Publication
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Notes sur les Limaces Article
Zoologische Mededelingen, 39(6), 45-47.January 1964
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Parnassiana nova : XXXVI. Nachträgliche Betrachtungen zu der Revision der Subfamilie Parnassiinae (Fortsetzung 9) Article
Zoologische Mededelingen, 40(16), 131-136.January 1964
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Some data on the status of the Spoonbill, Platalea leucorodia L., in Europe, especially in the Netherlands Article
Zoologische Mededelingen, 39(48), 481-521.January 1964
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The morphology of the palp in two families of ticks (Acarida: Ixodina). A contribution to the study of the Anactinotrichida 1) Article
Zoologische Mededelingen, 39(16), 147-152.January 1964
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On the conchological work of F.M. Regenfuss Article
Zoologische Mededelingen, 39(18), 168-179.January 1964
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Embryologie précoce de Sacculina carcini Thompson Article
Zoologische Mededelingen, 39(1), 1-11.January 1964
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On two new species of Holectypus Desor from the Senonian of South-Limburg near Maastricht, Netherlands Article
Zoologische Mededelingen, 39(25), 235-239.January 1964
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A new species of the Octocorallian genus Paragorgia trawled in Florida waters by R.V. "Gerda" Article
Zoologische Mededelingen, 39(50), 526-532.January 1964