A history of infusoria, living and fossil. Arranged according to the "Infusionsthierchen" of C. H. Ehrenberg; containing coloured engravings, illustrative of all the genera, and descriptions of all the species in that work, with several new ones, to which is appended an account of those recently discovered in the chalk formations - Pritchard, Andrew, 1804 -1882 (Whittaker, 1842)

A history of infusoria, living and fossil: arranged according to "Die Infusionsthierchen" of C.G. Ehrenberg. Containing coloured engravings, illustrative of all the genera, and descriptions of all the species in that work, with several new ones. To which is appended an account of those recently discovered in the chalk formations - Ehrenberg, Christian Gottfried, 1795 -1876 (Whittaker and co, 1841)

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

History of Pasadena, comprising an account of the native Indian - McClatchie, Alfred James, (Pasadena history company, 1895)

History of Pasadena, comprising an account of the native Indian, the early Spanish, the Mexican, the American, the colony, and the incorporated city, occupancies of the Rancho San Pasqual, and its adjacent mountains, canyons, waterfalls and other objects of ... interest: being a complete and comprehensive histo-cyclopedia of all matters pertaining to this region - McClatchie, Alfred James, (Pasadena History Co, 1895)

History of the British Freshwater Algae, including descriptions of the Desmideae and Diatomaciae - Hassall, Arthur Hill, 1817 -1894 (Taylor, 1852)

A history of the British freshwater Algæ, including descriptions of the Desmideæ and Diatomaceæ ... - Hassall, Arthur Hill, 1817 -1894 (S. Highley ; [etc., etc.], 1845)

A history of the British freshwater Algæ, including descriptions of the Desmideæ and Diatomaceæ ... - Hassall, Arthur Hill, 1817 -1894 (Taylor, Walton, and Maberly, 1852)

A history of the British freshwater Algæ, including descriptions of the Desmideæ and Diatomaceæ - Hassall, Arthur Hill, 1817 -1894 (S. Highley, 1845)

Homoiogenesis : Beiträge zur Natur- und Heilkunde. Erstes Heft, Gammarus ornatus und seine Schmarotzer / von Dr. S. Rentsch - Rentsch, S. (Hinstorff, 1860)

Horae zoologicae. Zur vaterländischen Naturkunde ergänzende, sachliche und geschichtliche Bemerkungen - Leydig, Franz, 1821 -1908 (G. Fischer, 1902)

How to know the fresh-water algae; an illustrated key for identifying the more common fresh-water algae to genus, with hundreds of species named pictured and with numerous aids for their study - Prescott, G. W. (Gerald Webber), 1899 -1988 (W.C. Brown Co, 1954)

How to use the microscope; being practical hints on the selection and use of that instrument, intended for beginners - Phin, John, 1830 -1913 (Industrial Pub. Co, 1890)

How to use the microscope; being practical hints on the selection and use of that instrument, intended for beginners - Phin, John, 1830 -1913 (Industrial pub. co, 1882)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1882)

Hydrobiologisches und Plankton-Praktikum. Eine erste Einführung in das Studium der Süsswasserorganismen - Schurig, Walther. (Verlag von Quelle & Meyer, 1910)

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

Index Desmidiacearum citationibus locupletissimus atque bibliographia - Nordstedt, Carl Peter Ulrik, 1793 -1854 (Typis Berlingianis, 1896)

Index Desmidiacearum citationibus locupletissimus atque bibliographia. Supplementum / C.F.O. Nordstedt - Nordstedt, Carl Peter Ulrik, 1793 -1854 (Typis Berlingianis, 1908)