The conchologist's nomenclator : a catalogue of all the recent species of shells included under the subkingdom "Mollusca," with their authorities - Reeve, Lowell Augustus 1814 -1865 (Reeve Brothers, 1845)

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)

Congrès international d'entomologie : [proceedings] (Hayez, 1910)

Congrès international d'entomologie : [proceedings] (Hayez, 2016)

Conr. Gesneri Tigurini medicinæ et philosophiae professoris in Schola Tigurina, Historiæ animalium liber II : qui est de quadrupedibus ouiparis - Gessner, Conrad, 1516 -1565 (Ex officina typographica Ioannis Wecheli : Impensis Roberti Cambieri, 1586)

Conradi Gesneri De rerum fossilium, lapidum et gemmarum maximè, figuris & similitudinibus liber : non solùm medicis, sed omnibus rerum naturae ac philologiae studiosis, vtilis & iucundus futurus - Gessner, Conrad, 1516 -1565 ([excudebat Iacobus Gesnerus], 1565)

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)

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, 1604)

Conradi Gesneri medici Tigurini Historiæ animalivm liber IV. : Qui est de piscium & aquatilium animantium natura. : Cum iconibus singulorum ad viuum expressis ferè omnibus DCCXII ... Continentur in hoc volumine, Gulielmi Rondeletii quoque, Medicinae Professoris Regij in Schola Monspeliensi, & Petri Bellonii Cenomani, medici hoc tempore Lutetiae eximij, de aquatlium singulis scripta. Paralipomena quaedam ad finem adiecta sunt - Gessner, Conrad, 1516 -1565 (In bibliopolio Andreae Cambieri, 1604)

The Conservation Atlas of Tropical Forests: Africa (1992)

The Conservation Atlas of Tropical Forests: the Americas (1996)

Considérations sur les corps organisés, ou l'on traite de leur origine, de leur development, de leur réproduction, &c. & ou l'on a rassemble en abrégé tout ce que l'histoire naturelle offre de plus certain & de plus intéressant sur ce sujet - Bonnet, Charles, 1720 -1793 (Chez Marc Michel Rey, 1762)

Considérations sur les corps organisés, où l'on traite de leur origins, de leur développement, de leur réproduction, &c. & où l'on a rassemblé en abrégé tout ce que l'histoire naturelle offre de plus certain & de plus intéressant sur ce sujet - Bonnet, Charles, 1720 -1793 (M.M. Rey, 1768)

Conspectus floræ Africæ, ou Énumération des plantes d'Afrique - Durand, Th. (Théophile), 1855 -1912 (Jardin botanique de l'état; [etc., etc.], 1895)

Conspectus florae Graecae - Halácsy, Eugen v., 1842 -1913 (Sumptibus Guilelmi Engelmann, 1901)

Contents and index to volume 12, numbers 1 to 19, Zoological series - Field Museum of Natural History. (Field Museum of Natural History, 1929)

Contents and index to volume 7, numbers 1 to 12, Zoological series - Field Museum of Natural History. (Field Museum of Natural History, 1912)

A contribution to the comparative histology of the femur - Foote, J. S. (James Stephen), 1851 -1925 (Smithsonian Institution, 1916)

A contribution to the herpetology of arabia. With a preliminary list of the reptiles and batrachians of Egypt - Anderson, John, 1833 -1900 (R.H. Porter, 1896)

A contribution to the zoögeography of the East Indian islands - Harvard University. Museum of Comparative Zoology. (printed for the Museum, 1912)

A contribution to the zoögeography of the East Indian islands / by Thomas Barbour - Barbour, Thomas, 1884 -1946 (Printed for the Museum, 1912)

A contribution to the zoögeography of the West Indies, with especial reference to amphibians andreptiles - Barbour, Thomas, 1884 -1946 (Printed for the Museum, 1914)

A contribution to the zoögeography of the West Indies, with especial reference to amphibians and reptiles / by Thomas Barbour - Barbour, Thomas, 1884 -1946 (Printed for the Museum, 1914)

Contributions a l'etude de la myologie comparée: membre postérieur chez un certain nombre de Batraciens et de Sauriens - Perrin, A. (s.n, 1893)

Contributions à l'étude de la vie vertebrée insulaire dans la région méditerranéenne occidentale et particulièrement en Sardaigne et en Corse - Dehaut, Émile-Georges (P. Lechevalier, 1920)

Contributions à la faune ornithologique de l'Europe occidentale : recueil comprenant les espèces d'oiseaux que se reproduisent dans cette région ou qui s'y montrent régulièrement de passage, augmenté de la description des principales espèces exotiques les plus voisines des indigènes ou susceptibles d'ètre confondues avec elles, ainsi que l'énumération des races domestiques - Olphe-Galliard, Léon, 1825 -1893 (L. Lasserre, 1889)

Contributions from the Bermuda Biological Station for Research - Bermuda Biological Station for Research. ([s.n.], 1917)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1898)

Contributions in quaternary vertebrate paleontology: a volume in memorial to John E. Guilday - Genoways, Hugh H. (Carnegie Museum of Natural History, 1984)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1966)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1971)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1976)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1978)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1998)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1979)

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 embryology - Carnegie Institution of Washington

Contributions to embryology - Carnegie Institution of Washington (Carnegie Institution of Washington, 1915)

Contributions to Texan herpetology - Strecker, John K. (John Kern), 1875 -1933 (1909)

Contributions to the herpetology of New Granada and Argentina, with descriptions of new forms - Cope, E. D. (Edward Drinker), 1840 -1897 (the Philadelphia Museums, 1899)

Contributions to the natural history of Alaska. Results of investigations ... in the Yukon district and the Aleutian islands; conducted under the auspices of the Signal service, United States Army, extending from May, 1874, to August, 1881 ... - Turner, Lucien M. (Lucien McShan) (Govt. Print. Off, 1886)

Contributions to the natural history of Alaska results of investigations made chiefly in the Yukon district and the Aleutian Islands; conducted under the auspices of the Signal Service, United States Army, extending from May, 1874, to August, 1881 - Turner, Lucien M. (Lucien McShan) (G.P.O, 1886)

Contributions to the natural history of seven species of Bornean frogs - Inger, Robert F. (Field Museum of Natural History, 2009)

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)

Convergence in evolution - Willey, Arthur, 1867 -1942 (E. P. Dutton & co., 1911, 1911)

Convergence in evolution - Willey, Arthur, 1867 -1942 (J. Murray, 1911)

Copeia - American Society of Ichthyologists; Herpetologists (American Society of Ichthyologists and Herpetologists, 1914)

Copeia - American Society of Ichthyologists; Herpetologists (American Society of Ichthyologists and Herpetologists, 1915)

Copeia - American Society of Ichthyologists; Herpetologists (American Society of Ichthyologists and Herpetologists, 1916)

Copeia - American Society of Ichthyologists; Herpetologists (American Society of Ichthyologists and Herpetologists, 1917)

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)

Corographia brasílica, ou, Relação histórico-geográfica do Brasil - Casal, Manuel Aires De, 1754 -1821 (Na Typographia de Gueffier e comp, 1833)

Correspondance inédite de Buffon a laquelle ont été réunies les lettres publiées jusqu'a ce jour, recueillie et annotée - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (... L. Hachette et Cie, 1860)

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, 1851)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1855)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1867)

Cottage gardener and country gentleman's companion (Wm. S. Orr, 1856)

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

The crane-flies of New York - Alexander, Charles P. (Charles Paul), 1889 -1981 (1919)

The crane-flies of New York - Alexander, Charles P. (Charles Paul), 1889 -1981 (1920)

The crane-flies of New York. Part II. Biology and phylogeny - Alexander, Charles P. (Charles Paul), 1889 -1981 (1920)

The crow and its relation to man - Kalmbach, E. R. (Edwin Richard), 1884 -1972 (U.S. Dept. of Agriculture, 1918)

Les crustacés, les arachnides et les insectes : distribués en familles naturelles - Cuvier, Georges, baron, 1769 -1832 (Chez Déterville, 1829)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1959)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1960)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1961)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1963)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1964)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1965)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1966)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1967)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1968)

Current bibliography for aquatic sciences and fisheries - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Taylor & Francis ltd, 1971)

Current bibliography for fisheries science - Food; Agriculture Organization of the United Nations. Fisheries Division. Biology Branch. (Biology Branch, Fisheries Division, Food and Agriculture Organization of the United Nations, 1958)

Current herpetology - Nihon Hachu Ryoseirui Gakkai. (The Herpetological Society of Japan, 1964)