Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur - Ehrenberg, Christian Gottfried, 1795 -1876 (L. Voss, 1838)

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

Die Infusionsthiere auf ihre Entwickelungsgeschichte - Stein, Friedrich, 1818 -1885 (Engelmann, 1854)

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)

Les insectes de la vigne - Mayet, Valéry, 1839 - (Camille Coulet, Librarier-Éditeur, 1890)

Insectivorous plants - Darwin, Charles, 1809 -1882 (D. Appleton, 1896)

Insectivorous plants - Darwin, Charles, 1809 -1882 (D. Appleton and Co, 1884)

Insectivorous plants - Darwin, Charles, 1809 -1882 (D. Appleton, 1899)

Insectivorous plants - Darwin, Charles, 1809 -1882 (D. Appleton, 1897)

Insects at home, being a popular account of those insects which are useful or destructive and minutely describing their structure, habits, etc - Wood, J. G. (John George), 1827 -1889 (Alden, 1884)

Instinct and intelligence - Macnamara, Nottidge Charles, 1832 -1918 (H. Frowde, 1915)

Instinct and intelligence - Macnamara, Nottidge Charles, 1832 -1918 (Frowde, 1915)

The Intellectual observer (Groombridge and Sons, 1862)

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

The inter-relationships of flagellata and primitive algae - Cavers, F. (Francis), 1876 -1936 (Wesley, 1913)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1905)

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1902)

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

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

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

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

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

International catalogue of scientific literature. M, Botany - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1915)

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, 1901)

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, 1913)