Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1912)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1911)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1919)

Memoirs of the National Museum of Victoria - National Museum of Victoria (National Museum of Victoria, 1970)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1960)

Memoirs of the Wernerian Natural History Society - Wernerian Natural History Society. ([The Society], 1818)

Memoirs of the Wernerian Natural History Society - Wernerian Natural History Society. ([The Society], 1822)

Memoirs of the Wernerian Natural History Society - Wernerian Natural History Society. ([The Society], 1824)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1866)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1888)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1912)

Memoirs relating to European and Asiatic Turkey, and other countries of the East - Walpole, Robert, 1781 -1856 (Longman, Hurst, Rees, Orme, and Brown, 1818)

Memorials of John Ray - Smith, James Edward, 1759 -1828 (Printed for the Ray Society, 1846)

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)

Memorias de la Real Academia de Ciencias y Artes de Barcelona - Real Academia de Ciencias y Artes de Barcelona. (1876)

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1907)

Memorias de la Sociedad Cubana de Historia Natural "Felipe Poey." - Museo Poey. (La Sociedad, 1916)

Memórias do Instituto Butantan - Instituto Butantan (O Instituto, 1980)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1897)

Memorie - Museo civico di storia naturale di Milano. (U. Hoepli, 1897)

Memorie - Classe di scienze fisiche, matematiche e naturali - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (Accademia Nazionale dei Lincei, 1883)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1841)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1842)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1844)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1912)

Memorie di matematica e di fisica della Societ`a italiana delle Scienze - Società Italiana delle Scienze. (Società Italiana delle Scienze, 1815)

Memorie sulla storia e notomia degli animali senza vertebre del regno di Napoli - Delle Chiaie, S. (Stefano), 1794 -1860 (Dalla stamperia de' Fratelli Fernandes, 1825)

Memorie sulla storia e notomia degli animali senza vertebre del regno di Napoli / di Stefano delle Chiaje. Vol. 1-4 - Delle Chiaie, S. (Stefano), 1794 -1860 (1825)

Mental evolution in animals - Darwin, Charles, 1809 -1882 (D. Appleton, 1884)

Mental evolution in animals / by George John Romanes. With a posthumous essay on instinct / by Charles Darwin - Darwin, Charles, 1809 -1882 (K. Paul, Trench, 1883)

Mental evolution in animals. With a posthumous essay on instinct by Charles Darwin - Darwin, Charles, 1809 -1882 (Kegan Paul, Trench, 1883)

Mental evolution in animals. With a posthumous essay on instinct - Darwin, Charles, 1809 -1882 (D. Appleton, 1884)

Mesembryanthemum and some new genera separated from it - Brown, Nicholas Edward, 1849 -1934 (s.n.], 1921)

The Mesozoic and Cenozoic Echinodermata of the United States - Clark, William Bullock, 1860 -1917 (Govt. print. off, 1915)

The Mesozoic Echinodermata of the United States - Clark, William Bullock, 1860 -1917 (Govt. Print. Off, 1893)

Methods for obtaining and handling marine eggs and embryos [by] Donald P. Costello and Catherine Henley - Marine Biological Laboratory (Woods Hole, Mass.) (1971)

Methods for obtaining and handling marine eggs and embryos [by] D.P. Costello [and others - Marine Biological Laboratory (Woods Hole, Mass.) (1957)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Houghton, Mifflin, 1885)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (James R. Osgood and Co, 1874)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Houghton, Mifflin, 1889)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Ticknor and Fields, 1863)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Fields, Osgood, & Co, 1869)

Methods of study in natural history - Agassiz, Louis, 1807 -1873 (Ticknor and Fields, 1864)

Methodus foliorum, seu plantae florae Monspeliensis, juxta foliorum ordinem, ad juvandam specierum cognitionem, digestae ... Methode pour connoître les plantes par les feüilles - Boissier de la Croix de Sauvages, François, 1706 -1767 (1751)

Meyers grosses konversations-lexikon. Ein nachschlagewerk des allgemeinen wissens. 2557142MC - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1902)

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

Michelia - Saccardo, P. A. (Pier Andrea), 1845 -1920 (Typis Seminarii, 1877)

The micrographic dictionary : a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John van Voorst, 1860)

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 micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John Van Voorst, 1856)