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)

The chain of life in geological time a sketch of the origin and succession of animals and plants - Dawson, J. W., (John William), 1820 -1899 (Religious Tract Society, 1880)

Chamber's encyclopaedia, a dictionary of universal knowledge (Chambers, 1902)

Chambers's information for the people - Chambers, Robert, 1802 -1871 (Chambers, 1884)

Chapters on the natural history of the United States - Shufeldt, Robert Wilson 1850 -1934 (Studer Bros, 1897)

Chapters on the natural history of the United States - Shufeldt, Robert Wilson 1850 -1934 (Studer Brothers, 1900)

Check-list of North American Batrachia and Reptilia with a systematic list of the higher groups and an essay on geographical distribution, based on the specimens contained in the U. S. National Museum - Cope, E. D. (Edward Drinker), 1840 -1897 (G.P.O, 1875)

A checklist of the vertebrate animals of Kansas - Collins, Joseph T. (Museum of Natural History, University of Kansas, 1991)

Chordate anatomy - Neal, Herbert V. (Herbert Vincent), 1869 -1940 (P. Blakiston's Son & Co, 1939)

The chordates - Rand, Herbert W. (Herbert Wilbur), 1872 -1960 (Blakiston, 1950)

The chromosomes - White, M. J. D. (Michael James Denham),‏ ‎ 1910 -1983 (Chemical Pub. Co, 1937)

A civic biology : presented in problems - Hunter, George W. (George William), 1873 -1948 (American Book Company, 1914)

A civic biology, presented in problems - Hunter, George W. (George William), 1873 -1948 (American Book Company, 1914)

Civic biology; a textbook of problems, local and national, that can besolved only by civic cooperation - Dawson, Jean, 1873 - (Ginn and company, 1918)

Civic biology; textbook of problems, local and national, that can be solved only by civic coöperation - Dawson, Jean, 1873 - (Ginn, 1918)

Civic biology, a textbook of problems, local and national, that can be solved only by civic coöperation - Hodge, Clifton F. (Clifton Fremont), 1859 -1919 (Ginn, 1918)

Civic biology; a textbook of problems, local and national, that can be solved only by civic coöperation - Dawson, Jean, 1873 - (Ginn and Company, 1918)

A classification of living animals - Rothschild, Nathaniel Mayer Victor Rothschild, Baron, 1910 -1990 (Wiley, 1961)

Classification of the animal kingdom - Blackwelder, Richard Eliot 1909 -2001 (Southern Illinois University Press, 1963)

Classification of the chalcid flies, or the superfamily Chalcidoidea, with descriptions of new species in the Carnegie museum, collected in South America by Herbert H. Smith - Ashmead, William H. (William Harris), 1855 -1908 (Carnegie institute, 1904)

Classification of the collection to illustrate the animal resources of the United States. A list of substances derived from the animal kingdom, with synopsis of the useful and injurious animals and a classification to the methods of capture and utilization - Goode, G. Brown (George Brown), 1851 -1896 (Govt. print. off, 1876)

Collected essays - Huxley, Thomas Henry, 1825 -1895 (Macmillan, 1893)

Collected essays - Huxley, Thomas Henry, 1825 -1895 (Appleton, 1894)

The collected scientific papers of the late William Alexander Forbes - Beddard, Frank E. (Frank Evers), 1858 -1925 (R.H. Porter, 1885)

College zoology - Hegner, Robert William, 1880 -1942 (The Macmillan company, 1912)

College zoology - Hegner, Robert William, 1880 -1942 (Macmillan, 1918)

The common frog - Mivart, St. George Jackson, 1827 -1900 (Macmillan, 1874)

The common frog - Mivart, St. George Jackson, 1827 -1900 (Macmillan and co, 1874)

The common frog - Mivart, St. George Jackson, 1827 -1900 (Macmillan and co, 1881)

Comparative anatomy and physiology - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Cassell, 1885)

Comparative anatomy and physiology - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Lea Brothers, 1885)

Comparative anatomy - Neal, Herbert V. (Herbert Vincent), 1869 -1940 (P. Blakiston's Son, 1936)

The comparative anatomy of the teeth of the vertebrata - Wortman, J. L. (Jacob Lawson), 1856 -1926 (1886)

Comparative anatomy of vertebrates - Kingsley, J. S. (John Sterling), 1854 -1929 (P. Blakiston's son & co, 1912)

Comparative anatomy of vertebrates - Wiedersheim, Robert, 1848 -1923 (Macmillan and co., limited, 1907)

Comparative anatomy of vertebrates - Wiedersheim, Robert, 1848 -1923 (Macmillan and co., limited, 1967)

Comparative dental anatomy - Dewey, Martin, 1881 - (C.V. Mosby, 1915)

Comparative embryology of the vertebrates; with 2057 drawings and photos. grouped as 380 illus - Nelsen, Olin E. (Olin Everett), 1898 - (Blakiston, 1953)

Comparative meristic variability in whiptail lizards (Teiidae, Aspidoscelis) : samples of parthenogenetic A. tesselata versus samples of sexually reproducing A. sexlineata, A. marmorata, and A. gularis septemvittata - Cole, Charles J. (American Museum of Natural History, 2012)

Comparative zoology - Orton, James, 1830 -1877 (Harper & brothers, 1894)

Comparative zoology : structural and systematic, for use in schools and colleges - Orton, James, 1830 -1877 (Harper, 1895)

Comparative zoology, structural and systematic : for use in schools and colleges - Orton, James, 1830 -1877 (Harper & Brothers, 1889)

Comparative zoology, structural and systematic : for use in schools and colleges - Orton, James, 1830 -1877 (Harper & Bros, 1883)

Comparative zoology, structural and systematic, for use in schools and colleges - Orton, James, 1830 -1877 (Harper & brothers, 1884)

Comparative zoology, structural and systematic, for use in schools and colleges - Orton, James, 1830 -1877 (American book company, 1904)

Comparative zoology, structural and systematic. For use in schools and colleges - Orton, James, 1830 -1877 (Harper and brothers, 1880)

Comparative zoology, structural and systematic, for use in schools and colleges - Orton, James, 1830 -1877 (Harper & brothers, 1893)

A complete late Cretaceous iguanian (Squamata, Reptilia) from the Gobi and identification of a new iguanian clade - Norell, Mark A. (American Museum of Natural History, 2007)

Compte-rendu des séances du Troisième congrès international de zoologie : Leyden - 16-21 Septembre - l895 (E.J. Brill, 1895)

Conference on the aspects of paleontology - Clarke, John Mason, 1857 -1925 (1910)

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)

Contributions in natural history : a memorial volume in honor of Clyde Jones - Manning, Richard W. (Museum of Texas Tech University, 2016)

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, 1984)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1985)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1987)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1989)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 2002)

Contributions to Canadian palæontology - Geological Survey of Canada (Printed by S. E. Dawson, 1908)

Contributions to the extinct vertebrate fauna of the western territories - Leidy, Joseph, 1823 -1891 (Govt. Print. Off, 1873)

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 study of Heloderma Seuspectum - Shufeldt, Robert Wilson 1850 -1934 (The Society, 1890)

Cope papers, 1871-[1897 - Cope, E. D. (Edward Drinker), 1840 -1897 (1871)