Online Books by
Hermann August Hagen
(Hagen, Hermann August, 1817-1893)
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Hagen, Hermann August, 1817-1893: [Limnothrips schädlich den Erbsenfelder]. (1855) (page images at HathiTrust)- Hagen, Hermann August, 1817-1893: [Rezension zweier Schriften von Menzel]. (1855) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Bastarde. (1859) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Beitrag zur Kenntniss der Myrmeleon-Arten. (1860) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Beiträge zur kenntniss der Phryganiden (s.n., 1800) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Beiträge zur Kenntniss und Synonymie der Psociden. (1866) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Bericht über Insekten-Schaden. (1859) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Bibliotheca entomologica. Die litteratur über das ganze gebiet der entomologie, bis zum jahre 1862. (W. Engelmann, 1862) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: C. Cornelius. Beiträge zur näheren Kenntniss von Periplaneta orientalis ... (1854) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Catalogue of specimens of neuropterous insects in the collection of the British museum. (London, 1858) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Catalogue of the specimens of neuropterous insects in the collection of the British museum. Part I, Termitina (London, 1858), also by British Museum (Natural History). Dept. of Zoology and John Edward Gray (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: The collection of Phytoptocecidia, or Mite galls, in the Cambridge museum. (1885) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Concerning a meteor seen in Prussia ... (1868) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Contributions from the northern transcontinental survey. Notes on the genus Pieris. (1883) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Contributions from the northern transcontinental survey. The genus Colias. (1883) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Destruction of obnoxious insects : phylloxera, potato beetle, cottonworm, Colorado grasshopper, and greenhouse pests, by application of the yeast fungus (University Press: J. Wilson & Son, 1879) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Destruction of obnoxious insects, Phylloxera potato bettle, cotton-worm, Colorado grasshopper, and greenhouse pests, by application of the yeast fungus (Cambridge., 1879) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: The Devonian insects of New Brunswick (1881) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Die devonischen Insecten. ([n.p., 1885) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Die neueren Arbeiten über das Genus Raphidia Linn. (1844) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Die Neuroptera der Linnéischen Sammlung. (1845) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Die Neuroptera des lithographischen Schiefers in Bayern. Pars 1: Tarsophlebia, Isophlebia, Stenophlebia, Anax. (Theodor Fischer, 1866) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Die Sing-Cicaden Europa's. (1855) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Enemies of Pieris menapia. (1884) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Epistola hilarans (1878), also by C. A. Dohrn (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: The first numero of Thomas Say's American entomology and two letters on the Hessian fly hitherto not mentioned among his published papers. (1884) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Fossil insects of the Dakota group. (1882) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Further material concening the Hessian fly. (1885) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Hemerobidarum synopsis synonymica. (1866) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: The house sparrow. (1877) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Illustrations of North American entomology (Stettin, 1887) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Insects injurious to fruits (1883) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Insekten im sizilianischen Bernstein im Oxforder Museum. (1862) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Insekten-Zwitter. (1863) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Limulus. (1882) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: List of papers of Dr. T.W. Harris, not mentioned in the list of his writings in the "Entomological Correspondence." (1881) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Mimicry in the colors of insects. ([Salem], 1872) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Miscellanea. (1858) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Monograph of the earlier stages of the Odonata. Sub-families Gomphina and Cordulegastrina. ([Philadelphia], 1885) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Monographie der Termiten (s.n., 1850) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Monographie des caloptérygines (C. Muquardt, 1854), also by Michel-Edmond Sélys-Longchamps (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Monographie des gomphines (C. Muquardt, 1857), also by Michel-Edmond Sélys-Longchamps (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Museum pests observed in the entomological collection at Cambridge. (1879) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: A mystery in reference to Pronuba yuccasella. (1880) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Nachricht über die entomologischen Sammlungen in Norwegen, Schweden und Dänemark. (1844) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: A new enemy of the black spruce, Abies nigra. (1880) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Notes on the genus Raphidia. (1867) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Observations on certain North American Neuroptera (s.n., 1863), also by B. D. Walsh (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: The odonat-Fauna of the island of Cuba. (1868) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: The oldest fossil insects. (1881) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: On a wingless white ant from Japan. (1868) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: On amber in North America. (Boston, 1874) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: On Attacus (Samia) Columbia and its parasites. (1875) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: On Lachlania abnormis, a new genus and species from Cuba belonging to the Ephemerina. (1868) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: On larvae of insects discharged through the urethra. (1879) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: On the color and the pattern of insects. (1882) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: On the destruction of obnoxious insects by yeast. (1880) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: On the Hessian fly in Italy. ([London], 1885) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: On the new carpet-bug. (1878) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: On the proboscis of Nemognatha. (1881) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Papilio machaon. (1883) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Periodical Literature. (1861) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Phryganidarum synopsis synonymica (s.n., 1800) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: The probable danger from white ants. (1876) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Prodromus novae inscriptionum Latinarum Helveticarum sylloges titulos Aventicenses et vicinos continens. (typis A. Fischeri (S. Collini), 1878) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Revision critique des phryganides décrites par M. Rambur d'après l'examen des individus types. (Brussels, 1860) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Revue des odonates ou libellules d'Europe (C. Muquardt, 1850), also by Michel-Edmond Sélys-Longchamps (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Scolytus rugulosus in branches of pear trees which were killed by pear-blight. (1884) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Some remarks upon white ants. (1879) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Synonymia libellularum europaearum (impressit E.J. Dalkowski, 1840) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Synopsis of the neuroptera of North America with a list of the South American species (Smithsonian Institution, 1861) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Synopsis of the neuroptera of North America. With a list of the South American species. Prepared for the Smithsonian institution (Smithsonian institution, 1861), also by Philip R. Uhler (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Synopsis of the Odonata of America (Boston, 1875) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Twelve years experience with rubber stoppers used in the biological collection of the museum in Cambridge. (1886) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: The types of Tineina in the collection of the Museum in Cambridge, Mass. (1884) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Ueber den Bohnenkäfer (Bruchus granarius Red). (1859) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Ueber die fossile Odonate Heterophlebia dislocata Westwood nebst Abbildung. (1849) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Ueber die Genitalien der männlichen Bienen, besonders der Gattung Sphecodes. (1874) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Ueber die Mikroskope Nord-Amerikas. (1870) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Ueber die Struktur des Bauchmarkes von Aeschna grandis und Acheta gryllotalpa. (1844) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Ueber einige, der Landwirthschaft schädliche Thiere, welche im Jahre 1858 in Ostpreussen beobachtet worden sind. (1858) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Ueber Hemerobius (Chrysopa) trimaculata Girard. (1860) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Ueber Phryganiden-Gehäuse. (1864) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Ueber rationelle Benennung des Geäders in den Flügeln der Insekten. (1870) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Xyloryctes satyrus. (1885) (page images at HathiTrust)
- Hagen, Hermann August, 1817-1893: Zweiter Bericht über im Jahre 1858 als schädlich beobachteten Insekten. (1859) (page images at HathiTrust)
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