353 A bulletin dedicated to Dr. J.A. Mukherjee on his 82nd birthday depicting the present position, achievements and gaps in the various fields of research, in which clays and clay minerals feature predomantly.
Sellers, W.D. and Hill, R.H. Arizona Climate, I931-1972. Univ. or Ariz. Press, Tucson, 1974, revised 2rid ed., 616 pp., U.S. $18.00. A textbook of climate and individual community climates in Arizona detailing 150 sites and including abbreviated summaries for an additional 183 sites.
North, O.S. Mineral Exploration, Mining and Processing Patents, 197~ McGraw-Hill, New York, N.Y., 1974, U.S. $ 25.00. A subject classified, fully indexed volume of abstracts of the 1973 patent literature providing immediate and long-term reference to all professional personnel with responsibility in the mineral industry.
Smiley, T.L. and Zumberga, J.H. (Editors). Polar Deserts and Modern Man. Univ. of Arizona Press, Tucson, 1974, 173 pp., U.S.
*Oaks Jr., R.Q. and DuBar, J.R. (Editors). Post-Miocene Stratigraphy Central and Southern Atlantic Coastal Plain. Utah State University Press, Logan, 1974, 275 pp., U.S. $12.00. A symposium volume composed of papers dealing with segments of the Atlantic Coastal Plain showing where the work stands and what eventually needs to be done to make a synthesis.
Smith, J.V. Feldspar Minerals, VoL I, Crystal and Physical Propertie& Springer, Berlin, 1974, 627 pp., D.M. 98,30. A coordinated critical review of the primary literature on the crystallography, physical properties, chemistry, thermodynamics and paragenesis of feldspar minerals.
Press, F. and Slaver, R. Earth. W.H. Freeman, Reading, 1974, 945 pp., £6.60. An introduction to the study of the Earth as it is carried on by geologists of today. Intended for beginning students without previous college science courses and who do not necessarily intend to specialize in geology. *seha, A.K. (Editor).lndian Journal of Earth Sciences. Ind. Soc. of Earth Sci., Calcutta, 1974, Sub. rate $10.00 annually. Volume 1, no.1 of this new journal aiming to publish the results of original scientific research of international standard in the domain of Earth Sciences. *sexena, S.K. Thermodynamics of Rockforming Crystalline Solution¢ Springer, Berlin, 1973, 188 pp., D.M. 48,00. Introduction to popular solution theories and special problems connected with the treatment of heterogeneous phase equilibria involving complex crystalline solutions written for advanced students and research workers.
$11.50. Material presented at a Symposium on Polar Deserts held in Pennsylvania in 1971 during the A.A.A.S, annual meeting.
Sokolov, A.V. (Editor). Agrochemistry of the Soils of the U.S.S.R. Wiley, Chichester, 1974, 355 pp., £11.70. A study of the Far East to determine how to control the food for the coming and present populations dependent on this area. Steele, John H. The Structure of Marine Ecosystem& Harvard Univ. Press, Cambridge Mass., 1974,128 pp., U.S. $ 7.95. With the aid of computer technology the author reconstructs a specific ecosystem of the North See in spring and summer and tests results from the model against data obtained from its real counterpart. Swift, D.J.P. et al. (Editors). Shelf Sediment Transport Process and Pattern. Dowden, Hutchinson and Ross, Stroudsburg, Penn., 1972, 656 pp. Twenty-seven papers describing in three sections, shelf hydraulic regime and mechanics of sediment transport, suspended sediment dispersal and bottom sediment dispersal. Tchernov, E. On the Pleistocene Molluscs of the Jordan Valley. Jerusalem Academic Press, 1973, 50 pp.