Contents 18 July 1952 Vol 116, Issue 3003Contents Agricultural Research Institute By LEROY VORIS Science18 Jul 1952 : 3 Full AccessRestricted Access PDF Meetings & Conferences Science18 Jul 1952 : 12 Full AccessRestricted Access PDF Microbial Selection By Vernon Bryson, Waclaw Szybalski Science18 Jul 1952 : 45-51 Full AccessRestricted Access PDF News and Notes Science18 Jul 1952 : 51-56 Full AccessRestricted Access PDF Disease Resistance and Early Testing of Maize By C. C. Wernham Science18 Jul 1952 : 57-58 Full AccessRestricted Access PDF Chemical Constitution and Biological Activity of some Organophosphorus Compounds By D. Ramaswami, E. R. Kirch, Elizabeth H. Jenney Science18 Jul 1952 : 58-60 Full AccessRestricted Access PDF The Recording of Flight Movements in Insects By Edward G. Boettiger, Edwin Furshpan Science18 Jul 1952 : 60-61 Full AccessRestricted Access PDF Paleobotanical Investigations in Naval Petroleum Reserve No. 4, Alaska By Chester A. Arnold Science18 Jul 1952 : 61-62 Full AccessRestricted Access PDF Nomographs for Determining Seiche Periods By James L. Verber Science18 Jul 1952 : 62-63 Full AccessRestricted Access PDF Analysis of Growth of the Chick Marginal Blastoderm By Allen B. Schlesinger Science18 Jul 1952 : 64-65 Full AccessRestricted Access PDF On the Nature of the So-Called Background Material in Estrogen Fractions of Extracts Prepared from Hydrolyzed Urine By Josephine B. Garst, Harry B. Friedgood Science18 Jul 1952 : 65-66 Full AccessRestricted Access PDF Inbred Strains of Culex Mosquitoes By J. B. Kitzmiller Science18 Jul 1952 : 66-67 Full AccessRestricted Access PDF Vitality of the Aged By ROBERT J. MYERS Science18 Jul 1952 : 67-68 Full AccessRestricted Access PDF Science and Technology in Unesco By MAURICE B. VISSCHER Science18 Jul 1952 : 68-70 Full AccessRestricted Access PDF Perpetual Motion and Perpetual Research By WALTER ROSE, J. J. BROWN Science18 Jul 1952 : 70-71 Full AccessRestricted Access PDF Die Sonnenkorona: Beobachtungen der Korona 1939-1949, Vol. I. M. Waldmeier. Basel: Verlag Birkhäuser, 1951. 270 pp. Sw. fr. 24.60; cloth, Sw. fr. 28.60 By K. W. MEISSNER Science18 Jul 1952 : 71 Full AccessRestricted Access PDF Organic Chemistry (Holleman's). Rev. by J. P. Wibaut; trans. from 16th Dutch ed. by Samuel Coffey. Houston-Amsterdam: Elsevier, 1951. 660 pp. $9.00 By ROBERT C. ELDERFIELD Science18 Jul 1952 : 71-72 Full AccessRestricted Access PDF The Geography of Europe. 2nd ed. George D. Hubbard. New York: Appleton-Century-Crofts, 1952. 870 pp. $6.75 By RALPH E. OLSON Science18 Jul 1952 : 72 Full AccessRestricted Access PDF The Chemistry of Lignin. Friedrich Emil Brauns. New York: Academic Press, 1952. 808 pp. $14.50 By RALPH L. HOSSFELD Science18 Jul 1952 : 72 Full AccessRestricted Access PDF
Agricultural Research Institute By LEROY VORIS Science18 Jul 1952 : 3 Full AccessRestricted Access PDF
Microbial Selection By Vernon Bryson, Waclaw Szybalski Science18 Jul 1952 : 45-51 Full AccessRestricted Access PDF
Disease Resistance and Early Testing of Maize By C. C. Wernham Science18 Jul 1952 : 57-58 Full AccessRestricted Access PDF
Chemical Constitution and Biological Activity of some Organophosphorus Compounds By D. Ramaswami, E. R. Kirch, Elizabeth H. Jenney Science18 Jul 1952 : 58-60 Full AccessRestricted Access PDF
The Recording of Flight Movements in Insects By Edward G. Boettiger, Edwin Furshpan Science18 Jul 1952 : 60-61 Full AccessRestricted Access PDF
Paleobotanical Investigations in Naval Petroleum Reserve No. 4, Alaska By Chester A. Arnold Science18 Jul 1952 : 61-62 Full AccessRestricted Access PDF
Nomographs for Determining Seiche Periods By James L. Verber Science18 Jul 1952 : 62-63 Full AccessRestricted Access PDF
Analysis of Growth of the Chick Marginal Blastoderm By Allen B. Schlesinger Science18 Jul 1952 : 64-65 Full AccessRestricted Access PDF
On the Nature of the So-Called Background Material in Estrogen Fractions of Extracts Prepared from Hydrolyzed Urine By Josephine B. Garst, Harry B. Friedgood Science18 Jul 1952 : 65-66 Full AccessRestricted Access PDF
Inbred Strains of Culex Mosquitoes By J. B. Kitzmiller Science18 Jul 1952 : 66-67 Full AccessRestricted Access PDF
Science and Technology in Unesco By MAURICE B. VISSCHER Science18 Jul 1952 : 68-70 Full AccessRestricted Access PDF
Perpetual Motion and Perpetual Research By WALTER ROSE, J. J. BROWN Science18 Jul 1952 : 70-71 Full AccessRestricted Access PDF
Die Sonnenkorona: Beobachtungen der Korona 1939-1949, Vol. I. M. Waldmeier. Basel: Verlag Birkhäuser, 1951. 270 pp. Sw. fr. 24.60; cloth, Sw. fr. 28.60 By K. W. MEISSNER Science18 Jul 1952 : 71 Full AccessRestricted Access PDF
Organic Chemistry (Holleman's). Rev. by J. P. Wibaut; trans. from 16th Dutch ed. by Samuel Coffey. Houston-Amsterdam: Elsevier, 1951. 660 pp. $9.00 By ROBERT C. ELDERFIELD Science18 Jul 1952 : 71-72 Full AccessRestricted Access PDF
The Geography of Europe. 2nd ed. George D. Hubbard. New York: Appleton-Century-Crofts, 1952. 870 pp. $6.75 By RALPH E. OLSON Science18 Jul 1952 : 72 Full AccessRestricted Access PDF
The Chemistry of Lignin. Friedrich Emil Brauns. New York: Academic Press, 1952. 808 pp. $14.50 By RALPH L. HOSSFELD Science18 Jul 1952 : 72 Full AccessRestricted Access PDF
Science Vol 116, Issue 300318 July 1952 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)