Memoirs of the Carnegie Museum - Carnegie Institute. Board of Trustees. (Published by the authority of the Board of Trustees of the Carnegie Institute, 1904)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1902)

Memoria sobre la parte forestal de la Exposicion de Lóndres de 1862 - Bosch y Juliá, Miguel, 1818 -1879 (Imprenta nacional, 1863)

Memorias de la Real Academia de Ciencias Exactas, Fisicas y Naturales de Madrid - Real Academia de Ciencias Exactas Físicas y Naturales de Madrid. (Impr. Aguado, 1897)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1903)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1875)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1883)

The microscopic anatomy of the teeth - Mummery, John Howard, 1847 - (1919)

Mindeskrift i anledning af hundredaaret for Japetus Steenstrups fodsel udg. af en kreds af naturforskere ved Hector F.E. Jungersen og Eug. Warming. Udgivelsen bekostet af Carlsbergfondet - Warming, Eugenius, 1841 -1924 (B. Lunos bogtrykkeri, 1914)

Mionelminthes, Trichoplax und Trematodes - Pagenstecher, H. Alexander (Heinrich Alexander), 1825 -1889 (C.F. Winter, 1893)

Miscellanea entomologica; revue entomologique internationale - Union entomologique. (1896)

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)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1959)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1960)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1961)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1964)

Miscellanes zoologica - Coues, Elliott, 1842 -1899 (1857)

Mitteilungen aus dem Naturwissenschaftlichen Verein für Neuvorpommern und Rügen in Griefswald ... - Naturwissenschaftlicher Verein für Neuvorpommern und Rügen, Greifswald. (1869)

Mittheilungen aus dem Jahrbuche der Kgl. ungarischen Geologischen Anstalt - Magyar Királyi Földtani Intézet. (Buchdruckerei der Stum A.-G., [etc.], 1873)

Mittheilungen der Naturforschenden Gesellschaft in Bern - Naturforschende Gesellschaft in Bern. (Naturforschenden Gesellschaft in Bern], 1874)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1887)

Mlekopitaiushchiia Kavkazskago kraia - Sakartvelos muzeumi (Impr. d'État], 1920)

Monatsschrift des Wissenschaftlichen Vereins in Zürich - Wissenschaftlicher Verein in Zürich. (1856)

A monograph of the British pleistocene mammalia - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1866)

Monograph of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The Museum, 1972)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1866)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1878)

Monographs of North American Rodentia - Coues, Elliott, 1842 -1899 (Govt. print. off, 1877)

Monographs of North American rodentia - Coues, Elliott, 1842 -1899 (G.P.O, 1877)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1876)

Musée Vrolik. Catalogue de la collection d'anatomie humaine, comparée et pathologique de M.M. Ger. et W. Vrolik ... - Vrolik, W. (Willem), 1801 -1863 (Impr. de W. J. de Roever Kröber, 1865)

The Museum (W.F. Webb, 1894)

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: quadruped, birds, reptiles, fishes, shells, and insects, including the insects destructive to agriculture - White, Adam, 1817 -1879 (Mackenzie, 1859)

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)

Name that animal; a guide to the identification of the common land and fresh-water animals of the United States, with special reference to the area east of the Rockies - Driver, Ernest Charles, 1899 - (1950)

The native and wild mammals of Connecticut - Adams, Sherman W. (Sherman Wolcott), 1836 -1898 (Case, Lockwood, & Brainard, 1896)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1908)

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

Natural history. Mammalia - Gosse, Philip Henry, 1810 -1888 (Society for Promoting Christian Knowledge, 1848)

Natural history - Lydekker, Richard, 1849 -1915 (Hutchinson, 1897)

The natural history of animals : (class Mammalia–animals which suckle their young), in word and picture - Vogt, Karl Christoph, 1817 -1895 (Blackie & Son, 1889)

The natural history of animals : (class Mammalia–animals which suckle their young) in word and picture - Vogt, Karl Christoph, 1817 -1895 (Blackie & son, ltd, 1887)

The natural history of animals (class Mammalia-animals which suckle their young), in word and picture - Vogt, Karl Christoph, 1817 -1895 (Blackie, 1889)

The natural history of animals: the animal life of the world in its various aspects and relations - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (The Gresham Publishing Company, 1903)

Natural history of New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1842)

Natural history of New York (D. Appleton, 1842)

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)