The Conchologists' exchange - Averell, William D. (Wm. D. Averell, 1886)

Conchology - Brown, Thomas, 1785 -1862 (Encyclopaedia Britannica, 1810)

Conchology, or, The natural history of shells : containing a new arrangement of the genera and species, illustrated by coloured engravings executed from the natural specimens, and including the latest discoveries - Clarke, John, ca 1815 (W. Miller, 1811)

Conchology, or the natural history of shells: containing a new arrangement of the genera and species. Illustrated by coloured engravings executed from the natural specimens, and including the latest discoveries - Perry, George, 1771 - (W. Bulmer for W. Miller, 1811)

Conchylia dithyra insularum Britannicarum = The bivalve shells of the British islands : systematically arranged - Turton, William, 1762 -1835 (T. Fischer, 1848)

Conchylia insularum Britannicarum. The shells of the British islands - Turton, William, 1762 -1835 (M.A. Nattali; [etc., etc, 1822)

Die conchylien des Mainzer Tertiärbeckens / von C. L. Fridolin Sandberger - Sandberger, Fridolin, 1826 -1898 (Kriedel und Niedner, 1863)

Die Conchylien des Mittelymeeres, ihre geographische und geologische Verbreitung - Weinkauff, Heinrich Conrad, 1817 -1886 (T. Fischer, 1867)

Die Conchylien im Cabinette des Herrn Erbprinzen von Schwarzburg-Rudolstadt : mit zwölf Kupfern - Kämmerer, Christoph Ludwig (auf Kosten des Verfassers, mit Bergmannschen Schriften, 1786)

Die Conchylien in dem Naturalkabinet seiner hochfürstlichen Gnaden des Herrn Fürsten und Bischofs von Konstanz : in der hochfürstlichen Residenzstadt Mörsburg : nach Martini und Chemniz systematisch eingetheilt - Abel, Johann C. A. M. (Gedruckt durch Kaspar Graf Factor, 1787)

Conchylienbuch, oder, Allgemeine und besondere Naturgeschichte der Muscheln und Schnecken : nebst der Anweisung sie zu sammeln, zuzubereiten und aufzubewahren - Berge, Fr. (Friedrich), 1811 -1883 (Verlag von Krais & Hoffmann, 1855)

Conchyliologie minéralogique de la Grande Bretagne - Agassiz, Louis, 1807 -1873 (Jent & Gassmann, 1845)

Contemplation de la nature - Bonnet, Charles, 1720 -1793 (Chez J.G. Virchaux & compagnie, 1782)

Contribucion a la fauna malacologica cubana - Arango Y Molina, Rafael, 1893 - (Imp. de G. Montiel y comp, 1878)

Contribution à la faune malacologique de l'Afrique occidentale - Société Linnéenne de Bordeaux. (Y. Cadoret, 1910)

Contribution a l'étude des lamellibranches - Pelseneer, Paul, 1863 -1945 (Vaillant-Carmanne, 1891)

A contribution to the paleontology of Trinidad - Maury, Carlotta Joaquina, 1874 -1938 (1912)

Contributions à la faune malacologique de l'Afrique Equatoriale... 1.sér.,[no.]1-72 - Germain, Louis, 1878 -1942 (Imprimerie nationale, 1908)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1999)

Contributions to biology from the Hopkins Seaside Laboratory of the Leland Stanford Jr. University - Hopkins Seaside Laboratory. (The University, 1903)

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 the Tertiary fauna of Florida, with especial reference to the Miocene silex-beds of Tampa and the Pliocene beds of the Calooshatchie River - Dall, William Healey, 1845 -1927 (1903)

Contributions towards a fauna and flora of the county of Cork, read at the meeting of the British association held at Cork in the year 1843 - Cuvierian Society of Cork. (J. Van Voorst, 1845)

Conversations on nature and art (Lea & Blanchard, 1839)

A Cornish Fauna : being a compendium of the Natural History of the County, intended to form a companion to the Collection in the Museum of the Royal Institution of Cornwall. Part 2, The Testaceous Mollusks, Appendix. Report on the Zoology of the County of Cornwall - Couch, Jonathan, 1789 -1870 (1841)

A Cornish fauna : being a compendium of the natural history of the county : intended to form a companion to the collection in the Museum of the Royal Institution of Cornwall - Couch, Jonathan, 1789 -1870 (Printed for the Royal Institution of Cornwall, by L.E. Gillet, 1838)

A Cornish fauna; being a compendium of the natural history of the county, intented to form a companion to the collection in the Museum of the Royal Institution of Cornwall. Part 2, Containing the testaceous mollusks - Couch, Jonathan, 1789 -1870 (printed for the Royal Institution of Cornwall ; by L.E. Gillet, 1841)

Correspondenz-blatt des Naturwissenschaftlichen Vereins (früher Zoologisch-mineralogischer Verein) in Regensburg - Naturwissenschaftlicher Verein Regensburg. (Naturwissenschaftlichen Verein, 1883)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1847)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1850)

The cottage gardener, country gentleman's companion and poultry chronicle (G.W. Johnson, 1858)

Cours élémentaire de paléontologie et de géologie stratigraphiques - Orbigny, Alcide Dessalines d', 1802 -1857 (V. Masson, 1849)

Cours élémentaire de paléontologie et de géologie stratigraphiques - Orbigny, Alcide Dessalines d', 1802 -1857 (V. Masson, 1852)

Cretaceous fauna of southern India - Stoliczka, Ferdinand, 1838 -1874 (Geological Survey Office, 1871)

The Cretaceous rocks of Britain - Jukes-Browne, A. J. (Alfred John), 1851 -1914 (Printed for H. M. Stationery off., by Wyman and sons, limited, 1900)

The Cretaceous rocks of Britain - Jukes-Browne, A. J. (Alfred John), 1851 -1914 (Printed for H. M. Stationery off., by Wyman and sons, limited, 1904)

Curiosities of natural history. 1st[-4th] ser - Buckland, Francis T. (Francis Trevelyan), 1826 -1880 (R. Bentley, 1885)

Curiosities of natural history : second series - Buckland, Francis T. (Francis Trevelyan), 1826 -1880 (R. Bentley, 1865)