Julius Theodor Christian Ratzeburg

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Julius Theodor Christian Ratzeburg.

Julius Theodor Christian Ratzeburg was a German zoologist, botanist, entomologist and a forester born 16 February 1801 at Berlin . He died 24 October 1871in the same town.

He was the son of a professor at the veterinary school. He studied medicine and natural sciences at Berlin and was principally interested in botany. He became a private lecturer at the university in 1828 . At this time Ratzeburg was in contact with Alexander (1769-1859) and Wilhelm von Humboldt (1767-1835). He next became professor of Natural History at the forest school of Eberswalde at the invitation of Friedrich Wilhelm Leopold Pfeil (1783-1859). He founded the botanic garden of forestry at Eberswalde working there until his retirement in 1869. He returned to Berlin where he died aged 70 years. Ratzeburg was the author of important works on forestry and forest entomology and he is considered the founder of this discipline. He was notably interested in parasitic species. In 1827 to 824 he wrote with Johann Friedrich von Brandt (1802-1879) Medizinische Zoologie (ou Zoologie médicale) which was a stadard work for many years.

1 Some Works
- 1.1 Entomological Works
- 1.2 Other subjects
2 External link
- 2.1 Source

[edit] Some Works

[edit] Entomological Works

Die Forstinsekten, Berlin 1837–1844, three volumes and a supplement.; réédition at Vienna 1885.
Die Waldverderber und ihre Feinde, Berlin, 1841, 8th réédition of Johann Friedrich Judeich (1828-1894) and Hinrich Nitsche (1845-1902) under the title Lehrbuch der mitteleuropäischen Insektenkunde, Vienne, 1885, with a biography.
Die Ichneumonen der Forstinsekten, Berlin 1844–1852, three volumes.

The parts are:-

Ratzeburg, J.T.C. 1844 (March 31), Die Ichneumonen der Forstinsekten in entomologischer und forstlicher Beziehung 1:224pp, 4 plates Berlin. download [1]
Ratzeburg, J.T.C. 1844 (August 31), Die Ichneumonen der Forstinsekten in entomologischer und forstlicher Beziehung 3:viii+314pp, 16 plates Berlin download[2]
Ratzeburg, J.T.C. 1848, Die Ichneumonen der Forstinsekten in entomologischer und forstlicher Beziehung 2:vi+238pp, 4 tables, 3 plates Berlin down load [3]
Ratzeburg, J.T.C. 1852, Die Ichneumonen der Forstinsekten in entomologischer und forstlicher Beziehung 3:v-xviii+272pp, 3 tables Berlin
Die Nachkrankheiten und die Reproduktion der Kiefer nach dem Fraß der Forleule, Berlin, 1862.
Die Waldverderbnis oder dauernder Schaden, welcher durch Insektenfraß, Schälen etc. an lebenden Waldbäumen entsteht, Berlin, 1866–1868, two volumes.

Imge from Die Waldverderber und ihre Feinde

[edit] Other subjects

Medizinische Zoologie, avec Brandt, Berlin, 1827–1834, two volumes.
Abbildung und Beschreibung der in Deutschland wild wachsenden Giftgewächse, avec Brandt et Philipp Phöbus (1804-1880), Berlin 1834; réédition in 1838.
Forstnaturwissenschaftliche Reisen, Berlin 1842.
Die Standortsgewächse und Unkräuter Deutschlands, Berlin 1859.
Forstwissenschaftliches Schriftstellerlexikon, Berlin 1872–1873.

The standard botanical abbreviation for Ratzeburg is Ratzbg.