Publication
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On a new Owl from Liberia Article
Notes from the Leyden Museum, 11(1), 34-34.January 1889
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On a new genus and a new species in the Macroglossine-group of Bats Article
Notes from the Leyden Museum, 11(4), 209-212.January 1889
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Additional remarks on Dolichoprosopis maculatus, Rits Article
Notes from the Leyden Museum, 11(4), 222-222.January 1889
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Contributions towards the knowledge of the Annelida Polychaeta Article
Notes from the Leyden Museum, 11(3), 161-186.January 1889
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Ein neues Telescopium und die Beziehung dieser Gattung zu Nerinea Article
Sammlungen des Geologischen Reichs-Museums in Leiden. Serie 1, Beiträge zur Geologie Ost-Asiens und Australiens, 4(1), 232-237.January 1889
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Untersuchungen ueber den Bau von Orbitolina (Patellina auct.) von Borneo Article
Sammlungen des Geologischen Reichs-Museums in Leiden. Serie 1, Beiträge zur Geologie Ost-Asiens und Australiens, 4(1), 209-231.January 1889
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New species of Hexagonia (Carabidae) from the Malay-Islands Article
Notes from the Leyden Museum, 11(4), 247-250.January 1889
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On the occurrence of Lampris luna, Gmel. on the Dutch coast Article
Notes from the Leyden Museum, 11(1), 85-86.January 1889