Catalogue of the snakes in the British Museum (Natural History) / by George Albert Boulenger - Boulenger, George Albert 1858 -1937 (1896)

Catalogus conchyliorum quae reliquit C.P. Kierulf ... : nunc publica auctione X decembris MDCCCL Hafniae dividenda - Mørch, Otto Andreas Lowson, 1828 -1878 (typis Trieri, 1850)

Catalogus conchyliorum quæ reliquit D. Alphonso d'Aguirra & Gadea Comes de Yoldi : regis daniæ cubiculariorum princeps, ordinis dannebrogici in prima classe & ordinis caroli tertii eques. Fasciculus secundus, Acephala, Annulata Cirripedia, Echinodermata - Mørch, Otto Andreas Lowson, 1828 -1878 (Typ. L. Kleinii, 1853)

Catalogus conchyliorum quae reliquit D. Alphonso d'Aguirra & Gadea comes de Yoldi : regisdanlae cubiculariorum princeps, ordinis dannebrogici in prima classe & ordinis caroli terth eques - Mørch, Otto Andreas Lowson, 1828 -1878 (Ludovici Kleine, 1852)

Catalogus conchyliorum quae reliquit D. Alphonso d'Aguirra & Gadea, comes de Yoldi ... / scripsit O. A. L. Mörch - Mørch, Otto Andreas Lowson, 1828 -1878 (Typis Ludovici Kleini, 1853)

Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (G. Engelmann, 1894)

Cenni sul Museo civico di Milano - Museo civico di storia naturale di Milano. (L.di Giacomo Priola, 1857)

Cenni sul Museo civico di Milano - Museo civico di storia naturale di Milano. (L. di Giacomo Priola, 1857)

Centralblatt für Bakteriologie und Parasitenkunde (G. Fischer, 1889)

The Century dictionary : an encyclopedic lexicon of the English language: prepared under the superintendence of William Dwight Whitney - Whitney, William Dwight, 1827 -1894 (Century Co, 1889)

Ceylon : an account of the island, physical, historical, and topographical with notices of its natural history, antiquities and productions - Tennent, James Emerson, Sir, 1804 -1869 (Longman, Green, Longman, and Roberts, 1860)

Ceylon; an account of the island, physical, historical, and topographical, with notices of its natural history, antiquities and productions - Tennent, James Emerson, Sir, 1804 -1869 (Longman, Green, Longman, and Roberts, 1860)

Ceylon : an account of the island, physical, historical, and topographical, with notices of its natural history, antiquities, and productions - Tennent, James Emerson, Sir, 1804 -1869 (Asian educational services, 2011)

A check list of North American amphibians and reptiles - Stejneger, Leonhard, 1851 -1943 (Harvard University Press ; [etc., etc.], 1923)

A check list of North American amphibians and reptiles - Stejneger, Leonhard, 1851 -1943 (Harvard University Press, 1933)

Check-list of the species of fishes known from the Philippine Archipelago - Jordan, David Starr, 1851 -1931 (Bureau of printing, 1917)

Cistula entomologica (E. W. Janson, 1877)

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)

Colombia, Perú : bajo Putumayo-Yaguas-Cotuhé - Field Museum of Natural History. (Field Museum, Keller Science Action Center, 2021)

The common snakes of India and Burma and how to recognize them - Cazaly, W. H. (Pioneer Press, 1914)

Complément de l'histoire naturelle des mollusques terrestres et fluviatiles de la France, de J.P.R. Draparnaud - Draparnaud, J. (Jacques), 1772 -1805 (Lippmann, 1831)

The complete writings of Constantine Smaltz Rafinesque : on recent & fossil conchology - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 (Bailliere Brothers; [etc., etc.], 1864)

The complete writings of Constantine Smaltz Rafinesque, on recent & fossil conchology - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 (Bailliere Brothers, 1864)

The complete writings of Constantine Smaltz Rafinesque on recent & fossil conchology. Edited by Wm. G. Binney and George W. Tryon Jr - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 (Bailliere Bros, 1864)

The complete writings of Thomas Say, on the conchology of the United States - Binney, W. G. (William Greene), 1833 -1909 (H. Bailliere, 1858)

The complete writings of Thomas Say, on the conchology of the United States - Binney, W. G. (William Greene), 1833 -1909 (H. Baillière, 1858)

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)

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

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

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, 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 (Henry G. Bohn ... and Sowerby, 1842)

A conchological manual - Sowerby, G. B. (George Brettingham), 1812 -1884 (G.B. Sowerby, 1839)

The conchologist's nomenclator : a catalogue of all the recent species of shells - Reeve, Lowell Augustus 1814 -1865 (Reeve Brothers, 1845)

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)

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

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 / by Thomas Barbour - Barbour, Thomas, 1884 -1946 (Printed for the Museum, 1912)

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

Contributions to the natural history of Labuan, and the adjacent coasts of Borneo - Dillwyn, Lewis Llewellyn. (J. Van Voorst, 1855)

Contributions to the theory of natural selection : a series of essays - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1871)

Contributions to the theory of natural selection. A series of essays - Wallace, Alfred Russel, 1823 -1913 (Macmillan and co, 1870)

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, 1868)

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

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)

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 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)

De glandularum secernentium structura penitiori earumque prima formatione in homine atque animalibus commentatio anatomica - Müller, Johannes, 1801 -1858 (Vossii, 1830)

De viribus herbarum - Walahfrid Strabo, 807? -849 (Leopoldi Vossii, 1832)

La défense contre l'ophidisme - Maibon, J. (Impr. Pocai-Weiss & c, 1914)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (Princeton University Press, 1981)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (D. Appleton and Company, 1896)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (Hurst, 1870)

The descent of man : and selection in relation to sex - Darwin, Charles, 1809 -1882 (P. F. Collier, 1902)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (John Murray, 1871)

The descent of man : and selection in relation to sex - Darwin, Charles, 1809 -1882 (D. Appleton and Company, 1875)

The descent of man, and selection in relation to sex - Darwin, Charles, 1809 -1882 (D. Appleton and Co, 1873)

Description de coquilles caractéristiques des terrains - Deshayes, G. P. (Gérard Paul), 1795 -1875 (F.G. Levrault, 1831)

Description des animaux sans vertèbres découverts dans le bassin de Paris pour servir de supplément à la Description des coquilles fossiles des environs de Paris comprenant une revue générale de toutes les espèces actuellement connues - Deshayes, G. P. (Gérard Paul), 1795 -1875 (Baillière Brothers, 1860)

Description of six new species of the genus Unio, embracing the anatomy of the oviduct of one of them : together with some anatomical observations on the genus - Lea, Isaac, 1792 -1886 (American Philosophical Society, 1830)

Descriptiones et icones amphibiorum - Wagler, Johann Georg, 1800 -1832 (Sumtibus J.G. Cotttae [that is, J.G. Cottae], 1833)

A descriptive catalogue of the Naiades, or pearly fresh-water mussels - Simpson, Charles Torrey, 1846 -1932 (Bryant Walker, 1914)