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Materials for the study of variation treated with especial regard to discontinuity in the origin of species - Bateson, William, 1861 -1926 (Macmillan and co, 1894)

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Metamorphoses of Lepidoptera from San Paulo, Brazil, in the Free Public Museum, Liverpool - Moore, Frederic, 1830 -1907 (s.n, 1882)

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)

Midden-Sumatra. Reizen en onderzoekingen der Sumatra-expeditie, uitgerust door het Aardrijkskundig genootschap, 1877-1879, beschreven door de leden der expeditie, onder toezicht van Prof. P.J. Veth - Veth, Pieter Johannes, 1814 -1895 (E.J. Brill, 1881)

Midden-Sumatra. Reizen en onderzoekingen der Sumatra-expeditie, uitgerust door het Aardrijkskundig genootschap, 1877-1879, beschreven door de leden der expeditie, onder toezicht van Prof. P.J. Veth - Veth, Pieter Johannes, 1814 -1895 (E. J. Brill, 1881)

Mimicry in butterflies - Punnett, Reginald Crundall, 1875 -1967 (University press, 1915)

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Mimicry, selektion, Darwinismus. Erklärung seiner thesen über mimicry (sensu generali) auf dem im jahre 1901 in Berlin stattgefundenen 5en Internationalen zoologischen kongress vorgetragen von M. C. Piepers - Piepers, M. C. (Marinus Cornelis), 1835 -1919 (E. J. Brill, 1903)

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Mission Pavie Indo-Chine, 1879-1895. Études diverses - Pavie, Auguste, 1847 -1925 (E. Leroux, 1898)

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I molluschi dei terreni terziarii del Piemonte e della Liguria - Bellardi, Luigi, 1818 -1889 (Stamperia Reale, 1898)

I molluschi dei terreni terziarii del Piemonte e della Liguria - Bellardi, Luigi, 1818 -1889 (Stamperia Reale, 1904)

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Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1873)

Monographie du genre Camellia : traité complet sur sa culture avec la description et la classification de chaque variété ... - Berlese, Lorenzo, 1784 -1863 (Chez H. Cousin, 1845)

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, 1872)

Moths and butterflies of the United States, east of the Rocky mountains : with over 400 photographic illustrations in the text and many transfers of species from life - Denton, Sherman F. (Sherman Foote), 1856 -1937 (Bradlee Whidden, 1900)

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)

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

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

Natural history : a manual of zoology for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Charles Scribner & Co, 1865)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner, Armstrong & co, 1872)

Natural history. A manual of zoölogy for schools, colleges, and the general reader - Tenney, Sanborn, 1827 -1877 (Scribner & co, 1867)

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The natural history of Pliny - Bostock, John, 1773 -1846 (H. G. Bohn, 1855)

The natural history of Pliny - Bostock, John, 1773 -1846 (H.G. Bohn, 1855)

A natural history of the British Lepidoptera : a text-book for students and collectors - Tutt, James William, 1858 -1911 (S. Sonnenschein, 1905)

Natural history - Pliny, the Elder, 23 or 24 -79 (W. Heinemann, 1938)

Natural science (Macmillan & Co, 1898)

Natural science journal (Atlantic Scientific Bureau, 1897)

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The naturalisation of animals & plants in New Zealand - Thomson, George Malcolm 1848 -1933 (University Press, 1922)

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The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1882)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1906)

The naturalist on the Amazons : a record of adventures, habits of animals, sketches of Brazilian and Indian life, and aspects of nature under the equator during eleven years of travel / by Henry Walter Bates - Bates, Henry Walter, 1825 -1892 (G. Routledge, 1905)

A Naturalist on the Prowl, or in the Jungle. By Eha - Aitken, Edward Hamilton, 1851 -1909 (W. Thacker & Co, 1905)

The naturalist on the River Amazon - Bates, Henry Walter, 1825 -1892 (J.M. Dent, 1943)

The naturalist on the River Amazons - Bates, Henry Walter, 1825 -1892 (Dent, 1910)

The naturalist on the River Amazons - Bates, Henry Walter, 1825 -1892 (J.M. Dent, 1910)

The naturalist on the River Amazons. A record of adventures, habits of animals, sketches of Brazilian and Indian life, and aspects of nature under the equator, during eleven years of travel - Bates, Henry Walter, 1825 -1892 (J. Murray, 1892)

The naturalist on the River Amazons, A record of adventures, habits of animals, sketches of Brazilian and Indian life and aspects of nature under the Equator during eleven years of travel - Bates, Henry Walter, 1825 -1892 (J. Murray, 1863)

The naturalist on the river Amazons. A record of adventures, habits of animals, sketches of Brazilian and Indian life, and aspects of nature under the Equator, during eleven years of travel. With a memoir of the author - Bates, Henry Walter, 1825 -1892 (J. Murray, 1892)

The naturalist's guide for collecting and preserving subjects of natural history and botany : both in temperate and tropical countries, particularly shells : with descriptions of some that are highly valuable, and directions for packing the whole with security, and passing them at the Custom House - Swainson, William, 1789 -1855 (W. Wood, 1822)

The Naturalist's Miscellany - Shaw, George 1751 -1813 (Printed for Nodder & Co, 1789)

The Naturalist's Miscellany - Shaw, George 1751 -1813 (Printed for Nodder & Co, 1805)

The Naturalist's Miscellany - Shaw, George 1751 -1813 (Printed for Nodder & Co, 1812)

A naturalist's wanderings in the Eastern Archipelago, a narrative of travel and exploration from 1878 to 1883 - Forbes, Henry O. (Henry Ogg), 1851 -1932 (S. Low, Marston, Searle & Rivington, 1885)

A naturalist's wanderings in the Eastern archipelago; a narrative of travel and exploration from 1878 to 1883 - Forbes, Henry O. (Henry Ogg), 1851 -1932 (Harper & brothers, 1885)

Le Naturaliste : journal des échanges et des nouvelles - Deyrolle, Émile, 1838 -1917 (Bureaux à Paris, 1879)