P. J. van Helsdingen

• Background Information on Invertebrates of the Habitats Directive and the Bern Convention
• A recapitulation of the nearctic species of Centromerus Dahl (Araneida, Linyphiidae) with remarks on Tunagyna debilis (Banks)
• A reclassification of the species of Linyphia Latreille
• De Nederlandse clubionidae en hun verspreiding
• The county distribution of Irish spiders
• Wie het kleine niet eert--