Publication
-
Neue Mollusken aus dem Jura von Borneo Article
Sammlungen des Geologischen Reichs-Museums in Leiden. Serie 1, Beiträge zur Geologie Ost-Asiens und Australiens, 6(1), 40-76.January 1899
-
On three apparently new species of Birds from the islands Batu, Sumbawa and Alor Article
Notes from the Leyden Museum, 20(4), 224-226.January 1899
-
Descriptions of Earthworms Article
Notes from the Leyden Museum, 21(1/3), 27-30.January 1899
-
Aspidosiphon Cylindricus, n. sp Article
Notes from the Leyden Museum, 20(4), 195-198.January 1899
-
On a new variety of Leptopoma manadense Pfr Article
Notes from the Leyden Museum, 21(1/3), 31-32.January 1899
-
Merula Javanica (Horse.) and M. fumida (S. Müll.) two distinct species Article
Notes from the Leyden Museum, 20(4), 227-230.January 1899
-
The evolution of colour in Lepidoptera Article
Notes from the Leyden Museum, 22(1/2), 1-24.January 1900
-
Zur Catalogisirung der ornithologischen Abtheilung Article
Notes from the Leyden Museum, 22(1/2), 75-125.January 1900