An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

Indicis generum malacozoorum primordia : nomina subgenerum, generum, familiarum, tribuum, ... / conscripsit A. N. Herrmannsen - Herrmannsen, August Nicolaus, 1807 -1854 (Theodor Fischer, 1846)

Die infusionsthierchen als vollkommene organismen. Ein blick in das tiefere organische leben der natur - Ehrenberg, Christian Gottfried, 1795 -1876 (L. Voss, 1838)

The Intellectual observer (Groombridge and Sons, 1862)

The Intellectual observer (Groombridge and Sons, 1863)

The Intellectual observer (Groombridge and Sons, 1864)

The intelligence of animals - Menault, Ernest, 1830 -1903 (C. Scribner & co, 1885)

The intelligence of animals - Menault, Ernest, 1830 -1903 (C. Scribner & co, 1870)

International catalogue of scientific literature. N, Zoology - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1901)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1916)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1889)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1899)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1900)

An introduction to geology : and its associate sciences mineralogy, fossil botany, and palaeontology - Wright, Thomas, 1809 -1884 (H. G. Bohn, 1855)

Introduction to mammalia - Smith, Charles Hamilton, 1776 -1859 (Chatto & Windus, 1840)

Introduction to the Arctic zoology - Pennant, Thomas, 1726 -1798 (Printed for Robert Faulder, 1792)

An introduction to the comparative anatomy of animals : compiled with constant reference to physiology, and elucidated by twenty copper-plates - Carus, Carl Gustav, 1789 -1869 (Longman, Rees, Orme, Brown, and Green, 1827)

An introduction to the comparative anatomy of animals compiled with constant reference to physiology, and elucidated by twenty copper-plates - Carus, Carl Gustav, 1789 -1869 (Longman, Rees, Orme, Brown, and Green, 1827)

An introduction to the natural history of fishes : being the article "Ichthyology," from ... the Encyclopædia Britannica / by James Wilson - Wilson, James, 1795 -1856 (Adam and Charles Black, [et al.], 1838)

An introduction to the osteology of the mammalia : being the substance of the course of lectures delivered at the Royal College of Surgeons of England in 1870 - Flower, William Henry, 1831 -1899 (Macmillan, 1870)

An introduction to the osteology of the Mammalia : being the substance of the course of lectures delivered at the Royal college of surgeons of England in 1870 - Flower, William Henry, 1831 -1899 (Macmillan, 1876)

An introduction to the osteology of the mammalia : being the substance of the course of lectures delivered at the Royal College of Surgeons of England in 1870 - Flower, William Henry, 1831 -1899 (Macmillan, 1876)

An introduction to the osteology of the mammalia - Flower, William Henry, 1831 -1899 (Macmillan, 1885)

An introduction to the study of conchology : describing the orders, genera, and species of shells; their most prominent characteristics, and usual mode of classification : with observations on the nature and properties of the animals; and directions for collecting, preserving, and cleaning shells.and directions for collecting, preserving, and cleaning shells - Wodarch, Charles. (Published by Longman, Hurst, Rees, Orme, and Browne, and by J. Mawe, 1820)

An introduction to the study of conchology : including observations on the Linnæan genera, and the arrangement of M. Lamarck, a glossary, and a table of English names - Brookes, Samuel (Printed for John and Arthur Arch, by Richard and Arthur Taylor, 1815)

An introduction to the study of conchology : including observations on the Linnæan genera, and the arrangement of M. Lamarck, a glossary, and a table of English names : illustrated with coloured plates - Lamarck, Jean-Baptiste Pierre Antoine de Monet de, 1744 -1829 (Printed for John and Arthur Arch, by Richard and Arthur Taylor, 1815)

An introduction to the study of fishes - Günther, Albert C. L. G. (Albert Carl Ludwig Gotthilf), 1830 -1914 (A. and C. Black, 1880)

An introduction to the study of mammals, living and extinct - Flower, William Henry, 1831 -1899 (A. and C. Black, 1891)

An introduction to the study of mammals living and extinct - Flower, William Henry, 1831 -1899 (A. and C. Black, 1891)

An introduction to the systematic zoology and morphology of vertebrate animals - Macalister, Alexander, 1844 -1919 (Hodges, Foster and Figgis, 1878)

Introduction to zoology... - Patterson, Robert, 1802 -1872 (Simms and MIntyre, 1854)

An introduction to zoology, for the use of High schools - Wright, R. Ramsay (Robert Ramsay), 1852 -1933 (Copp, Clark, 1889)

An introduction to zoology for the use of high schools - Wright, R. Ramsay (Robert Ramsay), 1852 -1933 (Copp, Clark, 1889)

Introduction to zoology, for the use of schools - Patterson, Robert, 1802 -1872 (Simms and M'Intyre, A. Chambers, 1848)

Introduction to zoology : for the use of schools - Patterson, Robert, 1802 -1872 (Simms and M'Intyre, 1848)

Io. Christ. Polyc. Erxleben Phil. D. ... Systema regni animalis per classes, ordines, genera, species, varietates : cvm synonymia et historia animalivm : Classis I. Mammalia - Erxleben, Johann Christian Polycarp, 1744 -1777 (Impensis Weygandianis, 1777)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1817)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1819)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1824)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1825)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1826)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1828)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1829)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1831)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1832)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1833)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1834)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1835)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1836)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1837)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1838)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1839)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1841)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1843)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1844)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1845)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1846)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1848)

Jacobi Theodori Kleinii ichthyologia enodata sive index rerum ad historiam piscium naturalem synomymis recentissimorum systematicorum explicatus / ab Johanne Julio Walbaum - Klein, Jacob Theodor, 1685 -1759 (1793)

Jahrbuch der Kaiserlich Königlichen Geologischen Reichsanstalt - K.K. Geologische Reichsanstalt (Austria) (K.K. Hof- und Staats-Druckerei, 1858)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1900)

Jahresbericht der Naturhistorischen Gesellschaft zu Hannover - Naturhistorische Gesellschaft zu Hannover. (In Commission der Hahnśchen Verlagsbuchhandlung, 1865)

Jahresbericht des Naturwissenschaftlichen vereins in Halle - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (1849)

Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg - Staatliches Museum für Naturkunde in Stuttgart. (1883)

Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg - Staatliches Museum für Naturkunde in Stuttgart. (1886)

Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg - Staatliches Museum für Naturkunde in Stuttgart. (1888)

Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg - Staatliches Museum für Naturkunde in Stuttgart. (1893)

Japanische Meeres-Conchylien. Ein Beitrag zur Kentniss der Mollusken Japan's mit besonderer Rücksicht auf die geographische Verbreitung derselben - Lischke, Carl Emil (T. Fischer, 1869)

Jeffersoniana : contributions from the Virginia Museum of Natural History - Virginia Museum of Natural History. (Virginia Museum of Natural History, 2003)

Jenaische Zeitschrift für Naturwissenschaft - Medizinisch-naturwissenschaftliche Gesellschaft zu Jena. (Gustav Fischer [etc.], 1864)

Jenaische Zeitschrift für Naturwissenschaft - Medizinisch-naturwissenschaftliche Gesellschaft zu Jena. (Gustav Fischer [etc.], 1898)

Jenaische Zeitschrift für Naturwissenschaft - Medizinisch-naturwissenschaftliche Gesellschaft zu Jena. (Gustav Fischer [etc.], 1901)

Jenaische Zeitschrift für Naturwissenschaft - Medizinisch-naturwissenschaftliche Gesellschaft zu Jena. (Gustav Fischer [etc.], 1904)

Jenaische Zeitschrift für Naturwissenschaft - Medizinisch-naturwissenschaftliche Gesellschaft zu Jena. (Gustav Fischer [etc.], 1905)

Jenaische Zeitschrift für Naturwissenschaft - Medizinisch-naturwissenschaftliche Gesellschaft zu Jena. (Gustav Fischer [etc.], 1909)