A history of Infusoria : including the Dismidiaceoe and Diatomaceoe, British and foreign - Arlidge, J. T. 1822 -1899 (Whittaker, 1861)

A history of infusorial animalcules, living and fossil ... - Pritchard, Andrew, 1804 -1882 (Whittaker and co, 1852)

History of the British marine Polyzoa - Hincks, Thomas, 1818 -1899 (Voorst, 1880)

A history of the British marine polyzoa - Hincks, Thomas, 1818 -1899 (J. Van Voorst, 1880)

A history of the British marine Polyzoa - Hincks, Thomas, 1818 -1899 (J. Van Voorst, 1880)

A history of the British sessile-eyed Crustacea - Westwood, J. O. (John Obadiah), 1805 -1893 (J. Van Voorst, 1863)

A history of the British sessile-eyed Crustacea - Westwood, J. O. (John Obadiah), 1805 -1893 (J. Van Voorst, 1868)

The history of the collections contained in the Natural history departments of the British museum... - British Museum (Natural History) (Printed by order of the Trustees, 1906)

History of the inductive sciences : from the earliest to the present time - Whewell, William, 1794 -1866 (D. Appleton, 1875)

History of the inductive sciences, from the earliest to the present time - Whewell, William, 1794 -1866 (J.W. Parker, 1847)

Holiday excursions of a naturalist, forming a guide-book to the natural history of the inland and littoral - Garner, Robert, 1808 -1890 (Hardwicke, 1867)

Horae entomologicae, or, Essays on the annulose animals - Macleay, William Sharp, 1792 -1865 (Printed for S. Bagster, 1819)

How animals work - Duncan, F. Martin (Francis Martin), 1873 -1961 (Jack, 1919)

How animals work - Duncan, Francis Martin. (T. C. & E. C. Jack, ltd, 1918)

Human physiology - Welby, Frances A. (Frances Alice) (Macmillan and co, 1911)

The human species, considered from the standpoints of comparative anatomy, physiology, pathology and bacteriology - Hopf, Ludwig, 1838 - (Longmans, 1909)

Humble creatures; The earthworm and the common housefly, in eight letters part 1 - Hicks, John Braxton (J. Van Voorst, 1860)

Iconographic encyclopaedia of science, literature, and art - Baird, Spencer Fullerton, 1823 -1887 (R. Garrigue, 1851)

Iheringia Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1967)

Iheringia Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1991)

Iheringia Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1992)

Iheringia Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1996)

Iheringia Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1998)

Iheringia Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1999)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1915)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1916)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1922)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1924)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1927)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1929)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1942)

Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 1987)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1996)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son & Co, 1900)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (Balliére, Tindall & Cox, 1894)

An illustrated dictionary of medicine, biology and allied sciences ... by George M. Gould. 5th ed., with additions and corrections - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son, 1907)

An illustrated dictionary of scientific terms - Rossiter, William, 1897 (G. P. Putnam's Sons, 1878)

Illustrated natural history - Wood, J. G. (John George), 1827 -1889 (Home Bk. Co, 1880)

Illustrated natural history of the animal kingdom : being a systematic and popular description of the habits, structure, and classification of animals from the highest to the lowest forms, with their relations to agriculture, commerce, manufactures, and the arts - Goodrich, Samuel G. (Samuel Griswold), 1793 -1860 (Derby & Jackson, 1859)

Illustrated natural history of the animal kingdom, being a systematic and popular description of the habits, structure, and classification of animals from the highest to the lowest forms, with their relations to agriculture, commerce, manufactures, and the arts - Goodrich, Samuel G. (Samuel Griswold), 1793 -1860 (Derby & Jackson, 1859)

Illustrated natural history of the animal kingdom, being a systematic and popular description of the habits, structure, and classification of animals from the highest to the lowest forms, with their relations to agriculture, commerce, manufactures, and the arts - Goodrich, Samuel G. (Samuel Griswold), 1793 -1860 (Derby & Jackson, 1865)

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

Illustrations of zoology. The engravings by F.W. Lowry and Thomas Landseer (John Joseph Griffin and Co, 1851)

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)

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)

Infusoria - Duncan, P. Martin (Peter Martin), 1821 -1891 (1882)

The inland lakes of Wisconsin ; The plankton 1 Its quantity and chemical composition - Birge, E. A. (Edward Asahel), 1851 -1950 (The State, 1922)

The inland lakes of Wisconsin. The plankton. I. Its quantity and chemical composition - Birge, E. A. (Edward Asahel), 1851 -1950 (Pub. by the state, 1922)

Insects abroad : being a popular account of foreign insects, their structure, habits, and transformations - Wood, J. G. (John George), 1827 -1889 (Longmans, Green, and Co, 1883)

Insects : their life-histories and habits - Bastin, Harold. (T.C. & E.C. Jack, 1913)

The Intellectual observer (Groombridge and Sons, 1862)

The Intellectual observer (Groombridge and Sons, 1863)

The Intellectual observer (Groombridge and Sons, 1864)

The Intellectual observer (Groombridge and Sons, 1865)

The Intellectual observer (Groombridge and Sons, 1866)

The Intellectual observer (Groombridge and Sons, 1867)

The Intellectual observer (Groombridge and Sons, 1868)

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, 1905)