard, 1819 -1874 (T. Fischer, 1869)

Monographie géologique et paléontologique des Corbières orientales - Doncieux, Louis. (A. Rey, 1903)

Monographs in systematic botany from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2006)

Monographs in systematic botany from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2009)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1894)

Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1882)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1876)

Os mosquitos no Pará. Reunião de quatro trabalhos sobre os mosquitos indigenas, principalmente as especies que molestam o homem - Goeldi, Emílio Augusto, 1859 -1917 (C. Wiegandt, 1905)

Os mosquitos no Pará. Reunião de quatro trabalhos sobre os mosquitos indigenas, principalmente as especies que molestam o homem - London School of Hygiene; Tropical Medicine. (C. Wiegandt, 1905)

Os mosquitos no Pará. Reunião de quatro trabalhos sobre os mosquitos indigenas, principalmente as especies que molestam o homen - Goeldi, Emílio Augusto, 1859 -1917 (C. Wiegandt, 1905)

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)

Mundus subterraneus, in XII libros digestus : qvo divinum subterrestris mundi opificium, mira ergasteriorum naturae in eo distributio, verbo [pantamorphon] Protei regnum, universae denique naturae majestas & divitiae summa rerum varietate exponuntur, abditorum effectuum causae acri indagine inquistae demonstrantur, cognitae per artis & naturae conjugium ad humanae vitae necessarium usum vario experimentorum apparata, necnon novo modo & ratione applicantur. Ad Alexandrum VII. pont. opt. max - Kircher, Athanasius, 1602 -1680 (apud Joannem Janssonium à Waesberge & filios, 1678)

Musaeum Regalis Societatis, or, A catalogue & description of the natural and artificial rarities belonging to the Royal Society and preserved at Gresham Colledge - Grew, Nehemiah, 1641 -1712 (Printed by W. Rawlins, for the author, 1681)