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Science, New Series, Vol. 106, No. 2761, Nov. 28, 1947


Previous Issue: New Series, Vol. 106, No. 2760, Nov. 21, 1947
Next Issue: New Series, Vol. 106, No. 2762, Dec. 5, 1947


Front Matter (2 pp.)
Biosynthesis of Penicillins, pp. 503-505
The Editorial Board of the Monograph on the Chemistry of Penicillin

The National Academy of Sciences: Abstracts of Papers Presented at 1947 Autumn Meeting, pp. 505-513
News and Notes, pp. 513-519


Technical Papers
Chemical Structure and the Definition of Sympathin E, pp. 520-521
Amedeo S. Marrazzi; Rose N. Marrazzi
Microbial Utilization of Carcinogenic Hydrocarbons, pp. 521-522
Frederick D. Sisler; Claude E. ZoBell
Effect of Indole on the Determination of N′ -Methylnicotinamide, pp. 522-523
B. S. Schweigert
Production of Starch-Like Material from Glucose-1-Phosphate by Diphtheria Bacilli, pp. 523-524
Edward J. Hehre; Arthur S. Carlson; James M. Neill
Vitamin Requirements of Microbacterium lacticum Orla-Jensen, pp. 524-525
Raymond N. Doetsch; Michael J. Pelczar


In the Laboratory
A Rapid Method for Estimation of Use-Dilution Concentrations of Quaternary Ammonium Germicides, pp. 525-527
J. F. Gain; C. A. Lawrence
A Simple Device for Macroscopic Sectioning of the Brain, p. 527
Ralph F. Bouldin; William Holzheimer


Book Reviews
----------------, p. 528
High Polymers. Vol. VII: Phenoplasts: Their Structure, Properties, and Chemical Technology
T. S. Carswell
Review author[s]: Cyrus O. Guss
----------------, p. 528
An Introduction to Vertebrate Anatomy
Harold M Messer
Review author[s]: Roy P. Ash
----------------, p. 528
The Work Book of Fundamental Organic Chemistry
F. Degering
Review author[s]: Irwin B. Douglass

Previous Issue: New Series, Vol. 106, No. 2760, Nov. 21, 1947
Next Issue: New Series, Vol. 106, No. 2762, Dec. 5, 1947



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