A manual of the Mollusca; being a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (C. Lockwood, 1880)

A manual of the mollusca; or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the Mollusca : or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the mollusca; or, Rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the Mollusca, or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (John Weale, 1851)

A manual of the Mollusca; or, A rudimentary treatise of recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (J. Weale, 1851)

A manual of the Mollusca : a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Virtue & Co, 1868)

A manual of the Mollusca: a treatise on recent and fossil shells - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Virtue Brothers & Co, 1866)

Manual of the New Zealand Mollusca. A systematic and descriptive catalogue of the marine and land shells, and of the soft mollusks and Polyzoa of New Zealand and the adjacent islands - Hutton, Frederick Wollaston, 1836 -1905 (Printed at the office of J. Hughes, 1880)

Manual of the New Zealand mollusca - Suter, Henry 1841 -1918 (J. Mackay, govt. printer, 1913)

Manual of the Odonata of New England - Howe, Reginald Heber, Jr. 1875 -1932 (Thoreau Museum of Natural History, 1917)

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

A manual of zoology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1870)

A manual of zoology for the use of students ... , with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (Blackwood, 1873)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1870)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (D. Appleton, 1877)

A manual of zoology for the use of students : with a general introduction on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood, 1887)

A manual of zoology for the use of students : with a general introd. on the principles of zoology - Nicholson, Henry Alleyne, 1844 -1899 (William Blackwood 8 Sons, 1887)

A manual of zoology for the use of students - Nicholson, Henry Alleyne, 1844 -1899 (R. Hardwicke, 1870)

Manuel d'actinologie ou de zoophytologie - Blainville, H.-M. Ducrotay de (Henri-Marie Ducrotay), 1777 -1850 (1834)

Manuel de conchyliologie et de paleontologie conchyliologique : ou, Histoire naturelle des mollusques vivants et fossiles - Fischer, Paul, 1835 -1893 (F. Savy, 1887)

Manuel de conchyliologie et paléontologie conchlyliologique - Chenu, Jean-Charles, 1808 -1879 (V. Masson, 1859)

Manuel de conchyliologie et paléontologie conchlyliologique - Chenu, Jean-Charles, 1808 -1879 (Victor Masson, 1859)

Manuel de conchyliologie, ou, Histoire naturelle des mollusques vivants et fossiles - Woodward, S. P. (Samuel Peckworth), 1821 -1865 (Savy, 1870)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (H. Lamertin, 1895)

Manuel de la faune de Belgique - Lameere, Auguste, 1864 -1942 (Lamertin, 1895)

Manuel de malacologie et de conchyliologie - Turpin, P. J. F. (Pierre Jean François), 1775 -1840 (F. G. Levrault, 1825)

Manuel de paléontologie - Hoernes, Rudolf, 1850 -1912 (Savy, 1886)

Martini and Chemnitz Conchylien-Cabinet second edition : index - Dall, William Healey, 1845 -1927 (Smithsonian Institution, 1907)

Maryland naturalist - Natural History Society of Maryland (The Society, 1948)

Materiali per una malacostatica di terra e di acqua dolce dell'Argentinia meridionale - Strobel, Pellegrino, 1821 -1895 (Biblioteca malacologica, 1874)

Materialien zur Naturgeschichte der Insel Celebes - Sarasin, Fritz, 1859 -1942 (C.W. Kreidel's Verlag, 1898)

Matériaux pour servir à l'étude de la faune malacologique terrestre et fluviatile de l'Italie et de ses îles - Paulucci, M. (Librairie F. Savy, 1878)

Matériaux pour une faune malacologique des Iles Canaries - Mabille, Jules, 1831 -1904 (Museum d'histoire naturelle, 1884)

May flies and midges of New York. Third report on aquatic insects. A study conducted at the entomologic field station, Ithaca, N. Y - Needham, James G. (James George), 1868 -1957 (New York State Education Department, 1905)

May flies and midges of New York. Third report on aquatic insects. A study conducted at the entomologic field station, Ithaca, N.Y - Needham, James G. (James George), 1868 -1957 (New York State Education Dept, 1905)

Mélanges de botanique et de voyages - Du Petit-Thouars, Aubert Aubert, 1758 -1831 (A. Bertrand, 1811)

Mémoires d'histoire naturelle - Geoffroy Saint-Hilaire, Etienne, 1772 -1844 (Baudouin, Imprimeur de l'Institut national, 1802)

Mémoires de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Impr. de l'Universitmpale, 1823)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1889)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1890)

Mémoires de la Société zoologique de France - Société zoologique de France. (Au Siege de la Société, 1888)