The mechanism of evolution in leptinotarsa - Tower, William Lawrence, 1872 - (Carnegie Institution of Washington, 1918)

Medfly cooperative eradication program : draft environmental impact statement, April 1993 - United States. Animal; Plant Health Inspection Service. (The Service, 1993)

Mémoires du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Editions du Museum, 1948)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1959)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1974)

Memoirs of the Queensland Museum - Queensland Museum. (Queensland Museum, 1978)

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, 1996)

Mendel's principles of heredity - Bateson, William, 1861 -1926 (University Press, 1913)

Mendel's principles of heredity, by W. Bateson - Bateson, William, 1861 -1926 (University Press, 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)

Microbial control of insect pests : future strategies in pest management systems; selected papers from NSF - USDA - University of Florida workshop, Gainesville, Florida, [January 10-12, 1978] - Allen, George E. (s.n, 1978)

Miscellaneous papers on oenothera - Vries, Hugo de, 1848 -1935 (1902)

Miscellaneous papers on the zoology of Michigan - Andrews, A. W. (W.H. Crawford Co., state printers, 1916)

Miscellaneous papers on the zoology of Michigan - Hankinson, Thomas Leroy, 1876 - (W. H. Crawford Co., state printers, 1916)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1963)

Mitigating the effects of exotic pests on trade and agriculture. proceedings of a workshop held at Campbell Agricultural Center, Homestead, Florida, June 16-18, 1999. Part A, the Caribbean - Tropical; Subtropical Agriculture Research Program (U.S.) (T-STAR, 1999)

Mitteilungen aus der Entomologischen Gesellschaft zu Halle a. S - Entomologische Gesellschaft zu Halle a. S. (Quelle & Meyer, 1911)

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1976)

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1985)

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 2001)

Mitteilungen der Münchner Entomologischen Gesellschaft - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 2002)

Mitteilungen der Schweizerischen Entomologischen Gesellschaft = Bulletin de la Société entomologique suisse - Schweizerische Naturforschende Gesellschaft. (Schweizerische Entomologische Gesellschaft, 1878)

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], 1877)

Mittheilungen des Münchener Entomologischen Vereins - Münchener Entomologischer Verein. (T. Ackermann, 1877)

Die Mneme als erhaltendes Prinzip im Wechsel des organischen Geschehens - Semon, Richard Wolfgang, 1859 -1918 (Engelmann, 1911)

Monatsschrift des Vereines zur Beförderung des Gartenbaues in den Königl. Preussischen Staaten für Gärtnerei und Pflanzenkunde - Verein zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten. (In Kommission bei Wiegandt, Hempel & Parey [etc.], 1877)

Monthly letter - United States. Bureau of Entomology. (1917)

Monthly letter - United States. Bureau of Entomology. (1922)

Monthly letter - United States. Bureau of Entomology. (1924)

Monthly letter - United States. Bureau of Entomology. (1931)

Monthly letter - United States. Bureau of Entomology. (1934)

Moyens de combattre les insectes des jardins et des vergers - Québec (Province). Dept. of Agriculture. (Cie de Publication "Le Soleil", 1912)

Nachrichtenblatt der Bayerischen Entomologen - Münchner Entomologische Gesellschaft. (Münchner Entomologische Gesellschaft, 1958)

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, 1909)

Natural history - Bernard, Henry Meyners, 1853 -1909 (D. Appleton and company, 1897)

Natural history of the animal kingdom for the use of young people : in three parts, comprising I. Mammalia : II. Birds : Part III. Reptiles, amphibia, fishes, insects, worms, molluscs, zoophytes, &c. : with 91 coloured plates, including about 850 figures, and numerous additional illustrations in the text - Kirby, W. F. (William Forsell), 1844 -1912 (E. & J.B. Young and Co, 1889)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1880)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2005)

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1922)

Les Naturalistes belges - Fédération Des Sociétés Belges Des Sciences De La Nature. (La Fédération, 1923)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1907)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1909)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1920)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1922)

Nature in Avon - Bristol Naturalists' Society (Bristol, England) (Bristol Naturalists' Society, 2004)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1910)

Neem's potential in pest management programs : proceedings of the USDA Neem Workshop, Beltsville, Maryland, April 16-17, 1990 - Lawson, Roger, H. (U.S. Dept. of Agriculture, Agricultural Research Service, 1990)

The new natural history - Lydekker, Richard, 1849 -1915 (Merrill, 1901)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1926)

News letter - United States. Bureau of Entomology; Plant Quarantine. (Bureau of Entomology and Plant Quarantine, 1934)

The next generation; a study of the physiology of inheritance - Jewett, Frances Gulick, 1854 -1937. (Ginn and Company, 1914)

The next generation; a study in the physiology of inheritance, by Frances Gulick Jewett ... - Jewett, Frances Gulick, 1854 -1937. (Ginn and Company, 1914)

Ninth annual report of the United States Geological and Geographical Survey of the Territories : embracing Colorado and parts of adjacent territories; being a report of progress of the exploration for the year 1875 - Geological; Geographical Survey of the Territories (U.S.) (Govt. Print. Off, 1877)

nong ye ke xue zhuan ti bao gao ji can kao zi liao ji 农业科学专题报告及参考资料集 - zhong yang nong ye bu mi qiu lin nong ye zhi wu xuan zhong ji liang zhong fan yu jiang xi ban 中央农业部米丘林农业植物选种及良种繁育讲习班 (zhong guo ke xue yuan 中国科学院, 1953)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1917)

The Ohio journal of science - Ohio Academy of Science. (Ohio Academy of Science, 1921)

The ontogeny of insects; [papers] - Ceskoslovenská akademie ved. Sekce biologicka-lékarská. (Academic Press, 1960)

Opera e periodicis collata - Vries, Hugo de, 1848 -1935 (A. Oosthoek, 1918)

Outlines of evolutionary biology - Dendy, Arthur, 1865 -1925 (Constable, 1912)

Outlines of evolutionary biology - Dendy, Arthur, 1865 -1925 (D. Appleton and company, 1914)

Oversigt over det Kongelige Danske videnskabernes selskabs forhandlinger = Bulletin de l'Académie royale des sciences et des lettres de Danemark - Kongelige Danske videnskabernes selskab. (A.F. Høst, 1875)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1882)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1932)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1971)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1974)

Papers on the cotton boll weevil and related and associated insects - United States. Bureau of Entomology. (U.S. Dept. of Agriculture, Bureau of Entomology, 1906)

Pesticides documentation bulletin - National Agricultural Library (U.S.) (National Agricultural Library, U.S. Dept. of Agriculture, #c 1965-1969, 1965)