Works
- with Edmond de Sélys Longchamps. “Revue des odonates ou Libellules d'Europe.” Mémoires de la Société Royale des Sciences de Liége 6:1-408 (1850).
- Monographie der Termiten (1855-1860).
- Synopsis of North American Neuroptera (1861). This work was written at the request of the Smithsonian Institution. Some of the terms used by Hagen were not well explained in this work. This was corrected by the Irish Entomologist Alexander Henry Haliday in 1857 in “Explanation of terms used by Dr Hagen in his synopsis of the British Dragon-flies,” Entomologists' Annual 164-15, Fig.
- Bibliotheca Entomologica (1862-1863). This work, listing all entomological literature up to 1862, was found in all the major entomology libraries. It was the “entomologist's bible.”
He wrote over 400 articles.
Read more about this topic: Hermann August Hagen
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A dance-like glory that those walls begot.”
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Every thing is kin of mine.”
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“The mind, in short, works on the data it receives very much as a sculptor works on his block of stone. In a sense the statue stood there from eternity. But there were a thousand different ones beside it, and the sculptor alone is to thank for having extricated this one from the rest.”
—William James (1842–1910)