Publication
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V. The Sponges of the „Willem Barents” Expedition 1880 and 1881 Article
Bijdragen tot de dierkunde, 12(1), 1-47.January 1885
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On deformities of the head in Salmonidae Article
Notes from the Leyden Museum, 7(3), 259-261.January 1885
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Neritina (Clithon) subocellata, v. Martens, MS Article
Notes from the Leyden Museum, 7(1), 49-50.January 1885
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Description d’un Cérambycide de Sumatra, appartenant à un genre nouveau de la tribu des Disténides Article
Notes from the Leyden Museum, 8(1), 35-36.January 1886
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Description d’une espèce nouvelle du genre Eucamptognathus, Chaud Article
Notes from the Leyden Museum, 8(4), 229-230.January 1886
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Lampyrides nouveaux ou peu connus du Musée de Leyde Article
Notes from the Leyden Museum, 8(3), 191-194.January 1886
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On a specimen of Peripatus, Guild. from Sumatra Article
Notes from the Leyden Museum, 8(1), 37-41.January 1886
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Zwei neue ost-indische Scolytiden- Gattungen Article
Notes from the Leyden Museum, 8(1), 24-26.January 1886