Differential characteristics of Southwestern rattlesnakes allied to Crotalus atrox - Klauber, Laurence Monroe, 1883 -1968 (Zoological Society of San Diego, 1930)

A directory of Illinois systematists and ecologists - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1986)

Distribution and origin of life in America - Scharff, R. F. (Robert Francis), 1858 -1934 (Constable & Co, 1911)

Distribution and origin of life in America - Scharff, R. F. (Robert Francis), 1858 -1934 (Constable, 1911)

Distribution and origin of life in America - Scharff, R. F. (Robert Francis), 1858 -1934 (Macmillan, 1912)

Distribution, relative abundance, and habitat associations of amphibians and reptiles on Craig Mountain, Idaho - Llewellyn, Robin L. (Bureau of Land Management, Idaho State Office, 1998)

La diversidad biológica en Morelos : estudio del Estado - Boyas Delgado, José Concepción (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2004)

Dong wu xue da ci dian - Du, Yaquan (杜亜泉) (Shang wu yin shu guan, 1922)

Dr. H.G. Bronn's Klassen und Ordnungen des Thier-Reichs, wissenschaftlich dargestellt in Wort und Bild - Bronn, H. G. (Heinrich Georg), 1800 -1862 (C. F. Winter, 1890)

Durch Central-Brasilien : Expedition zur Erforschung des Schingú im Jahre 1884 - Steinen, Karl von den, 1855 -1929 (F.A.Brockhaus, 1886)

Dyreriget : (Laerebog i zoologien, nr. 1) - Lütken, Chr. Fr. (Christian Frederik), 1827 -1901 (Gyldendalske (F. Hegel), 1866)

ECOfronteras - ECOSUR (Institution : Mexico) (El Colegio de la Frontera Sur, 2010)

An ecogeographic analysis of the herpetofauna of the Yucatán Peninsula - Lee, Julian C. (University of Kansas, 1980)

The ecological impact of man on the south Florida herpetofauna - University of Kansas. Museum of Natural History. (University of Kansas, 1983)

An economic study of field mice (genus Microtus) - Lantz, David E. (David Ernest) (U.S. Dept. of Agriculture, Biological Survey, 1907)

Edinburgh encyclopaedia (Blackwood, 1830)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1833)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1834)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1857)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1862)

Education through nature study; foundations & methods - Munson, John P. (Kellogg, 1903)

Effects of highways on wildlife and fish with special reference to Montana a ProCite literature collection - Irby, Lynn R. (Fish and Wildlife Management Program, Montana State University, 2001)

Elémens d'histoire naturelle et de chimie - Fourcroy, Antoine-François de, comte, 1755 -1809 (Cuchet, 1786)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (Macmillan, 1890)

Elementary text-book of zoology - Masterman, Arthur T (E. & S. Livingstone, 1902)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (W. Swan Sonnenschein, 1885)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (W. S. Sonnenschein, 1884)

Elementary text-book of zoology : special part : mollusca to man - Claus, Carl, 1835 -1899 (Swan Sonnenschein, 1897)

Elementary text-book of zoology - Claus, Carl, 1835 -1899 (Macmillan, 1884)

Elementary textbook of economic zoology and entomology - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (H. Holt and company, 1915)

Elementary zoology - Kellogg, Vernon L. (Vernon Lyman), 1867 -1937 (H. Holt and company, 1902)

Elemente der palaeontologie : (Palaeozoologie) / von Rudolf Hoernes - Hoernes, Rudolf, 1850 -1912 (1884)

Eléments d'anatomie comparée - Royal College of Physicians of Edinburgh. (J.-B. Baillière, 1893)

Elements of Comparative Anatomy - Bell, F. J. (Francis Jeffrey), 1855 -1924 (1878)

Elements of comparative anatomy - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Macmillan, 1878)

Elements of comparative anatomy - Bell, F. J. (Francis Jeffrey), 1855 -1924 (Macmillan and Co, 1878)

Elements of herpetology, and of ichthyology : prepared for the use of schools and colleges - Comté, Achille, 1802 -1866 (Grigg & Elliot, 1844)

Elements of natural history, adapted to the present state of the science, containing the generic characters of nearly the whole animal kingdom, and the descriptions of the principal species - Stark, J. (W. Blackwood; [etc., etc.], 1828)

Elements of natural history : embracing zoology, botany and geology for schools, colleges and families - Ruschenberger, W. S. W. (William Samuel Waithman), 1807 -1895 (Claxton, Remsen & Haffelfinger, 1871)

Elements of physiology - Baly, William, 1814 -1861 (Taylor & Walton, 1838)

Elements of the comparative anatomy of the vertebrate animals - Wagner, Rudolph, 1805 -1864 (Longman, Brown, Green & Longman, 1845)

Elements of the comparative anatomy of the vertebrate animals : designed especially for the use of students - Wagner, Rudolph, 1805 -1864 (J.S. Redfield, 1845)

Elements of zoology - Holder, Joseph B. (Joseph Bassett), 1824 -1888 (D. Appleton and Company, 1886)

Elements of zoology - Holder, Joseph B. (Joseph Bassett), 1824 -1888 (American book company, 1885)

Elements of zoology, to accompany the field and laboratory study of animals - Davenport, Charles Benedict, 1866 -1944 (Macmillan, 1911)

Elenco sistematico degli ofidi descritti e disegnati per l'iconografia generale - Jan, G. (Giorgio), 1791 -1866 (Tip. di A. Lombardi, 1863)

Encyclopaedia londinensis, or, Universal dictionary of arts, sciences, and literature : comprehending, under one general alphabetical arrangement, all the words and substance of every kind of dictionary extant in the English language : in which the improved departments of the mechanical arts, the liberal sciences, the higher mathematics, and the several branches of polite literature, are selected from the acts, memoirs, and transactions, of the most eminent literary societies, in Europe, Asia, and America : forming a comprehensive view of the rise, progress, and present state, of human learning in every part of the world : embellished by a most magnificent set of copper-plate engravings - Jones, G. (Printed for the proprietor, by J. Adlard ..., sold at the Encyclopaedia Office ... by J. White ... and Champante and Whitrow, 1810)

Encyclopaedia londinensis, or, Universal dictionary of arts, sciences, and literature : comprehending, under one general alphabetical arrangement, all the words and substance of every kind of dictionary extant in the English language : in which the improved departments of the mechanical arts, the liberal sciences, the higher mathematics, and the several branches of polite literature, are selected from the acts, memoirs, and transactions, of the most eminent literary societies, in Europe, Asia, and America : forming a comprehensive view of the rise, progress, and present state, of human learning in every part of the world : embellished by a most magnificent set of copper-plate engravings - Jones, G. (Printed for the proprietor, by J. Adlard ..., sold at the Encyclopaedia Office ... by J. White ... and Champante and Whitrow, 1820)

Encyclopaedia londinensis, or, Universal dictionary of arts, sciences, and literature : comprehending, under one general alphabetical arrangement, all the words and substance of every kind of dictionary extant in the English language : in which the improved departments of the mechanical arts, the liberal sciences, the higher mathematics, and the several branches of polite literature, are selected from the acts, memoirs, and transactions, of the most eminent literary societies, in Europe, Asia, and America : forming a comprehensive view of the rise, progress, and present state, of human learning in every part of the world : embellished by a most magnificent set of copper-plate engravings - Jones, G. (Printed for the proprietor, by J. Adlard ..., sold at the Encyclopaedia Office ... by J. White ... and Champante and Whitrow, 1829)

Encyclopedia metodica. traducida del Frances al Castellano por D. Gregorio Manuel Sanz y Chanas. Historia natural de los animales - Daubenton, M. (Louis-Jean-Marie), 1716 -1799 (Por Don Antonio de Sancha, Se hallará en su libreria, 1788)

Encyclopédie d'histoire naturelle; ou, traité complet de cette science d'après les travaux des naturalistes les plus éminents de tous les pays et de toutes les époques: Buffon, Daubenton, Lacépède, G. Cuvier, F. Cuvier, Geoffroy Saint-Hilaire, Latreille, De Jussieu, Brongniart, etc - Chenu, Jean-Charles, 1808 -1879 (Maresq, 1851)

Encyclopédie d'histoire naturelle; ou, traité complet de cette science d'après les travaux des naturalistes les plus éminents de tous les pays et de toutes les époques: Buffon, Daubenton, Lacépède, G. Cuvier, F. Cuvier, Geoffroy Saint-Hilaire, Latreille, De Jussieu, Brongniart, etc - Chenu, Jean-Charles, 1808 -1879 (Maresq, 1874)

Encyclopédie d'histoire naturelle; ou, traité complet de cette science d'après les travaux des naturalistes les plus éminents de tous les pays et de toutes les époques: Buffon, Daubenton, Lacépède, G. Cuvier, F. Cuvier, Geoffroy Saint-Hilaire, Latreille, De Jussieu, Brongniart, etc - Chenu, Jean-Charles, 1808 -1879 (Maresq, 1880)

Endocrinology - Association for the Study of Internal Secretions (U.S.) (Association for the Study of Internal Secretions, 1917)

The English angler in Florida, with some descriptive notes of the game animals and birds - Ward, Rowland, 1848? -1912 (R. Ward, limited, 1898)

English cyclopaedia, a new dictionary of universal knowledge - Knight, Charles, 1791 -1873 (Bradbury, 1854)

Enquête sur le serpent de la Martinique [vipère fer de lance, bothrops lancéolé, etc.] - Rufz, E. 1806 -1884 (G. Bailli, 1859)

Ensaio sobre a fauna brasileira - Magalhães, Agenor Couto de (Graphicars, 1939)

Ensayo para la materia medica Mexicana :arreglado por una comisión nombrada por la Academia Médico-Quirúrgica de esta capital, quien ha dispuesto se imprima por considerarlo util - Academia Médico-Quirúrgica (Puebla Mexico) (Oficina del hospital de S. Pedro, à cargo del C. Manuel Buen-Abad, 1832)

Entomological news - American Entomological Society. (American Entomological Society, 2007)