388 stationary satellites, and Earth surface temperature. G. Dbrhofer and E.H. Davis, 1980. Evolution of Archeopyle and Tabulation in Rhaetogonyaulacinean Dinoflogellate Cysts. Davis. 1980. pp. 92. Can $5.50. A Life Sciences Miscellaneous Publication of the Royal Ontario Museum, Toronto, Ont., 92 pp., Can. $ 5.50. A study of the phylogeny and evolution of dinoflagellates. C. Cavelier and J. Roger (Editors), 1980. Les Etages Fran£ais et Leur Stratotypes. M~moir No. 109. 8.R.G.M., Orleans, 295 pp., F F. 260.00. A collection of 44 articles, prepared under the auspices of the Comit~ Fran~ais de Stratigraphie, defining and describing all stages and sub-stages as originally defined in France and now actually used in the international literature. J.-J. Ch&teauneuf, 1980. Palynostratigraphie et pal~oclimatologie de I'Eoc~ne Sup#rieur et de I'Oligoc~ne du Bassin de Paris. In French with an abstract in English. Published as Memoir No. 116 by B.R.G.M., Orleans, 420 pp., FF 250.00.
J.W. Glen et al. (Editors), 1979. Symposium on Glacier Beds: the Ice-Rock Interface. A collection of 28 papers, representing the proceedings of a symposium, held in Ottowa, 15--19 August, 1978. Journal of Glaciology, Vol. 23, No. 89,445 pp., £ 25.00. Published by the International Glaciological Society, Cambridge, England. Topic of the symposium was glacier sliding and erosion -theory and modelling of glacier sliding processes and its implications for growth arid decay of ice-sheets. R.K. Verma, 1980. Master Tables for Electromagnetic Depth Sounding Interpretation. Plenum, New York, N.Y., 473 pp., US $ 75.00. After a short discussion (27 pp.) of the theory and interpretation of EM sounding, the rest of the book is occupied by a computer output of numerical tables of mutual coupling ratios for horizontal co-
planar, perpendicular, and vertical co-planar loop configurations on the surface of a fourand three-layer earth. Carte hydrog~ologique de la France 1/1.500.000. Syst~mes aquif~res. Coloured map of 92 X 87 cm, accompanied by explanatory notes (36 pp.) in French. Published by B.R.G.M., Orleans, 1980, FF 140.00. Carte g~ologique de la France et de la marge continentale ~ 1/1,500,000. Coloured map of 92 X87 cm, accompanied by explanatory notes (102 pp.) in French. Published by B.R.G.M., Orleans, 1980, FF 90.00. Carte mini~re de la France & I/1.500.000. Coloured map of 92 X 87 cm, accompanied by explanatory notes by P. Rouveyrol and M. Bornuat (18 pp.) in French. Published by B.R.G.M., Orleans, 1980, FF 81.00. Carte tectonique de la France ~ 1/1.000.000 Two coloured sheets of 133 X58 cm each, accompanied by explanatory notes by A. Autran et al. (52 pp.) in French. Coordination J.C. Chiron. Published as Memoir No. 110 by B.R.G.M., Orleans, 1980, FF 250.00. Cartes des g~tes min~raux de la France 1/500.000. Four sheets have been published up to today: Rouen, Nantes, Lyon and Marseille, each accompanied by explanatory notes in the form of tables listing all mineral deposits of the particular sheet and their principal characteristics. A total of eight sheets are planned. Price per sheet plus notes FF 100.00. Subscription price (8 sheets) FF 700.00. Published by B.R .G .M., Orleans, France. A Geological Map of Ethiopia and Somalia at 1/2.000.000, and Comment With a Map of Major Landforms. Compiled by G. Merla et al., 1980. Pergamon Press Oxford, U.S. $ 60.00 (£ 27.50). Coloured geological map measuring 120 X 80 cm accompanied by explanatory notes (95 pp.) including 36 colour pictures and a four-colour map of the same area on scale 1/3.000.000 featuring major landforms.