Essai sur une etude au microscope electronique de la microflore des sediments argileux de cavernes = A preliminary study using an electron microscope, on the microflora of cave clay sediments / V. Caumartin. Algae and their mode of life in the Baradla cave at Aggletek II / George Claus. Progress in the biological exploration of caves and subterranean waters in Israel / I. Friedmann. Remarques sur les Japygidae (Insecta, Diplura) dans le domaine souterrain / Jean Pages. Ecologie de Fonticola notadena de Beauchamp (Turbellarie, Triclade) dans la grotte de La Balme (Isère, France); survie en periode de secheresse / par Rene Ginet et Rodolphe Puglisi. Antrolana lira, a new genus and species of troglobitic cirolanid isopod from Madison cave, Virginia / by Thomas E. Bowman. New cavernicolous millipeds of the family Cambalidae (Cambalidea: Spirostreptida) from Texas (U.S.A.) and Mexico / by Nell B. Causey.