A classified index and synopsis of The animal kingdom arranged in conformity with its organization - Gray, John Edward, 1800 -1875 (Printed for Whittaker and Co, 1835)

Clavis Anglíca linguæ botanicæ : or, a Botanical Lexicon in which the terms of botany, particularly those occurring in the works of Linnaeus, and other writers, areapplied, derived, explained, contrasted, and exemplified - Berkenhout, John, 1730 -1791 (Becket, de Houdt, Hawes, Clark & and Collins, 1764)

Collected essays - Huxley, Thomas Henry, 1825 -1895 (Macmillan, 1893)

Collected essays - Huxley, Thomas Henry, 1825 -1895 (Appleton, 1894)

Collectio plantarum tam exoticarum, quam indigenarum, cum delineatione, descriptione culturaque earum - Wendland, Johann Christoph, 1755 -1828 (Zu haben bei dem Verfasser und in Commission bei den Gebrüdern Hahn, 1810)

Colouration in animals and plants - Skertchly, Sydney B. J. (Sydney Barber Josiah), 1850 -1927 (Printed by Alabaster, Passmore and Sons, 1886)

Colouration in animals and plants - Skertchly, Sydney B. J. (Sydney Barber Josiah), 1850 -1927 (Alabaster, Passmore, 1886)

The common seaweeds of the British coast and Channel Islands : with some insight into the microscopic beauties of their structure and fructification - Clarke, Louisa Lane (F. Warne, 1865)

The common seaweeds of the British coast and Channel Islands; with some insight into the microscopic beauties of their structure and fructification ... - Clarke, Louisa Lane (F. Warne, 1865)

Common sense and logic applied to Darwinism and teleology - Macdill, David, 1826 -1903 (Marshall & Beveridge, 1899)

Communication from the Governor, transmitting several reports relative to the Geological Survey of the State [1836-1840 - New York (State). Natural History Survey. (1839)

Comparative anatomy - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Trubner, 1854)

Comparative anatomy and physiology - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Cassell, 1885)

Comparative anatomy and physiology - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Lea Brothers, 1885)

Comparative anatomy - Neal, Herbert V. (Herbert Vincent), 1869 -1940 (P. Blakiston's Son, 1936)

Comparative zoology - Orton, James, 1830 -1877 (Harper & brothers, 1894)

Comparative zoology, structural and systematic : for use in schools and colleges - Orton, James, 1830 -1877 (Harper & Bros, 1883)

Comparative zoology : structural and systematic, for use in schools and colleges - Orton, James, 1830 -1877 (Harper, 1895)

Comparative zoology, structural and systematic. For use in schools and colleges - Orton, James, 1830 -1877 (Harper and brothers, 1880)

Comparative zoology, structural and systematic, for use in schools and colleges - Orton, James, 1830 -1877 (Harper & brothers, 1893)

Comprehensive catalogue of Queensland plants, both indigenous and naturalised. To which are added, where known, the aboriginal and other vernacular names; with numerous illustrations, and copious notes on the properties, features, &c., of the plants - Bailey, Frederick Manson 1827 -1915 (A. J. Cumming, government printer, 1909)

Comunicaciones - Sociedad Malacológica Del Uruguay. (1973)

Comunicaciones - Sociedad Malacológica Del Uruguay. (1987)

Conchologia iconica, or, Illustrations of the shells of molluscous animals - Sowerby, G. B. (George Brettingham), 1812 -1884 (Reeve, Brothers, 1843)

Conchologia iconica, or, Illustrations of the shells of molluscous animals - Sowerby, G. B. (George Brettingham), 1812 -1884 (Reeve, Brothers, 1855)

Conchologia systematica, or Complete system of conchology: in which the Lepades and conchiferous Mollusca are described and classified according to their natural organization and habits - Sowerby, G. B. (George Brettingham), 1812 -1884 (Longman, Brown, Green and Longmans, 1841)

Conchologia systematica, or Complete system of conchology: in which the Lepades and conchiferous Mollusca are described and classified according to their natural organization and habits - Sowerby, G. B. (George Brettingham), 1812 -1884 (Longman, Brown, Green and Longmans, 1842)

A conchological manual. Second Edition - Sowerby, G. B. (George Brettingham), 1812 -1884 (Henry G. Bohn, 1842)

A conchological manual. Third Edition - Sowerby, G. B. (George Brettingham), 1812 -1884 (Henry G. Bohn, 1846)

A conchological manual - Sowerby, G. B. (George Brettingham), 1812 -1884 (Henry G. Bohn, 1846)

A conchological manual - Sowerby, G. B. (George Brettingham), 1812 -1884 (H. G. Bohn, 1852)

A conchological manual - Sowerby, G. B. (George Brettingham), 1812 -1884 (H.G. Bohn, 1852)

A conchological manual - Sowerby, G. B. (George Brettingham), 1812 -1884 (Henry G. Bohn ... and Sowerby, 1842)

The conchologist's book of species : containing descriptions of six hundred species of univalves : with numerous illustrations - Hanley, Sylvanus, 1819 -1899 (Henry Washbourne, 1842)

The conchologist's text-book : embracing the arrangements of Lamarck and Linnæus, with a glossary of technical terms : to which is added a brief account of the Mollusca - MacGillivray, William 1796 -1852 (A. Fullerton, 1853)

The conchologist's text-book : embracing the arrangements of Lamarck and Linnaeus with a glossary of technical terms, to which is added a brief account of the mollusca - MacGillivray, William 1796 -1852 (A. Fullarton, 1858)

The conchologist's text-book, embracing the arrangements of Lamarck and Linnaeus, with a glossary of technical terms - MacGillivray, William 1796 -1852 (A. Fullarton and Co, 1836)

The conchologist's text-book : embracing the arrangements of Lamarck and Linnaeus with a glossary of technical terms, to which is added a brief account of the mollusca - MacGillivray, William 1796 -1852 (A. Fullarton, 1859)

The conchologist's text-book, embracing the arrangements of Lamarck and Linnaeus, with a glossary of technical terms - Brown, Thomas, 1785 -1862 (A. Fullarton, 1833)

Congrès international d'entomologie : [proceedings] (Hayez, 1971)

Conradi Gesneri medici Tigurini Historiae animalium liber primus de quadrupedibus viuiparis : opus philosophis, medicis, grammaticis, philologis, poëtis, & omnibus rerum linguarumq́ue variarum studiosis, vtilissimum simul iucundissimumq́ue futurum - Gessner, Conrad, 1516 -1565 (In Bibliopolio Cambieriano, 1586)

Conspectus genericus scorpionorum, 1758-1982 (Arachnida: Scorpiones) - Francke, Oscar F. (Texas Tech Press, 1985)

Contribución al estudio de la flora de la Sierra de la Ventana - Spegazzini, Cárlos, 1858 -1926 (Ministerio de Obras Públicas de la Provincia de Buenos Aires, Talleres de Publicaciónes del Museo, 1896)

Contribution to the natural history of the pearly nautilus - Willey, Arthur, 1867 -1942 (University Press, 1902)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1940)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1952)

Contributions from the herbarium of the Geological Survey of Canada - Geological Survey of Canada (s.n.], 1894)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1918)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1931)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1970)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1973)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1984)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1994)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 2001)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 2006)

Contributions to British palæontology : or, First descriptions of three hundred and sixty species and several genera of fossil Radiata, Articulata, Mollusca, and Pisces from the Tertiary, Cretaceous, Oolitic, and Palæozoic strata of Great Britain - McCoy, Frederick, 1817 -1899 (Macmillan, 1854)

Contributions to Canadian biology - Biological Board of Canada. (Biological Board of Canada, 1917)

Contributions to Canadian biology : being studies from the Marine Biological Station of Canada - Biological Board of Canada. (s.n.], 1917)

Contributions to Canadian botany - Macoun, James Melville, 1862 -1920 ([s. n.], 1894)

Contributions to Canadian natural history - Bell, Robert, 1841 -1917 (Lovell, 1860)

Contributions to Canadian natural history - Geological Survey of Canada (s.n.], 1860)

Contributions to conchology - Adams, C. B. (Charles Baker), 1814 -1853 (H. Bailliere, 1849)

Contributions to the flora of Beaver County, from the Mansfield Herbarium, 1865-1903 - Mansfield, Ira Franklin, 1942 - (Tribune Printing, 1903)

Contributions to the natural history of the Acalephae of North America - American Academy of Arts; Sciences. (American Academy of Arts and Sciences, 1850)

Contributions to the natural history of the United States of North America vol. 1, part 1 - Agassiz, Louis, 1807 -1873 ([s.n.])

Contributions to the natural history of the United States of America - Agassiz, Louis, 1807 -1873 (Little, Brown and Company, 1857)