Contents 05 April 1968 Vol 160, Issue 3823Contents Travel Restrictions Hurt Scientific Exchanges By Victor F. Weisskopf Science05 Apr 1968 : 13 Full AccessRestricted Access PDF Letters By R. Curtis Johnson Science05 Apr 1968 : 13 Full AccessRestricted Access PDF Pest Control: Advise and Consent By William M. Upholt Science05 Apr 1968 : 13 Full AccessRestricted Access PDF Less Rain in Latin America By Tomas Feininger Science05 Apr 1968 : 13-14 Full AccessRestricted Access PDF Gold Drain and Brain Drain By Raul A. Cantella Science05 Apr 1968 : 14 Full AccessRestricted Access PDF Results of Research Survey By Michael D. Reagan Science05 Apr 1968 : 14 Full AccessRestricted Access PDF Summer Systematics Institute By Richard S. Cowan Science05 Apr 1968 : 14 Full AccessRestricted Access PDF Student Response to External Factors By Philip H. Abelson Science05 Apr 1968 : 19 Full AccessRestricted Access PDF Flicker Fusion PhenomenaRapid flicker is attenuated many times over by repeated temporal summation before it is "seen." By John Z. Levinson Science05 Apr 1968 : 21-28 Full AccessRestricted Access Abstract PDF Radio Recombination Lines: A New Observational Tool in AstrophysicsA new observational approach to star formation and large-scale structure of our galaxy is discussed By P. G. Mezger, Patrick Palmer Science05 Apr 1968 : 29-42 Full AccessRestricted Access PDF Value of Mammalian Cell Culture as a Biochemical Tool By D. Perlman Science05 Apr 1968 : 42-46 Full AccessRestricted Access PDF A British Perspective on American Science Policy By C. H. Waddington Science05 Apr 1968 : 46-48 Full AccessRestricted Access PDF Water Pollution: Officials Goaded into Raising Quality Standards By Luther J. Carter Science05 Apr 1968 : 49-51 Full AccessRestricted Access PDF NEWS IN BRIEF Science05 Apr 1968 : 50 Full AccessRestricted Access PDF Privacy: Curb Sought on Census By K. S. Science05 Apr 1968 : 51 Full AccessRestricted Access PDF Hudson Institute: Think Tank's Civil Defense Work Criticized By Philip M. Boffey Science05 Apr 1968 : 52-53 Full AccessRestricted Access PDF The Draft: Congress Unlikely To Change Current Policy By Frank Clifford Science05 Apr 1968 : 53-54 Full AccessRestricted Access PDF Sweden: New Institute to Focus on Applied Microbiology By Nigel Calder Science05 Apr 1968 : 54-56 Full AccessRestricted Access PDF IDA Mathematician Dismissed By Thomas Plate Science05 Apr 1968 : 55 Full AccessRestricted Access PDF The Difference of Man and the Difference It Makes. Mortimer J. Adler. Holt, Rinehart and Winston, New York, 1967. xvi + 395 pp. $7.95. Based on the Encyclopaedia Britannica Lectures, Chicago, 1966 By Philip C. Ritterbush Science05 Apr 1968 : 57-58 Full AccessRestricted Access PDF Robots, Men and Minds. Psychology in the Modern World. Ludwig von Bertalanffy. Braziller, New York, 1967. x + 150 pp. $5. Based on the Heinz Werner Inaugural Lectures, Clark University, 1966 By Philip C. Ritterbush Science05 Apr 1968 : 57-58 Full AccessRestricted Access PDF The Dynamics of Behavior Development. An Epigenetic View. Zing-Yang Kuo. Random House, New York, 1967. xiv + 240 pp. Paper, $2.45 By Ernst W. Hansen Science05 Apr 1968 : 58-59 Full AccessRestricted Access PDF Einführung in die Geschiebeforschung. Kurt Hucke. Edited and enlarged by Ehrhard Voigt. Nederlandse Geologische Vereniging, Odenzaal, 1967. 132 pp., illus.; 50 plates. D.M. 15 By June R. P. Ross Science05 Apr 1968 : 59 Full AccessRestricted Access PDF Chemical Kinetics. G. Pannetier and P. Souchay. Translated from the French edition (Paris, 1964) by H. D. Gesser and H. H. Emond. Elsevier, New York, 1967. xvi + 455 pp., illus. $17 By Henry Eyring Science05 Apr 1968 : 59 Full AccessRestricted Access PDF Report from Iron Mountain on the Possibility and Desirability of Peace. Introductory material by Leonard C. Lewin. Dial Press, New York, 1967. xxxii + 109 pp. $5 By Emile Benoit Science05 Apr 1968 : 60-61 Full AccessRestricted Access PDF Theory of Fog Condensation. A. G. Amelin. Translated from the second Russian edition (Moscow, 1966, B. V. Deryagin, Ed.) by Z. Lerman. Israel Program for Scientific Translations. Jerusalem; Davey, New York, 1967. xii + 236 pp., illus. $14 By M. Neiburger Science05 Apr 1968 : 61 Full AccessRestricted Access PDF The Encyclopedia of Atmospheric Sciences and Astrogeology. Rhodes W. Fair-Bridge, Ed. Reinhold, New York, 1967. xvi + 1200 pp., illus. $35. Encyclopedia of Earth Sciences, vol. 2 By A. J. Dessler Science05 Apr 1968 : 61-62 Full AccessRestricted Access PDF Molecular Mechanisms of Temperature Adaptation. A symposium, Berkeley, Calif., Dec. 1965. C. Ladd Prosser, Ed. AAAS, Washington, D.C., 1967. viii + 390 pp., illus. $12.50; to members, $10.50. AAAS Publication No. 84 By Robert Emrie Smith Science05 Apr 1968 : 62 Full AccessRestricted Access PDF The Invertebrates. Vol. 6, Mollusca I, Aplacophora, Polyplacophora, Monoplacophora, Gastropoda: The Coelomate Bilateria. Libbie Henritta Hyman. McGraw-Hill, New York, 1967. viii + 792 pp., illus. $17.50 By Joseph Rosewater Science05 Apr 1968 : 62-63 Full AccessRestricted Access PDF Advances in High Temperature Chemistry. Vol. 1. Leroy Eyring, Ed. Academic Press, New York, 1967. xiv + 334 pp., illus. $14.50 By H. Tracy Hall Science05 Apr 1968 : 63 Full AccessRestricted Access PDF Atlas of Electron Microscopy of Clay Minerals and Their Admixtures. A Picture Atlas. H. Beutelspacher and H. W. van der Marel. Elsevier, New York, 1967. xii + 333 pp., illus. $40 By G. W. Brindley Science05 Apr 1968 : 63 Full AccessRestricted Access PDF Radioiodine Fallout over the Midwest in May By Lester Machta Science05 Apr 1968 : 64-66 Full AccessRestricted Access Abstract PDF Olivine-Garnet Transformation in a Meteorite By Brian Mason, J. Nelen, John S. White Jr. Science05 Apr 1968 : 66-67 Full AccessRestricted Access Abstract PDF Carbon Monoxide and Air Pollution from Automobile Emissions in New York City By Kenneth L. Johnson, L. H. Dworetzky, Austin N. Heller Science05 Apr 1968 : 67-68 Full AccessRestricted Access Abstract PDF Salt Transport in Valonia: Inhibition of Potassium Uptake by Small Hydrostatic Pressures By John Gutknecht Science05 Apr 1968 : 68-70 Full AccessRestricted Access Abstract PDF Ciguatoxin: More Than an Anticholinesterase By Martin D. Rayner, Thomas I. Kosaki, Enid L. Fellmeth Science05 Apr 1968 : 70-71 Full AccessRestricted Access Abstract PDF Immunity and Intracellular Infection: Resistance to Bacteria in Mice Infected with a Protozoan By Joel Ruskin, Jack S. Remington Science05 Apr 1968 : 72-74 Full AccessRestricted Access Abstract PDF Recombination of Influenza A Viruses of Human and Animal Origin By Edwin D. Kilbourne Science05 Apr 1968 : 74-76 Full AccessRestricted Access Abstract PDF Aspirin: Dissolution Rates of Two Polymorphic Forms By R. Tawashi Science05 Apr 1968 : 76 Full AccessRestricted Access Abstract PDF Subaerial Diagenesis of Carbonate Sediments: Efficiency of the Solution-Reprecipitation Process By William H. Harris, R. K. Matthews Science05 Apr 1968 : 77-79 Full AccessRestricted Access Abstract PDF Lysosomal Stability during Phagocytosis of Aspergillus flavus Spores by Alveolar Macrophages of Cortisone-Treated Mice By Leonard Merkow, Matias Pardo, Sheldon M. Epstein, Ethel Verney, Herschel Sidransky Science05 Apr 1968 : 79-81 Full AccessRestricted Access Abstract PDF Deamino-oxytocin: Inactivation by Plasma of Women in Labor By L. A. Branda, B. M. Ferrier, G. Archimaut, E. A. Marchelli, B. Rucanski Science05 Apr 1968 : 81-82 Full AccessRestricted Access Abstract PDF Oxygenation and Ion Transport in Red Cells By Reinhold Benesch, Ruth E. Benesch Science05 Apr 1968 : 83 Full AccessRestricted Access Abstract PDF Milk and Lactose Intolerance in Healthy Orientals By Shi-Shung Huang, Theodore M. Bayless Science05 Apr 1968 : 83-84 Full AccessRestricted Access Abstract PDF Dikaryosis: Genetic Determination in Schizophyllum By Yigal Koltin, John R. Raper Science05 Apr 1968 : 85-86 Full AccessRestricted Access Abstract PDF Protein Synthesis: Differential Stimulation of Cell-Specific Proteins in Epithelial Cells of Chick Oviduct By Peter O. Kohler, Philip M. Grimley, Bert W. O'Malley Science05 Apr 1968 : 86-87 Full AccessRestricted Access Abstract PDF Voltage Noise in Limulus Visual Cells By F. A. Dodge Jr., B. W. Knight, J. Toyoda Science05 Apr 1968 : 88-90 Full AccessRestricted Access Abstract PDF Estrogen Induces Lipophosphoprotein in Serum of Male Xenopus laevis By Robin A. Wallace, Donald W. Jared Science05 Apr 1968 : 91-92 Full AccessRestricted Access Abstract PDF Amoebic Meningoencephalitis: Sixteen Fatalities By L. Červa, K. Novak Science05 Apr 1968 : 92 Full AccessRestricted Access Abstract PDF Cerebral Synaptic Transmission and Behavioral Effects of Dimethoxyphenylethylamine: A Potential Psychotogen By Lucio Vacca, Masamoto Fujimori, Scott H. Davis, Amedeo S. Marrazzi Science05 Apr 1968 : 95-96 Full AccessRestricted Access Abstract PDF Terminals of Single Ia Fibers: Distribution within a Pool of 300 Homonymous Motor Neurons By Lorne M. Mendell, Elwood Henneman Science05 Apr 1968 : 96-98 Full AccessRestricted Access Abstract PDF Agonistic Behavior in Organized and Disorganized Cotton Rat Populations By James L. Wolfe, Carl T. Summerlin Science05 Apr 1968 : 98-99 Full AccessRestricted Access Abstract PDF Reversal Learning and Forgetting By Neil Wiener, Felicia Huppert, M. E. Bitterman Science05 Apr 1968 : 99-100 Full AccessRestricted Access PDF Stone Tools and Woodworking By A. C. Custance Science05 Apr 1968 : 100-101 Full AccessRestricted Access PDF Tree Ring Indices and Statistics By Albert R. Stage, R. K. Haugen Science05 Apr 1968 : 101 Full AccessRestricted Access PDF Microbeam and Partial Cell Irradiation By P. P. Dendy Science05 Apr 1968 : 102-103 Full AccessRestricted Access PDF
Travel Restrictions Hurt Scientific Exchanges By Victor F. Weisskopf Science05 Apr 1968 : 13 Full AccessRestricted Access PDF
Pest Control: Advise and Consent By William M. Upholt Science05 Apr 1968 : 13 Full AccessRestricted Access PDF
Less Rain in Latin America By Tomas Feininger Science05 Apr 1968 : 13-14 Full AccessRestricted Access PDF
Gold Drain and Brain Drain By Raul A. Cantella Science05 Apr 1968 : 14 Full AccessRestricted Access PDF
Results of Research Survey By Michael D. Reagan Science05 Apr 1968 : 14 Full AccessRestricted Access PDF
Summer Systematics Institute By Richard S. Cowan Science05 Apr 1968 : 14 Full AccessRestricted Access PDF
Student Response to External Factors By Philip H. Abelson Science05 Apr 1968 : 19 Full AccessRestricted Access PDF
Flicker Fusion PhenomenaRapid flicker is attenuated many times over by repeated temporal summation before it is "seen." By John Z. Levinson Science05 Apr 1968 : 21-28 Full AccessRestricted Access Abstract PDF
Radio Recombination Lines: A New Observational Tool in AstrophysicsA new observational approach to star formation and large-scale structure of our galaxy is discussed By P. G. Mezger, Patrick Palmer Science05 Apr 1968 : 29-42 Full AccessRestricted Access PDF
Value of Mammalian Cell Culture as a Biochemical Tool By D. Perlman Science05 Apr 1968 : 42-46 Full AccessRestricted Access PDF
A British Perspective on American Science Policy By C. H. Waddington Science05 Apr 1968 : 46-48 Full AccessRestricted Access PDF
Water Pollution: Officials Goaded into Raising Quality Standards By Luther J. Carter Science05 Apr 1968 : 49-51 Full AccessRestricted Access PDF
Hudson Institute: Think Tank's Civil Defense Work Criticized By Philip M. Boffey Science05 Apr 1968 : 52-53 Full AccessRestricted Access PDF
The Draft: Congress Unlikely To Change Current Policy By Frank Clifford Science05 Apr 1968 : 53-54 Full AccessRestricted Access PDF
Sweden: New Institute to Focus on Applied Microbiology By Nigel Calder Science05 Apr 1968 : 54-56 Full AccessRestricted Access PDF
The Difference of Man and the Difference It Makes. Mortimer J. Adler. Holt, Rinehart and Winston, New York, 1967. xvi + 395 pp. $7.95. Based on the Encyclopaedia Britannica Lectures, Chicago, 1966 By Philip C. Ritterbush Science05 Apr 1968 : 57-58 Full AccessRestricted Access PDF
Robots, Men and Minds. Psychology in the Modern World. Ludwig von Bertalanffy. Braziller, New York, 1967. x + 150 pp. $5. Based on the Heinz Werner Inaugural Lectures, Clark University, 1966 By Philip C. Ritterbush Science05 Apr 1968 : 57-58 Full AccessRestricted Access PDF
The Dynamics of Behavior Development. An Epigenetic View. Zing-Yang Kuo. Random House, New York, 1967. xiv + 240 pp. Paper, $2.45 By Ernst W. Hansen Science05 Apr 1968 : 58-59 Full AccessRestricted Access PDF
Einführung in die Geschiebeforschung. Kurt Hucke. Edited and enlarged by Ehrhard Voigt. Nederlandse Geologische Vereniging, Odenzaal, 1967. 132 pp., illus.; 50 plates. D.M. 15 By June R. P. Ross Science05 Apr 1968 : 59 Full AccessRestricted Access PDF
Chemical Kinetics. G. Pannetier and P. Souchay. Translated from the French edition (Paris, 1964) by H. D. Gesser and H. H. Emond. Elsevier, New York, 1967. xvi + 455 pp., illus. $17 By Henry Eyring Science05 Apr 1968 : 59 Full AccessRestricted Access PDF
Report from Iron Mountain on the Possibility and Desirability of Peace. Introductory material by Leonard C. Lewin. Dial Press, New York, 1967. xxxii + 109 pp. $5 By Emile Benoit Science05 Apr 1968 : 60-61 Full AccessRestricted Access PDF
Theory of Fog Condensation. A. G. Amelin. Translated from the second Russian edition (Moscow, 1966, B. V. Deryagin, Ed.) by Z. Lerman. Israel Program for Scientific Translations. Jerusalem; Davey, New York, 1967. xii + 236 pp., illus. $14 By M. Neiburger Science05 Apr 1968 : 61 Full AccessRestricted Access PDF
The Encyclopedia of Atmospheric Sciences and Astrogeology. Rhodes W. Fair-Bridge, Ed. Reinhold, New York, 1967. xvi + 1200 pp., illus. $35. Encyclopedia of Earth Sciences, vol. 2 By A. J. Dessler Science05 Apr 1968 : 61-62 Full AccessRestricted Access PDF
Molecular Mechanisms of Temperature Adaptation. A symposium, Berkeley, Calif., Dec. 1965. C. Ladd Prosser, Ed. AAAS, Washington, D.C., 1967. viii + 390 pp., illus. $12.50; to members, $10.50. AAAS Publication No. 84 By Robert Emrie Smith Science05 Apr 1968 : 62 Full AccessRestricted Access PDF
The Invertebrates. Vol. 6, Mollusca I, Aplacophora, Polyplacophora, Monoplacophora, Gastropoda: The Coelomate Bilateria. Libbie Henritta Hyman. McGraw-Hill, New York, 1967. viii + 792 pp., illus. $17.50 By Joseph Rosewater Science05 Apr 1968 : 62-63 Full AccessRestricted Access PDF
Advances in High Temperature Chemistry. Vol. 1. Leroy Eyring, Ed. Academic Press, New York, 1967. xiv + 334 pp., illus. $14.50 By H. Tracy Hall Science05 Apr 1968 : 63 Full AccessRestricted Access PDF
Atlas of Electron Microscopy of Clay Minerals and Their Admixtures. A Picture Atlas. H. Beutelspacher and H. W. van der Marel. Elsevier, New York, 1967. xii + 333 pp., illus. $40 By G. W. Brindley Science05 Apr 1968 : 63 Full AccessRestricted Access PDF
Radioiodine Fallout over the Midwest in May By Lester Machta Science05 Apr 1968 : 64-66 Full AccessRestricted Access Abstract PDF
Olivine-Garnet Transformation in a Meteorite By Brian Mason, J. Nelen, John S. White Jr. Science05 Apr 1968 : 66-67 Full AccessRestricted Access Abstract PDF
Carbon Monoxide and Air Pollution from Automobile Emissions in New York City By Kenneth L. Johnson, L. H. Dworetzky, Austin N. Heller Science05 Apr 1968 : 67-68 Full AccessRestricted Access Abstract PDF
Salt Transport in Valonia: Inhibition of Potassium Uptake by Small Hydrostatic Pressures By John Gutknecht Science05 Apr 1968 : 68-70 Full AccessRestricted Access Abstract PDF
Ciguatoxin: More Than an Anticholinesterase By Martin D. Rayner, Thomas I. Kosaki, Enid L. Fellmeth Science05 Apr 1968 : 70-71 Full AccessRestricted Access Abstract PDF
Immunity and Intracellular Infection: Resistance to Bacteria in Mice Infected with a Protozoan By Joel Ruskin, Jack S. Remington Science05 Apr 1968 : 72-74 Full AccessRestricted Access Abstract PDF
Recombination of Influenza A Viruses of Human and Animal Origin By Edwin D. Kilbourne Science05 Apr 1968 : 74-76 Full AccessRestricted Access Abstract PDF
Aspirin: Dissolution Rates of Two Polymorphic Forms By R. Tawashi Science05 Apr 1968 : 76 Full AccessRestricted Access Abstract PDF
Subaerial Diagenesis of Carbonate Sediments: Efficiency of the Solution-Reprecipitation Process By William H. Harris, R. K. Matthews Science05 Apr 1968 : 77-79 Full AccessRestricted Access Abstract PDF
Lysosomal Stability during Phagocytosis of Aspergillus flavus Spores by Alveolar Macrophages of Cortisone-Treated Mice By Leonard Merkow, Matias Pardo, Sheldon M. Epstein, Ethel Verney, Herschel Sidransky Science05 Apr 1968 : 79-81 Full AccessRestricted Access Abstract PDF
Deamino-oxytocin: Inactivation by Plasma of Women in Labor By L. A. Branda, B. M. Ferrier, G. Archimaut, E. A. Marchelli, B. Rucanski Science05 Apr 1968 : 81-82 Full AccessRestricted Access Abstract PDF
Oxygenation and Ion Transport in Red Cells By Reinhold Benesch, Ruth E. Benesch Science05 Apr 1968 : 83 Full AccessRestricted Access Abstract PDF
Milk and Lactose Intolerance in Healthy Orientals By Shi-Shung Huang, Theodore M. Bayless Science05 Apr 1968 : 83-84 Full AccessRestricted Access Abstract PDF
Dikaryosis: Genetic Determination in Schizophyllum By Yigal Koltin, John R. Raper Science05 Apr 1968 : 85-86 Full AccessRestricted Access Abstract PDF
Protein Synthesis: Differential Stimulation of Cell-Specific Proteins in Epithelial Cells of Chick Oviduct By Peter O. Kohler, Philip M. Grimley, Bert W. O'Malley Science05 Apr 1968 : 86-87 Full AccessRestricted Access Abstract PDF
Voltage Noise in Limulus Visual Cells By F. A. Dodge Jr., B. W. Knight, J. Toyoda Science05 Apr 1968 : 88-90 Full AccessRestricted Access Abstract PDF
Estrogen Induces Lipophosphoprotein in Serum of Male Xenopus laevis By Robin A. Wallace, Donald W. Jared Science05 Apr 1968 : 91-92 Full AccessRestricted Access Abstract PDF
Amoebic Meningoencephalitis: Sixteen Fatalities By L. Červa, K. Novak Science05 Apr 1968 : 92 Full AccessRestricted Access Abstract PDF
Cerebral Synaptic Transmission and Behavioral Effects of Dimethoxyphenylethylamine: A Potential Psychotogen By Lucio Vacca, Masamoto Fujimori, Scott H. Davis, Amedeo S. Marrazzi Science05 Apr 1968 : 95-96 Full AccessRestricted Access Abstract PDF
Terminals of Single Ia Fibers: Distribution within a Pool of 300 Homonymous Motor Neurons By Lorne M. Mendell, Elwood Henneman Science05 Apr 1968 : 96-98 Full AccessRestricted Access Abstract PDF
Agonistic Behavior in Organized and Disorganized Cotton Rat Populations By James L. Wolfe, Carl T. Summerlin Science05 Apr 1968 : 98-99 Full AccessRestricted Access Abstract PDF
Reversal Learning and Forgetting By Neil Wiener, Felicia Huppert, M. E. Bitterman Science05 Apr 1968 : 99-100 Full AccessRestricted Access PDF
Stone Tools and Woodworking By A. C. Custance Science05 Apr 1968 : 100-101 Full AccessRestricted Access PDF
Tree Ring Indices and Statistics By Albert R. Stage, R. K. Haugen Science05 Apr 1968 : 101 Full AccessRestricted Access PDF
Microbeam and Partial Cell Irradiation By P. P. Dendy Science05 Apr 1968 : 102-103 Full AccessRestricted Access PDF
