-
Mecoptera and Planipennia of Insulinde, with biological notes from Edw. Jacobson
Vol 31, Page 1
-
Neue Aphodiinen und einige synonymische Bemerkungen
Vol 31, Page 101
-
Einige neue exotische Trichopteren
Vol 31, Page 125
-
Diagnosen neuer Fische der Siboga- Expedition
Vol 31, Page 143
-
Three overlooked Chrysopetalidae
Vol 31, Page 170
-
Synopsis and list of the Helota-species known from Insulinde with description of a new species from the island of Sumbawa
Vol 31, Page 181
-
On three new Cicindelinae (Coleoptera)
Vol 31, Page 186
-
Sur quelques especes du genre Scarabaeus L
Vol 31, Page 191
-
List of the Suctoria (Retzius 1783) (Aphaniptera Kirby and Spence 1823) in the Leyden Museum
Vol 31, Page 201
-
On Gerygone- and Eurylaimus-species from Java and from Sumatra
Vol 31, Page 207
-
Report on Birds from the Netherlands received from 1 September 1908 till 1 September 1909
Vol 31, Page 211
-
Ameisen aus Java und Krakatau beobachtet und gesammelt
Vol 31, Page 221
-
A Javan species of the genus Adelotopus Hope (Coleoptera: Carabicidae)
Vol 31, Page 254