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Previous Issue: New Series, Vol. 116, No. 3002, Jul. 11, 1952
Next Issue: New Series, Vol. 116, No. 3004, Jul. 25, 1952
Front Matter (1 p.)
Agricultural Research Institute, p. 3
- LeRoy Voris
Microbial Selection, pp. 45-51
- Vernon Bryson; Waclaw Szybalski
News and Notes, pp. 51-56
Technical Papers
- Disease Resistance and Early Testing of Maize, pp. 57-58
- C. C. Wernham
- Chemical Constitution and Biological Activity of Some Organophosphorus Compounds, pp. 58-60
- D. Ramaswami; E. R. Kirch; Elizabeth H. Jenney
- The Recording of Flight Movements in Insects, pp. 60-61
- Edward G. Boettiger; Edwin Furshpan
- Paleobotanical Investigations in Naval Petroleum Reserve No. 4, Alaska, pp. 61-62
- Chester A. Arnold
- Nomographs for Determining Seiche Periods, pp. 62-63
- James L. Verber
- Analysis of Growth of the Chick Marginal Blastoderm, pp. 64-65
- Allen B. Schlesinger
- On the Nature of the So-Called Background Material in Estrogen Fractions of Extracts Prepared from Hydrolyzed Urine, pp. 65-66
- Josephine B. Garst; Harry B. Friedgood
- Inbred Strains of Culex Mosquitoes, pp. 66-67
- J. B. Kitzmiller
Comments and Communications
- Vitality of the Aged, pp. 67-68
- Robert J. Myers
- Vitality of the Aged, pp. 67-68
- Robert J. Myers
- Science and Technology in Unesco, pp. 68-70
- Maurice B. Visscher
- Perpetual Motion and Perpetual Research, pp. 70-71
- Walter Rose; J. J. Brown
Book Reviews
- ----------------, p. 71
- Review author[s]: K. W. Meissner
- ----------------, pp. 71-72
- Organic Chemistry
- J. P. Wibaut
- Review author[s]: Robert C. Elderfield
- ----------------, p. 72
- The Geography of Europe
- D. Hubbard
- Review author[s]: Ralph E. Olson
- ----------------, p. 72
- The Chemistry of Lignin
- Friedrich Emil Brauns
- Review author[s]: Ralph L. Hossfeld
Previous Issue: New Series, Vol. 116, No. 3002, Jul. 11, 1952
Next Issue: New Series, Vol. 116, No. 3004, Jul. 25, 1952