1.
Lordomyrma infundibuli (Hym., Formicidae), a new species of ant from Dutch New Guinea.
2.
3.
The ants of Japen Island, Dutch New Guinea (Hym., Formicidae).
Descriptions of new ants, chiefly from Waigeu Island, N. Dutch New Guinea.
Ireneidris myops gen. et sp. n. (Hym., Formicidae) from Waigeu Island, Dutch New Guinea.
The ants (Hym., Formicidae) of Waigeu Island, North Dutch New Guinea.
De mierenfauna van België (Hymenoptera: Formicidae).