The University of Liège welcomes you to participate in the intensive course ’Marine mammals, seabirds and pollution of marine systems’, to be held at the Faculty of Veterinary Medicine of the University of Liège, Belgium, from 29 June to 2 July 1993. A four day programme is proposed; topics: (June 29) Oceanology, trophic chains and ecology, (June 30) Eutrophication, heavy metals, organochlorines and fuel, (July 1) Pathology, and (July 2) Rehabilitation and necropsy demonstrations. More information can be obtained from Dr T. Jauniaux, Faculty of Veterinary Medicine, Department of Pathology, Sart Tilman, B 43, 4000 Liège, Belgium.