Contribucion á la ornitologia cubana - Gundlach, Johannes Christoph, 1810 -1896 (Imp. "La Antilla" de N. Cacho-Negrete, 1876)

Contribution [I]-III to the coastal and plain flora of Yucatan - Millspaugh, Charles Frederick, 1854 -1923 (1895)

A contribution to the ornithology of northeastern Brazil - Hellmayr, Carl Eduard, 1878 -1944 (1929)

A contribution to the ornithology of the Orinoco region - Cherrie, George Kruck, 1865 -1946 (Pub. for the Brooklyn museum, 1916)

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, 1887)

Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1970)

Contributions of the Maclurian Lyceum to the arts and sciences - Peale, Titian Ramsay, 1799 -1885 (Sold for the Maclurian Lyceum by J. Dobson, 1827)

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

Contributions to Canadian palæontology - Geological Survey of Canada (Printed by S. E. Dawson, 1885)

Contributions to North American ethnology. Vol. I-VII, IX - Geographical; Geological Survey of the Rocky Mountain Region (U.S.) (Govt. Print. Off, 1890)

Contributions to ornithology for 1848-1853 - Strickland, Catherine Dorcas Maule Jardine (W.H. Lizars, 1848)

Contributions to ornithology for 1848-1853 - Strickland, Catherine Dorcas Maule Jardine (W.H. Lizars, 1849)

Contributions to ornithology for 1848-1853 - Strickland, Catherine Dorcas Maule Jardine (W.H. Lizars, 1850)

Contributions to ornithology for 1848-1853 - Strickland, Catherine Dorcas Maule Jardine (W.H. Lizars, 1851)

Contributions to ornithology for 1848-1853 - Strickland, Catherine Dorcas Maule Jardine (W.H. Lizars, 1852)

Contributions to the flora of Siam - Craib, William Grant, 1882 -1933 (Printed for the University, 1912)

Contributions to the fossil flora of the western territories ... - Lesquereux, Léo, 1806 -1889 (Govt. Print. Off, 1874)

Contributions to the ornithology of Siberia - Seebohm, Henry, 1832 -1895 (s.n, 1880)

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 - 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 1 Containing the vertebrate, crustacean, and a portion of the radiate animals - Couch, Jonathan, 1789 -1870 (printed for the Royal Institution of Cornwall ; by L.E. Gillet, 1838)

Correspondenz-blatt des Naturwissenschaftlichen Vereins (früher Zoologisch-mineralogischer Verein) in Regensburg - Naturwissenschaftlicher Verein Regensburg. (Naturwissenschaftlichen Verein, 1887)

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)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1857)

Cosmos : sketch of a physical description of the universe - Humboldt, Alexander von, 1769 -1859 (Printed for Longman, Brown, Green, and Longmans ... and John Murray, 1849)

The Coues check list of North American birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1882)

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)

Cruise of the revenue steamer Corwin in Alaska and the N. W. Arctic ocean in 1881 ... Notes and memoranda ... - Bean, Tarleton H. (Tarleton Hoffman), 1846 -1916 (Govt. Print. Off, 1883)

Crustacea of Lake Titicaca - Faxon, Walter, 1848 -1920 (the Museum, 1876)

Cryptogamae vasculares Quitenses :adiectis specibus in aliis provinciis ditionis Ecuadorensis hactenus detectis - Sodiro, Luis, 1836 -1909 (Typis Universitatis, 1893)

Cuvier's Animal kingdom : arranged according to its organization, forming the basis for a natural history of animals, and an introduction to comparative anatomy : illustrated by three hundred engravings on wood - Blyth, Edward, 1810 -1873 (W.S. Orr and Co, 1840)

Cuvier's animal kingdom : arranged according to its organization - Cuvier, Georges, baron, 1769 -1832 (Orr and Smith, 1834)

Cüvier's Elementarischer Entwurf der Naturgeschichte der Thiere : aus dem Französischer übersetzt und mit Anmerkungen versehen - Cuvier, Georges, baron, 1769 -1832 (In der Buchhandl. des Königl. Preuss. Geh. Commerzien-Raths Joachim Pauli, 1800)

The cyclopaedia of anatomy and physiology - Todd, Robert Bentley, 1809 -1860 (Longman, Brown, Green, Longmans, & Roberts, 1847)

The cyclopaedia of anatomy and physiology - Todd, Robert Bentley, 1809 -1860 (Longman, Brown, Green, Longmans, & Roberts, 1852)

The cyclopaedia of anatomy and physiology - Todd, Robert Bentley, 1809 -1860 (Longman, Brown, Green, Longmans, & Roberts, 1849)

The cyclopædia of India and of Eastern and Southern Asia : commercial, industrial and scientific, products of the mineral, vegetable, and animal kingdoms, useful arts and manufactures - Balfour, Edward, 1813 -1889 (B. Quaritch, 1885)

The cyclopædia; or, Universal dictionary of arts, sciences, and literature - Rees, Abraham, 1743 -1825 (Longman, Hurst, Rees, Orme & Brown [etc.], 1819)

Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1906)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches, and a synopsis of the vegetable kingdom - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Doubleday, Page & Company, 1906)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1900)

D. Joh. Fr. Blumenbach's Prof. zu Göttingen ... Handbuch der Naturgeschichte - Blumenbach, Johann Friedrich, 1752 -1840 (bey Johann Christian Dieterich, 1797)

D. Joh. Fried. Blumenbach's Prof. zu Göttingen und Königl. Grossbrit. Hofraths Handbuch der Naturgeschichte - Blumenbach, Johann Friedrich, 1752 -1840 (Heinrich Dieterich, 1803)

D. Joh. Friedr. Blumenbach's, Prof. zu Gottingen ... Handbuch der Naturgeschichte : mit Kupfern - Blumenbach, Johann Friedrich, 1752 -1840 (Bey Johann Christian Dieterich, 1791)

D. Johann Peter Eberhards der Arzeneigelahrtheit ... : Versuch eines neuen Entwurfs der Thiergeschichte : nebst einem Anhang von einigen seltenen und noch wenig beschriebenen Thieren ; mit Kupfern - Eberhard, Johann Peter, 1727 -1779 (In der Rengerischen Buchhandlung, 1768)

Da ema ao beija-flor vida e costumes das aves do Brasil - Santos, Eurico (F. Briguiet, 1938)

Däggdjuren, jemte inledning till ryggradsdjuren - Lilljeborg, Wilhelm, 1816 -1908 (W. Schultz, 1874)

Danmarks fugle, beskrevne - Kjaerbølling, N. (Niels), 1806 -1871 (Forfatterens Forlag, 1852)

Dansk forstzoologi - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (Nordiske Forlag, 1896)

Dansk forstzoologi - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (Nordiske forlag, 1896)

Darwinianism: workmen and work - Stirling, James Hutchison, 1820 -1909 (T. & T. Clark, 1894)

De Helminthibus acanthocephalis; commentatio historico-anatomica. Adnexo recensu animalum, in Museo vindobonensi circa helminthes dissectorum, et singularum speciocrum harum in illis repertarum - Westrumb, August H. L. (1821)

De historia systematis avium nonnullia - Scheye, Israel. (1855)

Delectus opusculorum ad scientiam naturalem spectantium. Volumen primum - Ludwig, Christ. Frid. 1751 -1823 (Apud Siegfridum Lebrecht Crusium, 1790)

Deliciae florae et faunae Insubricae : seu, novae, aut minus cognitae species plantarum et animalium quas in Insubria Austriaca tam spontaneas, quam exoticas - Scopoli, Giovanni Antonio, 1723 -1788 (Ex Typographia Reg. et Imp. Monasterii S. Salvatoris, 1786)

Delineatio regni animalis secundum Caroli Linnaei Systema naturae : accedunt vocabula Suecica - Linné, Carl von, 1707 -1778 (F. Bryk, 1919)

Delle uova e dei nidi degli uccelli : libro primo ... aggiunti in fine alcune osservazioni, con una dissertazione sopra varie spezie di Cavallette ... - Ginanni, Giuseppe, conte, 1692 -1753 (appresso Antonio Bartoli, 1737)

Denkschriften der Kaiserlichen Akademie der Wissenschaften / Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Aus der Kaiserlich-Königlichen Hof- und Staatsdruckerei, 1893)

Des causes des migrations des animaux, et particulierement des oiseaux et des poissons - Serres, Marcel de, 1783 -1862 (1842)

Des hybrides à l'état sauvage. Règne animal. 1. volume. (Classe des oiseaux) - Suchetet, André, 1849 - (Impr. Le Bigot frères, 1896)

Des hybrides à l'état sauvage. Règne animal. 1er volume. (Classe des oiseaux) - Suchetet, André, 1849 - (Impr. Le Bigot frs, 1896)

Des Ritters Carl von Linné ... Vollständiges Natursystem : nach der zwölften lateinischen Ausgabe, und nach Anleitung des holländischen Houttuynischen Werks, mit einer ausführlichen Erklärung - Linné, Carl von, 1707 -1778 (bey Gabriel Nicolaus Raspe, 1773)