Life-histories of the birds of eastern Pennsylvania - Gentry, Thomas G. (Thomas George), 1843 -1905 (Pub. by the author, 1876)

Life in its lower, intermediate, and higher forms : or, manifestations of the divine wisdom in the natural history of animals - Gosse, Philip Henry, 1810 -1888 (James Nisbet, 1857)

Life in its lower, intermediate, and higher forms, or, Manifestations of the Divine Wisdom in the natural history of animals - Gosse, Philip Henry, 1810 -1888 (Robert Carter & Bros, 1857)

Life in its lower, intermediate, and higher forms; or, Manifestations of the divine wisdom in the natural history of animals - Gosse, Philip Henry, 1810 -1888 (J. Nisbet, 1857)

The life of an insect ... - Society for Promoting Christian Knowledge (Great Britain). General Literature Committee. (The Society for promoting Christian knowledge, 1851)

The life of North American insects - Jaeger, B. (Benedict), 1789 -1869 (Harper, 1864)

The life of North American insects - Preston, Henry C. (Harper & Brothers, 1859)

The life of North American insects - Preston, Henry C. (Harper, 1859)

The life of North American insects - Preston, Henry C. (Harper, 1864)

Life stories of Australian insects - Brewster, Agnes A. (Dymock's Book Arcade, 1920)

The life-story of insects - Carpenter, George H. (George Herbert), 1865 -1939 (University Press, 1913)

The life-story of insects, by Geo. H. Carpenter - Carpenter, George H. (George Herbert), 1865 -1939 (University press, 1913)

Light and the behavior of organisms - Mast, Samuel Ottmar, 1871 -1947 (J. Wiley & Sons; [etc., etc.], 1911)

Light and the behavior of organisms - Mast, Samuel Ottmar, 1871 - (J. Wiley & Sons; [etc., etc.], 1911)

The Lingnaam agricultural review - Ling Nan Da Xue (Guangzhou, China) (College Press, 1927)

The lipids, their chemistry and biochemistry - Deuel, Harry James, 1897 -1956 (Interscience Publishers, 1957)

List of publications of the Bureau of Entomology - United States. Bureau of Entomology. (United States Dept. of Agriculture, Bureau of Entomology, 1906)

List of publications of the Bureau of Entomology - United States. Bureau of Entomology. (U.S. Dept. of Agriculture, Bureau of Entomology, 1909)

List of publications of the Bureau of Entomology - United States. Bureau of Entomology. (U.S. Dept. of Agriculture, Bureau of Entomology, 1908)

List of publications of the Bureau of Entomology - United States. Bureau of Entomology. (U.S. Dept. of Agriculture, Bureau of Entomology, 1910)

A List of the insects of New York : with a list of the spiders and certain other allied groups - Leonard, Mortimer Demarest, 1890 - (Cornell University, 1928)

List of the specimens of dipterous insects in the collection of the British museum - Gray, John Edward 1800 -1875 (Printed by order of the Trustees, 1848)

Literature cited. Catalog of the Diptera of the Australasian and Oceanian regions - Thompson, F. Christian. (Bishop Museum and E. J. Brill, 1989)

The living flora of West Virginia - Millspaugh, Charles Frederick, 1854 -1923 (Wheeling News Litho. Co, 1913)

Lonchocarpus species (Barbasco, Cube, Haiari, Nekoe, and Timbo) used as insecticides - Roark, R. C. (Ruric Creegan) (U.S. Dept. of Agriculture, Bureau of Entomology and Plant Quarantine, Division of Insecticide Investigations, 1936)

London Naturalist - London Natural History Society. (London Natural History Society, 1981)

London Naturalist - London Natural History Society. (London Natural History Society, 1992)

Lotos : Zeitschrift für Naturwissenschaften - Deutscher Naturwissenschaftlich-Medizinischer Verein für Böhmen "Lotos." (1856)

Loudon's Natural History. Popular descriptions, tales and anecdotes of more than five hundred animals - Loudon, J. C. (John Claudius), 1783 -1843 (G. Bell and sons, 1889)

The lower fungi Phycomycetes - Fitzpatrick, Harry Morton, 1886 -1949 (McGraw-Hill, 1930)

Magazin der Entomologie - Ahrens, August, 1779 -1841 (Joh. Chr. Hendel, 1815)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology - Loudon, J. C. (John Claudius), 1783 -1843 (printed for Longman, Rees, Orme, Brown, and Green, 1829)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology - Loudon, J. C. (John Claudius), 1783 -1843 (printed for Longman, Rees, Orme, Brown, and Green, 1831)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology - Loudon, J. C. (John Claudius), 1783 -1843 (printed for Longman, Rees, Orme, Brown, and Green, 1832)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology - Loudon, J. C. (John Claudius), 1783 -1843 (printed for Longman, Rees, Orme, Brown, and Green, 1834)

Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology - Loudon, J. C. (John Claudius), 1783 -1843 (printed for Longman, Rees, Orme, Brown, and Green, 1836)

The Magazine of natural history / conducted by Edward Charlesworth - Charlesworth, Edward. (s.n.], 1838)

A maggot trap in practical use : an experiment in house-fly control - Hutchison, R. H. (Robert Harris), 1886 - (U.S. Dept. of Agriculture, 1915)

Maison rustique du XIXe siècle ... Rédigé et professé par une réunion d'agronomes et de praticiens appartenant aux sociétés agricoles de France sous la direction du Dr. Alexandre Bixio - Alexandre, Jacques, 1808 -1865 (Librarie agricole, 1844)

Malacologia - Institute of Malacology. (Institute of Malacology], 1979)

Malacologia - Institute of Malacology. (Institute of Malacology], 2009)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1887)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1894)

Malpighia :rassegna mensuale di botanica - Penzig, O. (Ottone), 1856 -1929 (g. Capra & co, 1913)

The management and feeding of cattle - Shaw, Thomas, 1843 -1918 (Orange Judd Co, 1909)

Mantis Study Group newsletter - Mantis Study Group. (Mantis Study Group, 1996)

Mantis Study Group newsletter - Mantis Study Group. (Mantis Study Group, 1997)

Mantissa insectorum, exhibens species nuper in Etruria - Rossi, Pietro, fl 1790 - (Ex typ. Polloni, 1792)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1897)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock publishing company, inc, 1938)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Kessinger Pub, 1895)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1897)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock, 1923)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1904)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Publishing Company, 1916)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (The Comstock Pub. Co., 1920, 1920)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1895)

A manual for the study of insects - Comstock, John Henry, 1849 -1931 (Comstock Pub. Co, 1930)

Manual of elementary zoology - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (Oxford University Press, 1958)

A manual of elementary zoology - Borradaile, L. A. (Lancelot Alexander), 1872 -1945 (H. Frowde, Hodder & Stoughton, 1920)

A Manual of entomology - Shuckard, William Edward, 1802 -1868 (E. Churchton, 1836)

Manual of entomology : with special reference to economic entomology - Maxwell-Lefroy, H. (Harold), 1877 -1925 (Longmans, Green & Co, 1923)

A manual of histological pharmacognosy and bacteriology - Darbaker, Leasure Kline. (1921)

Manual of human and comparative histology - Power, Henry, 1829 -1911 (The New Sydenham Society, 1870)

A manual of scientific terms, pronouncing, etymological, and explanatory, chiefly comprising terms in botany, natural history, anatomy, medicine, and veterinary science, with an appendix of specific names. Designed for the use of junior medical students, and others studying one or other of these sciences - Stormonth, James, 1824 -1882 (Maclachlan and Stewart, 1885)

A manual of the infusoria, including a description of all known flagellate, ciliate, and tentaculiferous protozoa, British and foreign and an account of the organization and affinities of the sponges - Saville-Kent, William 1845 -1908 (David Bogue, 1881)

A manual of the Infusoria : including a description of all known flagellate, ciliate, and tentaculiferous protozoa, British and foreign, and an account of the organization and the affinities of the sponges - Saville-Kent, William 1845 -1908 (D. Bogue, 1880)

Manual of tropical medicine - Chalmers, Albert John, 1870 -1920 (Baillière, Tindall and Cox, 1919)

A manual of veterinary hygiene - Smith, Frederick, 1857 -1929 (W. R. Jenkins, 1911)

A manual of zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1912)

Manuel d'histoire naturelle médicale - Royal College of Physicians of Edinburgh. (G. Bailliere, 1871)

Marcellia - Institut de botanique de Strasbourg. (Pergamon Press [etc.], 1905)

Marvels of insect life ; a popular account of structure and habit - Step, Edward, 1855 -1931 (R. M. McBride, 1916)

Maryland naturalist - Natural History Society of Maryland (The Society, 1993)

Mémoire en résponse à la question suivante: éclaircir par des observations nouvelles le phénomène de la circulation dans les insectes, en recherchant si on peut la reconnaître dans les larves des différents ordres de ces animaux - Verloren, Margaretus Cornelis, 1816 -1900 (1844)

Mémoires de la Société impériale des sciences naturelles de Cherbourg - Société Imperiale des Sciences Naturelles de Cherbourg. (J.B. Baillière et fils, 1868)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1895)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1900)

Métamorphoses mœurs et instincts des insectes (insectes, myriapodes, arachnides, crustacés) - Blanchard, Emile, 1819 -1900 (G. Baillière, 1868)

Memórias do Instituto Oswaldo Cruz - Instituto Oswaldo Cruz (1914)

Memórias do Instituto Oswaldo Cruz - Instituto Oswaldo Cruz (1916)

Memoir - Cornell University. Agricultural Experiment Station. (1921)

Memoir - Cornell University. Agricultural Experiment Station. (1923)

Mémoire descriptif sur la forêt impériale de Biaowieza, en Lithuanie - Brincken, Juljusz, 1792 -1846 (N. Glücksberg, 1828)

Mémoires couronnés et mémoires des savants étrangers / publiés par l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1845)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1870)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1871)

Mémoires de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1851)

Mémoires de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1861)

Mémoires de l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (1865)

Memoires de la Société (Royale) des sciences, de l'agriculture et des arts à Lille - Société des sciences de l'agriculture et des arts de Lille (Société (Royale) des sciences, de l'agriculture et des arts à Lille, 1843)

Memoires de la Société (Royale) des sciences, de l'agriculture et des arts à Lille - Société des sciences de l'agriculture et des arts de Lille (Société (Royale) des sciences, de l'agriculture et des arts à Lille, 1850)

Memoires de la Société (Royale) des sciences, de l'agriculture et des arts à Lille - Société des sciences de l'agriculture et des arts de Lille (Société (Royale) des sciences, de l'agriculture et des arts à Lille, 1851)

Mémoires de la Société royale des sciences de Liège - Société royale des sciences de Liège. (La Société, 1873)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1966)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1968)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1969)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1978)

Mémoires du Muséum national d'histoire naturelle. Série A, Zoologie - Muséum national d'histoire naturelle (France) (Éd. du Muséum, 1991)

Mémoires presentés a L'Institut des Sciences, Lettres et Arts, par divers savants èt lus dans ses assemblées : Sciences, Mathématiques et Physiques - Académie royale des sciences (France) (1830)