Illustrations of universal progress : a series of discussions - Spencer, Herbert, 1820 -1903 (D. Appleton, 1877)

Illustrations of universal progress : a series of discussions by Herbert Spencer ; with a notice of spencer's "New system of philosophy" - Spencer, Herbert, 1820 -1903 (Appleton, 1878)

Illustrations of zoology: invertebrates & vertebrates - Norwell, J. Stewart. (Y.J. Pentland, 1889)

The impenetrable sea - Constance, Arthur. (Citadel Press, 1958)

Implications of evolution - Kerkut, G. A. (Pergamon Press, 1960)

Index faunæ Novæ Zealandiæ - Hutton, Frederick Wollaston, 1836 -1905 (Dulau & Co, 1904)

Index faunæ Novæ Zealandiæ (Dulau & Co., 37 Soho Square, 1904)

Index Nudibranchia. Supplement - Russell, Henry D. (Henry Drummond), 1908 - (Dept. of Mollusks, Harvard University, 1986)

Index to publications of the New York State Natural History Survey and New York State Museum 1837-1902, also including other New York publications on related subjects - New York State Museum. (University of the State of New York, 1903)

Index zoologicus. An alphabetical list of names of genera and subgenera proposed for use in zoology as recorded in the "Zoological record" 1880-1900, together with other names not included in the "Nomenclator zoologicus" of S.H. Scudder - Zoological Society of London. (Printed for the Society, 1902)

Index zoologicus no. II. An alphabetical list of names of genera and subgenera proposed for use in zoology as recorded in the "Zoological record," vols. 38-47 inclusive (1901-1910) and the zoology volumes of the "International catalogue of scientific literature" annual issues 1-10, together with other names not included in previous nomenclators - Zoological Society of London. (Printed for the Society, 1912)

Indicis generum malacozoorum primordia : nomina subgenerum, generum, familiarum, tribuum, ... / conscripsit A. N. Herrmannsen - Herrmannsen, August Nicolaus, 1807 -1854 (Theodor Fischer, 1847)

The influence of man on animal life in Scotland; study in faunal evolution - Ritchie, James, 1882 - (University press, 1920)

Information resources on the care and use of molluscs - Animal Welfare Information Center (U.S.) (U.S. Dept. of Agriculture, Agriculture Research Service, National Agricultural Library, Animal Welfare Information Center, 2003)

Insecta svecica descripta a Leonardo Gyllenhal ... Classis I. Coleoptera sive Eleuterata. Tomus I - Linné, Carl von, 1707 -1778 (litteris F.J. Leverentz, 1808)

Insekten-Börse (1901)

The Intellectual observer (Groombridge and Sons, 1863)

The Intellectual observer (Groombridge and Sons, 1867)

Intelligence in plants and animals - Gentry, Thomas G. (Thomas George), 1843 -1905 (Doubleday, Page & co, 1900)

International catalogue of scientific literature - 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, 1905)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1906)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1907)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1908)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1909)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1910)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1911)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1912)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1913)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1914)

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

An introduction to animal morphology and systematic zoology - Macalister, Alexander, 1844 -1919 (Longmans, 1876)

An introduction to animal morphology and systematic zoology : pt. I. Invertebrata - Macalister, Alexander, 1844 -1919 (Longmans, Green, 1876)

Introduction to elementary practical biology; a laboratory guide for high-school and college students - Dodge, Charles Wright, 1863 -1934 (Harper & brothers, 1894)

Introduction to elementary practical biology; a laboratory guide for high-school and college students - Dodge, Charles Wright, 1863 -1934 (Harper & Brothers, 1894)

An introduction to geology - Scott, William Berryman, 1858 -1947 (The Macmillan Company, 1897)

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

An introduction to oceanography, with special reference to geography and geophysics - Johnstone, James, 1870 -1932 (The University press of Liverpool limited, 1923)

An introduction to palaeontology - Davies, A. Morley (Arthur Morley), 1869 -1959 (Morby, 1920)

An introduction to palaeontology - Davies, A. Morley (Arthur Morley), 1869 -1959 (T. Murby, 1920)

An introduction to the classification of animals - Huxley, Thomas Henry, 1825 -1895 (J. Churchill & sons, 1869)

Introduction to the study of biology - Nicholson, Henry Alleyne, 1844 -1899 (W. Blackwood and sons, 1872)

Introduction to the study of biology - Nicholson, Henry Alleyne, 1844 -1899 (Appleton, 1872)

An introduction to the study of cytology - Doncaster, L. (Leonard), 1877 -1920 (University Press, 1920)

An introduction to the study of cytology, by L. Doncaster ... - Doncaster, L. (Leonard), 1877 -1920 (University Press, 1920)

An introduction to the study of embryology - Haddon, Alfred C. (Alfred Cort), 1855 -1940 (Griffin, 1887)

An introduction to the study of embryology - Haddon, Alfred C. (Alfred Cort), 1855 -1940 (P. Blakiston, 1887)

An introduction to the study of fossils (plants and animals) - Shimer, Hervey Woodburn, 1872 -1965 (The Macmillan Company, 1914)

An introduction to the study of fossils (plants and animals) - Shimer, Hervey Woodburn, 1872 -1965 (The Macmillan Co, 1921)