Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1861)

Memorie della Società italiana di scienze naturali (G. Bernardoni, 1867)

Memorie della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano - Museo civico di storia naturale di Milano. (La Società, 1918)

Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1825)

Memories of the months. Fifth series - Maxwell, Herbert, Sir, 1845 -1937 (E. Arnold, 1909)

Merveilles de la nature : les insectes, les myriopodes, les arachnides et les crustaces - Brehm, Alfred Edmund, 1829 -1884 (J.-B. Baillière et Fils, 49 rue Hautefeuille, près du boulevard Saint-Germain, 1882)

Meyers Konversations-Lexikon : eine Encyklopädie des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Verlag des Bibliographischen Instituts, 1890)

The micro-organisms of the soil - Russell, Edward J. Sir, (Edward John), 1872 -1965 (Longmans, Green, 1923)

The microscope and its lessons. A story of the invisible world; with pictorial descriptions of its inhabitants - Crowther, James (G. Cauldwell, 1891)

The microscope and its lessons. A study of the invisible world; with pictorial descriptions of its inhabitants - Crowther, James (G. Cauldwell, 1891)

The microscope, and its revelations - Carpenter, William Benjamin, 1813 -1885 (Blanchard and Lea, 1856)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (J. & A. Churchill, 1875)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (Blakiston, 1891)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (J. & A. Churchill, 1901)

The microscope: and its revelations - Carpenter, William Benjamin, 1813 -1885 (Blanchard and Lea, 1856)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (John Churchill, 1856)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (W. Wood & Co, 1883)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (J. Churchill, 1857)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (Blanchard and Lea, 1856)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (P. Blackiston's Sons and Co, 1901)

The microscope and its revelations - Carpenter, William Benjamin, 1813 -1885 (John Churchill and Sons, 1868)

The microscope : its history, construction, and application ; being a familiar introduction to the use of the instrument and the study of microscopical science - Hogg, Jabez, 1817 -1899 (G. Routledge, 1858)

The microscope: its history, construction, and application, being a familiar introduction to the use of the instrument and the study of microscopial science - Hogg, Jabez, 1817 -1899 (Routledge, Warnes, and Routledge, 1859)

The microscope made easy: or, I. The nature, uses and magnifying powers of the best kinds of microscopes ... II. An account of what surprizing discoveries have been already made by the microscope ... - Baker, Henry, 1698 -1774 (Printed for R. and J. Dodsley, and sold by M. Cooper, 1754)

The microscopic cabinet of select animated objects : with a description of the jewel and doublet microscope, test objects, &c. to which are subjoined, memoirs on the verification of microscopic phenomena, and an exact method of appreciating the quality of microscopes and engiscopes by C.R. Goring - Pritchard, Andrew, 1804 -1882 (Whittaker, Treacher, and Arnot, Ave-Maria-Lane, 1832)

The microscopic cabinet of select animated objects; with a description of the jewel and doublet microscope, test objects, &c - Pritchard, Andrew, 1804 -1882 (Whittaker, Treacher, and Arnot, 1832)

Microscopic objects, animal, vegetable and mineral; with instructions for preparing and viewing them - Pritchard, Andrew, 1804 -1882 (Whittaker, 1847)

The Microscopical news, and northern microscopist (1884)

The microtomist's vade-mecum : a handbook of the methods of microscopic anatomy - Lee, Arthur Bolles, 1849 -1927 (Blakiston, 1885)

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)

Middle Missouri River planning project - Montana. Ecological Services Division. (Montana Department of Fish and Game, Ecological Services Division, 1977)

Middle Missouri River planning project : federal aid to fish and wildlife restoration project, FW-3-R-7, job completion report - Montana. Ecological Services Division. (Montana Dept. of Fish, Wildlife & Parks, Ecological Services Division, 1981)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1881)

Miscellanea entomologica; revue entomologique internationale - Union entomologique. (1899)

[Miscellaneous papers on injurious insects - Fitch, Asa, 1809 -1879 (1845)

[Miscellaneous papers on insects] - Fitch, Asa, 1809 -1879 (Joel Munsell [etc., etc.], 1846)

Miscellaneous tracts relating to natural history, husbandry, and physick : to which is added, The calendar of flora - Stillingfleet, Benjamin, 1702 -1771 (Printed: and sold by R. and J. Dodsley ... ; S. Baker ... ; and T. Payne, 1762)

Mission du Service Geographique de l'Armée pour la mesure d'un arc de méridien équatorial en Amérique du Sud sous le contrôle scientifique de l'Académie des Sciences, 1899-1906 - France. (Gauthier-Villars, Imprimeur Libraire du Bureau des Longitudes, de l'Ecole Polytechnique, 1919)

Mission scientifique du cap Horn, 1882-1883 - Mission scientifique du Cape Horn, 1882-1883. (Gauthier-Villars, 1891)

Mission scientifique du cap Horn, 1882-1883 - Mission scientifique du Cape Horn, 1882-1883. (Gauthier-Villars, 1888)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1997)

Mitteilungen aus dem Naturwissenschaftlichen Verein für Neuvorpommern und Rügen in Griefswald ... - Naturwissenschaftlicher Verein für Neuvorpommern und Rügen, Greifswald. (1903)

Mitteilungen aus den Verhandlungen der Gesellschaft Naturforschender Freunde zu Berlin - Gesellschaft Naturforschender Freunde zu Berlin. (Nicolai'sche Buchhandlung, 1836)

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1972)

Mitteilungen der Schweizerischen Entomologischen Gesellschaft = Bulletin de la Société entomologique suisse - Schweizerische Naturforschende Gesellschaft. (Schweizerische Entomologische Gesellschaft, 1880)

Mitteilungen der Schweizerischen Entomologischen Gesellschaft = Bulletin de la Société entomologique suisse - Schweizerische Naturforschende Gesellschaft. (Schweizerische Entomologische Gesellschaft, 1905)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1894)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1909)

Die Mittel zur Bekämpfung der Pflanzenkrankheiten - Hollrung, M. (Max), 1858 -1937 (P. Parey, 1914)

Mittheilungen der Naturforschenden Gesellschaft in Bern - Naturforschende Gesellschaft in Bern. (Naturforschenden Gesellschaft in Bern], 1890)

Mittheilungen der Naturforschenden Gesellschaft in Zürich - Naturforschende Gesellschaft in Zürich. (1847)

Le monde des petits êtres études sur les insectes du Canada - Beaulieu, Germain, 1870 -1944 (A. Ferland, 1908)

Monografie Radu ,,Thysanopteraʻʻ - Uzel, Jindrich, 1868 - (B. E. Tolmana, 1895)

Monograph of the British Cicadae or Tettigidae - Buckton, George Bowdler, 1817 -1905 (Macmillan & Co, 1891)

A monograph of the Culicidae, or mosquitoes. Mainly compiled from the collections received at the British museum from various parts of the world in connection with the investigation into the cause of malaria conducted by the Colonial office and the Royal society - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1901)

Monographie des Cécidomyides d'Europe et d'Algérie - Kieffer, J.-J. (Jean-Jacques), 1857 -1925 (Société Entomologique de France, 1900)

Monographs in systematic botany from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 1998)

Monographs of the Diptera of North America - Osten-Sacken, C. R. (Carl Robert), 1828 -1906 (Smithsonian Institution, 1862)

Monographs of the Diptera of North America prepared for the Smithsonian Institution by R. Osten Sacken - Osten-Sacken, C. R. (Carl Robert), 1828 -1906 (The Institution, 1869)

Monographs of the Diptera of North America - Osten-Sacken, C. R. (Carl Robert), 1828 -1906 (The Institution, 1862)

The Monthly bulletin of the State Commission of Horticulture - California. State Commission of Horticulture. (The Commission, 1911)

Monthly Magazine or British Register (of Politics, Literature and the Belles Lettres) (1808)

Monthly Magazine or British Register (of Politics, Literature and the Belles Lettres) (1804)

Monthly Magazine or British Register (of Politics, Literature and the Belles Lettres) (1827)

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)

Mosquitoes, gnats, craneflies, midges and flies of the northern states - Knobel, Edward, 1839 -1908 (B. Whidden, 1897)

The mosquitoes of North and Central America and the West Indies - Dyar, Harrison G. (Harrison Gray), 1866 -1929 (The Carnegie Institution of Washington, 1912)

The mosquitoes of North and Central America and the West Indies - Dyar, Harrison G. (Harrison Gray), 1866 -1929 (Carnegie Institution of Washington, 1912)

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)

Les moustiques, histoire naturelle et médicale - Blanchard, Raphaël, 1857 -1919 (Rudeval, 1905)

Musaeum Kircherianum sive musaeum a p. Athanasio Kirchero in Collegio Romano Societatis Jesu jam pridem incoeptum nuper restitutum, auctum, descriptum, & iconibus illustratum ... - Buonanni, Filippo, 1638 -1725 (Typis Georgii Plachi Caelaturam, 1709)

Musaeum Tradescantianum, or, A collection of rarities preserved at South-Lambeth neer London - Brooke, Nathaniel (Printed by John Grismond, and are to be sold by Nathanael Brooke, 1656)

Musée entomologique illustré : histoire naturelle iconographique des insectes : publiée par une réunion d'entomologistes français et étrangers - Bisson-Cottard (Firm) (Rothschild, 1878)

Musée entomologique illustré : histoire naturelle iconographique des insectes : publiée par une réunion d'entomologistes français et étrangers - Bisson-Cottard (Firm) (Rothschild, 1876)

Museum bulletin - New York State Museum. (University of the State of New York, 1908)

Museum bulletin - New York State Museum. (University of the State of New York, 1915)

Museum bulletin - New York State Museum. (University of the State of New York, 1916)

Museum Leskeanum : regnum animale quod ordine systematico - Leske, Nathanael Gottfried, 1751 -1786 (Sumptibus haeredum I.G. Mülleri, 1789)

Museum naturalium Academiae upsaliensis cujus partem primam [-XXXIII, ultimam] - Thunberg, Carl Peter, 1743 -1828 (Typis Edmannianis, 1796)

Museum naturalium Academiae upsaliensis cujus partem primam [-XXXIII, ultimam] - Thunberg, Carl Peter, 1743 -1828 (Typis Edmannianis, 1789)