Publication
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Plants collected by Th. Herzog on his second Bolivian journey, 1910—1911. Part IX. Labiatae Article
Blumea: Biodiversity, Evolution and Biogeography of Plants, 6(2), 355-357.January 1950
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Note on a Collection of Decapoda Branchyura from the Coasts of Mexico, includung the Description of a new Genus and Species Article
Zoologische Mededelingen, 30(17), 269-282.January 1950
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The Limacidae of the Canary Islands Article
Zoologische Verhandelingen, 11(1), 1-34.January 1950
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On a specimen of the rare fin whale, Balaenoptera Edeni Anderson, stranded on Pulu Sugi near Singapore Article
Zoologische Verhandelingen, 9(1), 1-26.January 1950
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The fossil Hippopotamidae of Asia, with notes on the recent species Article
Zoologische Verhandelingen, 8(1), 1-124.January 1950
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On two Appias species from Celebes and a note regarding Delias sthenobaea (Boisd.) (Rhopalcera, Pieridae) Article
Zoologische Mededelingen, 31(6), 63-66.January 1950
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Miscellaneous information Article
Flora Malesiana Bulletin, 6(1), 160-162.January 1950
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Harietella simulans (T. Scott, 1894), a commesal Copepod on Limonoria lignorum (Rathke) Article
Zoologische Mededelingen, 30(20), 297-305.January 1950