Please submit your announcement to this Bulletin as early as possible! Several made here were received too late for interested readers to make use of. After the event please send a summary of the doings, and/or the Proceedings, if any. Settlement of aliens was the subject of a colloquium held at Paris by the Societe de Biogeographie in October 1982, entitled ”L’homme, facteur biogéographique’, now published in the C.R. des Séances de la Société, vol. 60 (1984) 1—72. Subjects were Buddleja at Paris, Acacia in the French Mediterranean, some marine algae, and reintroduction of menaced or vanished indigenous plant species in their original habitat for the benefit of conservation.