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Science, New Series, Vol. 90, No. 2347, Dec. 22, 1939


Previous Issue: New Series, Vol. 90, No. 2346, Dec. 15, 1939
Next Issue: New Series, Vol. 90, No. 2348, Dec. 29, 1939


Front Matter (5 pp.)
Summary Statement of the Activities of the National Research Council, 1938-39, pp. 575-580
Ross G. Harrison; Albert L. Barrows

Award of the Medals of the Royal Society, pp. 580-582
William Bragg


Obituary
Livingston Farrand, pp. 583-584
Thomas Parran
Waldemar Lindgren: 1860-1939, pp. 584-585
W. H. Newhouse
Recent Deaths, p. 585


Scientific Events
The School of Tropical Medicine of the University of Puerto Rico, pp. 585-586
Research Grants of the Virginia Academy of Science, p. 586
E. C. L. Miller
The Carnegie Institution of Washington, pp. 586-587
Grants of the Carnegie Corporation of New York, p. 587


Scientific Notes and News, pp. 587-590


Discussion
Non-Technical Books on Science, pp. 590-591
F. R. Moulton
The Large Mammals of the Great Plains, pp. 591-592
V. E. Shelford
Zoology for Pre-Medical Students, p. 592
Walter C. Kraatz
Scientific Invention and Social Consciousness, p. 592
M. F. Ashley-Montagu


Scientific Books
Miller's Collected Works, p. 593
Review author[s]: W. A. Manning
A Guide in Entomology, p. 593
A Laboratory Guide in Entomology
Robert Matheson
Review author[s]: I. E. Gray


Societies and Meetings
Indiana Academy of Science, pp. 593-594
Will E. Edington
The New England Intercollegiate Field Geologists Conference, p. 594
Lloyd W. Fisher


Special Articles
The Mechanism of the Biological Citric Acid Synthesis, pp. 594-595
Niilo Hallman; P. E. Simola
Loss of Biologically Fixed Nitrogen from Soils and Its Bearing on Crop Production, pp. 595-596
T. R. Bhaskaran; S. C. Pillai
The Availability of the Iron in Dried Peas and Beans, pp. 596-597
Leah Ascham; Mary Speirs; Dorothy Maddox


Scientific Apparatus and Laboratory Methods
Culture Technic for Quantitative Growth Studies with Myxophyceae, p. 597
Lee Walp
An Inexpensive Small Air Compressor, pp. 597-598
G. J. Raleigh
A Convenient Method for Obtaining Blood Serum, p. 598
E. M. Abrahamson


Science News, pp. 14a+16a+18a

Previous Issue: New Series, Vol. 90, No. 2346, Dec. 15, 1939
Next Issue: New Series, Vol. 90, No. 2348, Dec. 29, 1939



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