Conchologische Mittheilungen als Fortsetzung der Novitates conchologicae - Martens, Eduard von, 1831 -1904 (T. Fischer, 1880)

Conditions of life in the sea; a short account of quantitative marine biological research - Johnstone, James, 1870 -1932 (University press, 1908)

Congrès international d'entomologie : [proceedings] (Hayez, 1977)

Congrès international d'entomologie : [proceedings] (Hayez, 2008)

Congrès Scientifiques de France (1851)

Congrès Scientifiques de France (1855)

Congrès Scientifiques de France (1858)

A contribution to American thalassography : Three cruises of the United States Coast and geodetic survey steamer "Blake", in the gulf of Mexico, in the Caribbean sea, and along the Atlantic coast of the United States, from 1877 to 1880 - U.S. Coast; Geodetic Survey (Houghton, Mifflin and Co, 1888)

A contribution to American thalassography. Three cruises of the United States Coast and geodetic survey steameer "Blake", in the gulf of Mexico, in the Caribbean sea, and along the Atlantic coast of the United States, from 1877 to 1880 - U.S. Coast; Geodetic Survey (Houghton, Mifflin and Company, 1888)

A contribution to American thalassography; three cruises of the United States Coast and geodetic survey steamer "Blake," in the Gulf of Mexico, in the Caribbean Sea, and along the Atlantic coast of the United States, from 1877 to 1800 - U.S. Coast; Geodetic Survey (Houghton, Mifflin, 1888)

Contributions to Canadian biology - Biological Board of Canada. (Biological Board of Canada, 1911)

Contributions to Canadian biology and fisheries - Biological Board of Canada. (1901)

Contributions to Canadian biology : being studies from the Marine Biological Station of Canada - Canada. Department of Marine; Fisheries. (s.n.], 1901)

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 America - Agassiz, Louis, 1807 -1873 (Little, Brown and Company, 1860)

Contributions to the natural history of the United States of America - Agassiz, Louis, 1807 -1873 (Little, Brown and Company, 1862)

The coral reefs of the Maldives / by Alexander Agassiz - Agassiz, Alexander, 1835 -1910 (Printed for the Museum, 1903)

The Cottage gardener (W.S. Orr, 1852)

Cottage gardener and country gentleman's companion (Wm. S. Orr, 1855)

The cottage gardener, country gentleman's companion and poultry chronicle (G.W. Johnson, 1857)

The cottage gardener, country gentleman's companion and poultry chronicle (G.W. Johnson, 1859)

A course in invertebrate zoology : a guide to the dissection and comparative study of invertebrate animals - Pratt, Henry Sherring, 1859 - (Ginn, 1915)

A course in invertebrate zoölogy; a guide to the dissection and comparative study of invertebrate animals - Pratt, Henry Sherring, 1859 - (Ginn & Company, 1902)

Crŭÿde boeck : in den welcken die geheele historie dat es tgheslacht, tfatsoen, nae[m], natuere, cracht ende werckinghe, van den cruyden, niet alleen hier te lande wassende, maer oock van de[n] andere[n] Vremde[n] in der medecynen oorboorlijck, met grooter neersticheyt begrepen ende verclaert es, met der seluer cruyden natuerlijck naer dat leuen conterfeytsel daer by ghestelt - Dodoens, Rembert, 1517 -1585 (In die Cammerstrate inden Arent seghen Scarabaeum by my Jan vander Loe, 1563)

Die ctenophoren des golfes von Neapel und der angrenzenden meeres-abschnitte - Chun, Carl, 1852 -1914 (W. Engelmann, 1880)

Cubans of to-day - Parker, William Belmont, 1871 -1934 (G. P. Putnam's sons, 1919)

The Cubomedusae - Conant, F. S. (Franklin Story), 1870 -1897 (The Johns Hopkins press, 1898)

The cultivator : a monthly publication, devoted to agriculture - New York State Agricultural Society. (Published by New York State Agricultural Society, 1859)

Culture methods for invertebrate animals - Galtsoff, Paul S. (Paul Simon), 1887 -1979 (Dover Publications, 1959)