A monograph of the British marine annelids - M'Intosh, William Carmichael, 1838 -1931 (The Ray society, 1915)

A monograph of the British naked-eyed Medusæ : with figures of all the species - Forbes, Edward 1815 -1854 (Printed for the Ray society, 1848)

A monograph of the British nudibranchiate Mollusca - Alder, Joshua, 1792 -1867 (Printed for the Ray society, 1910)

A monograph of the British nudibranchiate Mollusca : with figures of all the species - Ray Society. (Printed for the Ray Society, 1845)

A Monograph of the British Orthoptera - Lucas, William John (Printed for the Ray Society, 1920)

A monograph of the British Spongiadæ - Norman, Alfred Merle 1831 -1918 (Pub. for the Ray society by R. Hardwicke, 1864)

A monograph of the existing crinoids - Clark, Austin Hobart, 1880 -1954 (Govt. Print. Off, 1921)

A monograph of the fossil Polyzoa of the Crag - Busk, George, 1807 -1886 (Printed for the Palæontographical society, 1859)

A monograph of the free and semi-parasitic Copepoda of the British islands - Brady, George Stewardson, 1832 -1921 (Ray Society, 1880)

A monograph of the free and semi-parasitic Copepoda of the British islands - Brady, George Stewardson, 1832 -1921 (Ray society, 1880)

A monograph of the fresh-water polyzoa : including all the known species, both British and foreign / by George James Allman - Allman, George James, 1812 -1898 (Ray Society, 1856)

A monograph of the Mycetozoa : a descriptive catalogue of the species in the Herbarium of the British Museum - British Museum (Natural History). Department of Botany. (Printed by order of the Trustees of the British Museum, 1911)

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, 1859)

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, 1884)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1888)

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

A monograph of the Silurian fossils of the Girvan district in Ayrshire with special reference to those contained in the "Gray collection" - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1878)

Monograph on the Lias Ammonites of the British islands - Wright, Thomas, 1809 -1884 (Printed for the Palæontographical society, 1881)

Monographia Melastomacearum : continens plantas huius ordinis, hucusque collectas, praesertim per regnum Mexici, in provinciis Caracarum et Novae Andalusiae, in Peruvianorum, Quitensium, Novae Granatae Andibus, ad Orinoci, fluvii Nigri, fluminis Amazonum rupas nascentes - Humboldt, Alexander von, 1769 -1859 (a la Libraire grecque-latin-allemand, 1816)

Monographiae Ammoniteorum et Goniatiteorum specimen / auctore Guilielmo de Haan - Haan, W. de (Willem), 1801 -1855 (H.W. Hazenberg, 1825)

Monographie de la famille des cactées : comprenant la synonymie, les diverses méthodes de classification proposées jusqu'à ce jour pour sa division en genres et sous-genres, et quelques notes sur la germination et la physiologie - Labouret, J. (Dusacq, 1853)

Monographie du genre Conus - Bernardi, A.-C., -1863 (J. Rothschild, 1858)

Monographs on the Isopods of North America - Richardson, Harriet (Govt. print. off, 1905)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1871)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1873)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1874)

Monthly microscopical journal: transactions of the Royal Microscopical Society, and record of histological research at home and abroad - Royal Microscopical Society (Great Britain) (R. Hardwicke, 1876)

Monthly report of the Department of Agriculture ... - United States. Dept. of Agriculture. Division of Statistics. (G.P.O, 1863)

The morality of nature - Gibson, Robert Williams, 1854 -1927 (Putnam, 1923)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1876)

Morphology of invertebrate types - Petrunkevitch, Alexander, 1875 -1964 (MacMillan, 1916)

Morphology of invertebrate types - Petrunkevitch, Alexander, 1875 -1964 (Macmillan Company, 1916)

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)

The Museum (W.F. Webb, 1898)

The Museum (W.F. Webb, 1899)

Museum Normanianum, or A catalogue of the invertebrata of Europe, and the Arctic and North Atlantic oceans, which are contained in the collection of the Rev. Canon A. M. Norman, ... . I.-XII. Printed for private distribution - Norman, Alfred Merle 1831 -1918 (Morton, printer, 1886)

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, quadrupeds, birds, reptiles, fishes, shells, and insects, including the insects destructive to agriculture - White, Adam, 1817 -1879 (William MacKenzie, 1869)

Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft - Deutsche Malakozoologische Gesellschaft (Verlag W. Küchler, 1877)

Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft - Deutsche Malakozoologische Gesellschaft (Verlag W. Küchler, 1879)

Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft - Deutsche Malakozoologische Gesellschaft (Verlag W. Küchler, 1881)

Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft - Deutsche Malakozoologische Gesellschaft (Verlag W. Küchler, 1885)

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)

National list of scientific plant names - United States. Soil Conservation Service. (U.S. Dept. of Agriculture, Soil Conservation Service, 1982)

National Museum, Victoria, Marine Invertebrate Registers - Museums Victoria (National Museum of Victoria, 1860)

National Museum, Victoria, Marine Invertebrate Registers - Museums Victoria (National Museum of Victoria, 1863)

National Museum, Victoria, Marine Invertebrate Registers - Museums Victoria (National Museum of Victoria, 1867)

National Museum, Victoria, Marine Invertebrate Registers - Museums Victoria (National Museum of Victoria, 1894)

National Museum, Victoria, Marine Invertebrate Registers - Museums Victoria (National Museum of Victoria, 1882)

National Museum, Victoria, Marine Invertebrate Registers - Museums Victoria (National Museum of Victoria, 1880)

National Museum, Victoria, Register Zoological Collection - Museums Victoria (National Museum of Victoria, 1859)

National Museum, Victoria, Register Zoological Collection - Museums Victoria (National Museum of Victoria, 1867)

National Museum, Victoria, Register Zoological Collection - Museums Victoria (National Museum of Victoria, 1878)

National Museum, Victoria, Register Zoological Collection - Museums Victoria (National Museum of Victoria, 1933)

Natürliche Schöpfungsgeschichte. Gemeinverständliche wissenschaftliche Vorträge über die Entwicklungslehre ... über die Anwendung derselben auf den Ursprung des Menschen und andere damit zusammenhängende Grundfragen der Naturwissenschaft - Haeckel, Ernst, 1834 -1919 (1868)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1880)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1882)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1883)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1884)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1885)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1886)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1887)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1888)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1889)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1890)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1891)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1892)