Congress photographs. 44, 50, 88.

Nève, G., Bernard Barascud & Jack J. Windig. Population biology of Proclossiana eunomia: Preliminary results on morphometric and allozyme variation in Belgian and French populations (Lepidoptera, Nymphalidae). 3—12.

Viejo, J. L., J. Cifuentes & J. Martin. Variation saisonnière des peuplements de macrohétérocères en Navarre (Lepidoptera). 13—43.

Spitzer, K. Biogeographical and ecological determinants of the central European peat bog Lepidoptera: the habitat island approach to conservation. 45—49.

Waring, P. Conserving Britain’s rarest moths. 51—64.

Koponen, S. The butterfly fauna of the eastern coast of Hudson Bay and James Bay (Canada), with particular reference to the Holarctic element. 65—72.

Mikkola, K. Inferences about the function of genitalia in the genus Eupithecia, with description of a new organ (Lepidoptera, Geometridae). 73—78.

Traugott-Olsen, E. The use of wing venation as an additional aid in the identification of species of Elachista, as demonstrated by a study of the E. dispunctella (Duponchel, 1843) complex (Lepidoptera, Elachistidae). 79—87.

Dall’Asta, U. The genitalia of Eudasychira Möschler; morphology and evolution (Lepidoptera, Lymantriidae). 89—92.

Lattes, A., P. Mensi, L. Cassulo & E. Balletto. Genotypic variability in western European members of the Erebia tyndarus species group (Lepidoptera, Satyridae). 93—104.

Mensi, P., A. Lattes, L. Cassulo & E. Balletto. Biochemical taxonomy and evolutionary relationships in Polyommatus (subgenus Agrodiaetus) (Lepidoptera, Lycaenidae). 105—114.

Tarmann, G. A preliminary review of the classification of the zygaenid subfamily Procridinae (Lepidoptera). 115—123.

List of other presentations and posters. 124—126.

List of delegates. 126—128.