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Science, New Series, Vol. 110, No. 2870, Dec. 30, 1949


Previous Issue: New Series, Vol. 110, No. 2869, Dec. 23, 1949
Next Issue: New Series, Vol. 111, No. 2871, Jan. 6, 1950


Volume Information (18 pp.)
Government Support of Research, pp. 701-707
Alan T. Waterman


Technical Papers
Fluorometric Determination of Serum Aureomycin Levels, pp. 707-708
John C. Seed; Catherine E. Wilson
Preparation of C14 Uniformly Labeled Fructose by Means of Photosynthesis and Paper Chromatography, pp. 708-709
Sidney Udenfriend; Martin Gibbs
A Megalonyx Tooth from the Northwest Territories, Canada, pp. 709-710
Chester Stock; Horace G. Richards
Infrared Spectrometry of Small Samples with the Reflecting Microscope, pp. 710-711
R. C. Gore
A Method for the Study of Blood Loss in Hookworm Infestation, pp. 711-713
P. F. Hahn; Edward P. Offutt
Prevention of Dietary Fatty Livers by Exposure to a Cold Environment, p. 713
E. A. Sellers; Rosemary Wen You
Films from Hemicellulose Acetates, pp. 713-714
Charles L. Smart; Roy L. Whistler
A Possible Explanation of Symptom Formation in Tobacco with Frenching and Mineral Deficiencies, pp. 714-715
Robert A. Steinberg; John D. Bowling; James E. McMurtrey
Annual Variation in Nicotine Content of Tobacco, pp. 715-716
Earl W. Flosdorf; Arthur W. Palmer
Simplified Preparative Electrophoresis at Room Temperature, p. 716
Harold A. Abramson


Comments and Communications
Natural Vegetation in the Willamette Valley, p. 717
W. E. Bullard
Thermal Coefficient of the Refractive Index of Water, p. 717
John B. Hawkes; Robert W. Astheimer


News and Notes, pp. 718-720

Previous Issue: New Series, Vol. 110, No. 2869, Dec. 23, 1949
Next Issue: New Series, Vol. 111, No. 2871, Jan. 6, 1950



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