Contents 14 July 1972 Vol 177, Issue 4044Contents Ecologists By Bruce L. Welch Science14 Jul 1972 : 115 Full AccessRestricted Access PDF Letters to the Editor By Walter E. Westman Science14 Jul 1972 : 115-116 Full AccessRestricted Access PDF Technology Assessment By Jeffrey Frey Science14 Jul 1972 : 116 Full AccessRestricted Access PDF PCB's in the Environment By Cyrus Adler Science14 Jul 1972 : 116-118 Full AccessRestricted Access PDF Letters to the Editor By Jerry L. Mosser, Nicholas S. Fisher, Tzu-Chiu Teng, Charles F. Wurster Science14 Jul 1972 : 118-119 Full AccessRestricted Access PDF Canceled Invitation By Ju-Chin Chen Science14 Jul 1972 : 119 Full AccessRestricted Access PDF The Fourth Revolution By Philip H. Abelson Science14 Jul 1972 : 121 Full AccessRestricted Access PDF Spectroscopic Studies of Molecular Structure By G. Herzberg Science14 Jul 1972 : 123-138 Full AccessRestricted Access PDF Forest Fuel Accumulation—A Growing Problem By Marvin Dodge Science14 Jul 1972 : 139-142 Full AccessRestricted Access PDF The Politics of Projection: A Critique of Cartter's Analysis By Ted R. Vaughan, Gideon Sjoberg Science14 Jul 1972 : 142-147 Full AccessRestricted Access PDF Minorities in the Geosciences: Beyond the Open Door By Robert Gillette Science14 Jul 1972 : 148-151 Full AccessRestricted Access PDF Agnes Imperils Chesapeake Bivalves By Constance Holden Science14 Jul 1972 : 149 Full AccessRestricted Access PDF High Voltage Engineering: Accelerating Away from Science By William D. Metz Science14 Jul 1972 : 151-153 Full AccessRestricted Access PDF Spain (II): An Understanding with the Americans By John Walsh Science14 Jul 1972 : 153-155 Full AccessRestricted Access PDF Baker to Leave NIH for Hazleton Labs By B. J. C. Science14 Jul 1972 : 155 Full AccessRestricted Access PDF X-rays from Heavy Ions: New Molecular Phenomena By William D. Metz Science14 Jul 1972 : 156-157 Full AccessRestricted Access PDF The Sex Steroids. Molecular Mechanisms. Kenneth W. McKerns, Ed. Appleton-Century-Crofts, New York, 1971. x, 454 pp., illus. $24.95. Biochemical Endocrinology By Eugene Spaziani Science14 Jul 1972 : 158 Full AccessRestricted Access PDF Trees. Structure and Function. Martin H. Zimmerman and Claud L. Brown. With a chapter by Melvin L. Tyree. Springer-Verlag, New York, 1971. xiv, 336 pp., illus. $19.80 By S. D. Richardson Science14 Jul 1972 : 158-159 Full AccessRestricted Access PDF Normal Sleep in Man. An Experimental Contribution to Our Knowledge of the Phenomenology of Sleep. Uroš J. Jovan-ovič. Hippokrates, Stuttgart, 1971. 328 pp., illus. $30 By Elliot D. Weitzman Science14 Jul 1972 : 159-160 Full AccessRestricted Access PDF Books Received Science14 Jul 1972 : 160 Full AccessRestricted Access PDF Accretionary Processes in the Early Solar System: An Experimental Approach By John F. Kerridge, James F. Vedder Science14 Jul 1972 : 161-163 Full AccessRestricted Access Abstract PDF Telecommunications with Muon Beams By Richard C. Arnold Science14 Jul 1972 : 163-164 Full AccessRestricted Access Abstract PDF Petrified Peat from a Paleocene Lignite in North Dakota By Francis T. C. Ting Science14 Jul 1972 : 165-166 Full AccessRestricted Access Abstract PDF Around-the-World Atomic Clocks: Predicted Relativistic Time Gains By J. C. Hafele, Richard E. Keating Science14 Jul 1972 : 166-168 Full AccessRestricted Access Abstract PDF Around-the-World Atomic Clocks: Observed Relativistic Time Gains By J. C. Hafele, Richard E. Keating Science14 Jul 1972 : 168-170 Full AccessRestricted Access Abstract PDF Asbestos Contamination of Parenteral Drugs By W. J. Nicholson, C. J. Maggiore, I. J. Selikoff Science14 Jul 1972 : 171-173 Full AccessRestricted Access Abstract PDF Crustacean Color-Change Hormone: Amino Acid Sequence and Chemical Synthesis By Per Fernlund, Lars Josefsson Science14 Jul 1972 : 173-175 Full AccessRestricted Access Abstract PDF Pitting Function of the Spleen in Malaria: Ultrastructural Observations By Bertram Schnitzer, Thomas Sodeman, Michael L. Mead, Peter G. Contacos Science14 Jul 1972 : 175-177 Full AccessRestricted Access Abstract PDF Sex Pheromone of the Codling Moth: Structure and Synthesis By Leslie M. McDonough, Donald A. George, B. A. Butt, John M. Ruth, Kenneth R. Hill Science14 Jul 1972 : 177-178 Full AccessRestricted Access Abstract PDF Genetics of the Antibody Response to Dextran in Mice By Bonnie Blomberg, William R. Geckeler, Martin Weigert Science14 Jul 1972 : 178-180 Full AccessRestricted Access Abstract PDF Benzodiazepines: Anxiety-Reducing Activity by Reduction of Serotonin Turnover in the Brain By C. David Wise, Barry D. Berger, Larry Stein Science14 Jul 1972 : 180-183 Full AccessRestricted Access Abstract PDF Locomotion: Control by Positive-Feedback Optokinetic Responses By William J. Davis, Joseph L. Ayers Jr. Science14 Jul 1972 : 183-185 Full AccessRestricted Access Abstract PDF Daily Variation in Concentration of Cortisol in Plasma in Intact and Hypophysectomized Gulf Killifish By Anil K. Srivastava, Albert H. Meier Science14 Jul 1972 : 185-187 Full AccessRestricted Access Abstract PDF Fetal Liver Erythropoiesis and Yolk Sac Cells By David E. Harrison, Elizabeth S. Russell, Paul A. Marks, Richard A. Rifkind Science14 Jul 1972 : 187 Full AccessRestricted Access PDF Neural Basis of Vision By Peter Gouras, Peter O. Bishop Science14 Jul 1972 : 188-189 Full AccessRestricted Access PDF A Matter of High Priority: IV Jornada de Flora y Fauna Amazonica By Maria Buchinger Science14 Jul 1972 : 189 Full AccessRestricted Access PDF Forthcoming Events Science14 Jul 1972 : 189-196 Full AccessRestricted Access PDF
Letters to the Editor By Walter E. Westman Science14 Jul 1972 : 115-116 Full AccessRestricted Access PDF
PCB's in the Environment By Cyrus Adler Science14 Jul 1972 : 116-118 Full AccessRestricted Access PDF
Letters to the Editor By Jerry L. Mosser, Nicholas S. Fisher, Tzu-Chiu Teng, Charles F. Wurster Science14 Jul 1972 : 118-119 Full AccessRestricted Access PDF
Spectroscopic Studies of Molecular Structure By G. Herzberg Science14 Jul 1972 : 123-138 Full AccessRestricted Access PDF
Forest Fuel Accumulation—A Growing Problem By Marvin Dodge Science14 Jul 1972 : 139-142 Full AccessRestricted Access PDF
The Politics of Projection: A Critique of Cartter's Analysis By Ted R. Vaughan, Gideon Sjoberg Science14 Jul 1972 : 142-147 Full AccessRestricted Access PDF
Minorities in the Geosciences: Beyond the Open Door By Robert Gillette Science14 Jul 1972 : 148-151 Full AccessRestricted Access PDF
Agnes Imperils Chesapeake Bivalves By Constance Holden Science14 Jul 1972 : 149 Full AccessRestricted Access PDF
High Voltage Engineering: Accelerating Away from Science By William D. Metz Science14 Jul 1972 : 151-153 Full AccessRestricted Access PDF
Spain (II): An Understanding with the Americans By John Walsh Science14 Jul 1972 : 153-155 Full AccessRestricted Access PDF
Baker to Leave NIH for Hazleton Labs By B. J. C. Science14 Jul 1972 : 155 Full AccessRestricted Access PDF
X-rays from Heavy Ions: New Molecular Phenomena By William D. Metz Science14 Jul 1972 : 156-157 Full AccessRestricted Access PDF
The Sex Steroids. Molecular Mechanisms. Kenneth W. McKerns, Ed. Appleton-Century-Crofts, New York, 1971. x, 454 pp., illus. $24.95. Biochemical Endocrinology By Eugene Spaziani Science14 Jul 1972 : 158 Full AccessRestricted Access PDF
Trees. Structure and Function. Martin H. Zimmerman and Claud L. Brown. With a chapter by Melvin L. Tyree. Springer-Verlag, New York, 1971. xiv, 336 pp., illus. $19.80 By S. D. Richardson Science14 Jul 1972 : 158-159 Full AccessRestricted Access PDF
Normal Sleep in Man. An Experimental Contribution to Our Knowledge of the Phenomenology of Sleep. Uroš J. Jovan-ovič. Hippokrates, Stuttgart, 1971. 328 pp., illus. $30 By Elliot D. Weitzman Science14 Jul 1972 : 159-160 Full AccessRestricted Access PDF
Accretionary Processes in the Early Solar System: An Experimental Approach By John F. Kerridge, James F. Vedder Science14 Jul 1972 : 161-163 Full AccessRestricted Access Abstract PDF
Telecommunications with Muon Beams By Richard C. Arnold Science14 Jul 1972 : 163-164 Full AccessRestricted Access Abstract PDF
Petrified Peat from a Paleocene Lignite in North Dakota By Francis T. C. Ting Science14 Jul 1972 : 165-166 Full AccessRestricted Access Abstract PDF
Around-the-World Atomic Clocks: Predicted Relativistic Time Gains By J. C. Hafele, Richard E. Keating Science14 Jul 1972 : 166-168 Full AccessRestricted Access Abstract PDF
Around-the-World Atomic Clocks: Observed Relativistic Time Gains By J. C. Hafele, Richard E. Keating Science14 Jul 1972 : 168-170 Full AccessRestricted Access Abstract PDF
Asbestos Contamination of Parenteral Drugs By W. J. Nicholson, C. J. Maggiore, I. J. Selikoff Science14 Jul 1972 : 171-173 Full AccessRestricted Access Abstract PDF
Crustacean Color-Change Hormone: Amino Acid Sequence and Chemical Synthesis By Per Fernlund, Lars Josefsson Science14 Jul 1972 : 173-175 Full AccessRestricted Access Abstract PDF
Pitting Function of the Spleen in Malaria: Ultrastructural Observations By Bertram Schnitzer, Thomas Sodeman, Michael L. Mead, Peter G. Contacos Science14 Jul 1972 : 175-177 Full AccessRestricted Access Abstract PDF
Sex Pheromone of the Codling Moth: Structure and Synthesis By Leslie M. McDonough, Donald A. George, B. A. Butt, John M. Ruth, Kenneth R. Hill Science14 Jul 1972 : 177-178 Full AccessRestricted Access Abstract PDF
Genetics of the Antibody Response to Dextran in Mice By Bonnie Blomberg, William R. Geckeler, Martin Weigert Science14 Jul 1972 : 178-180 Full AccessRestricted Access Abstract PDF
Benzodiazepines: Anxiety-Reducing Activity by Reduction of Serotonin Turnover in the Brain By C. David Wise, Barry D. Berger, Larry Stein Science14 Jul 1972 : 180-183 Full AccessRestricted Access Abstract PDF
Locomotion: Control by Positive-Feedback Optokinetic Responses By William J. Davis, Joseph L. Ayers Jr. Science14 Jul 1972 : 183-185 Full AccessRestricted Access Abstract PDF
Daily Variation in Concentration of Cortisol in Plasma in Intact and Hypophysectomized Gulf Killifish By Anil K. Srivastava, Albert H. Meier Science14 Jul 1972 : 185-187 Full AccessRestricted Access Abstract PDF
Fetal Liver Erythropoiesis and Yolk Sac Cells By David E. Harrison, Elizabeth S. Russell, Paul A. Marks, Richard A. Rifkind Science14 Jul 1972 : 187 Full AccessRestricted Access PDF
Neural Basis of Vision By Peter Gouras, Peter O. Bishop Science14 Jul 1972 : 188-189 Full AccessRestricted Access PDF
A Matter of High Priority: IV Jornada de Flora y Fauna Amazonica By Maria Buchinger Science14 Jul 1972 : 189 Full AccessRestricted Access PDF
