Publication
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A new Species of Spadella (Benthic Chaetognatha) Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 34(1), 73-89.January 1970
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Ecology and morphological characters of different populations of Poecilia sphenops vandepolli (Cyprinidontidae) Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 32(1), 102-130.January 1970
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Comments on systematics and zoogeography of bats in the Lesser Antilles Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 32(1), 131-145.January 1970
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Spirorbinae (Polychaeta) from the West Indies Article
Studies on the Fauna of Curaçao and other Caribbean Islands, 32(1), 58-81.January 1970
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Generic characters of the south american Corduliidae, with descriptions of the species found in the Guyanas Article
Studies on the Fauna of Suriname and other Guyanas, 12(1), 1-42.January 1970
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Two new species of Hydrodessus from Suriname, with a key to the known species (Coleoptera: Dytiscidae) Article
Studies on the Fauna of Suriname and other Guyanas, 12(1), 152-158.January 1970
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Hydrometridae of Suriname and the Amazon, with additional records of other neotropical species (Hemiptera – Heteroptera) Article
Studies on the Fauna of Suriname and other Guyanas, 12(1), 139-151.January 1970
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Records of south american Notonectidae mainly from the Amazon-region Article
Studies on the Fauna of Suriname and other Guyanas, 12(1), 71-93.January 1970