Darwin Correspondence Project

German zoologist. Studied medicine at the University of Berlin and passed the state medical examination in 1852 but never practised. Habilitated in zoology, University of Berlin, 1856; became keeper of the entomological collection at the Berlin zoological museum, 1856. Docent in zoology at the agricultural institute, Berlin, 1864; professor extraordinarius, 1874. Professor of zoology, University of Greifswald, 1876. Co-editor with Julius Victor Carus of the Handbuch der Zoologie (1863), for which he wrote the chapter on arthropods.