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Science, New Series, Vol. 91, No. 2357, Mar. 1, 1940


Previous Issue: New Series, Vol. 91, No. 2356, Feb. 23, 1940
Next Issue: New Series, Vol. 91, No. 2358, Mar. 8, 1940


Front Matter (13 pp.)
The Role of Refugees in the History of American Science, pp. 203-208
C. A. Browne


Obituary
Jacob Elry Metzger, pp. 208-209
T. B. Symons
Recent Deaths and Memorials, p. 209


Scientific Events
Scientific Collaboration between Great Britain and France, pp. 209-210
Fellowships for Business Executives of the Massachusetts Institute of Technology, p. 210
Grants of the Committee on Scientific Research of the American Medical Association, pp. 210-211
Monographs of the Iron Alloys Committee of the Engineering Foundation, p. 211
The Cincinnati Meeting of the American Chemical Society, pp. 211-212


Scientific Notes and News, pp. 212-215


Discussion
Copyright, pp. 215-216
Waldo G. Leland
Types of Animal Reflexes, p. 216
G. H. Parker
New Mathematical Library of Institute for Advanced Study, pp. 216-217
Hermann Weyl
Record of Chemical Progress, p. 217
Neil E. Gordon


Scientific Books
English Diet, pp. 217-218
The Englishman's Food; a History of Five Centuries of English Diet
B. J. C. Drummond; Anne Wilbraham
Review author[s]: John R. Murlin
Antoni Van Leeuwenhoek, pp. 218-219
The Collected Letters of Antoni Van Leeuwenhoek
Review author[s]: Charles A. Kofoid


Reports
Membership of the American Association for the Advancement of Science, pp. 219-220
F. R. Moulton


Special Articles
Histamine Release from Blood Cells in Anaphylaxis in Vitro, p. 221
Gerhard Katz
Potassium Deficiency in Ammonium-and Nitrate-Fed Tomato Plants, pp. 221-222
M. E. Wall; V. A. Tiedjens
Polyploidy in Soybean, Pea, Wheat and Rice, Induced by Colchicine Treatment, p. 222
P. S. Tang; W. S. Loo


Scientific Apparatus and Laboratory Methods
A Modified Kendall Tube for Purifying Nitrogen, pp. 222-223
G. M. Savage; Z. John Ordal
Cold Extraction Apparatus, pp. 223-224
Joseph Benotti


Science News, pp. 10+12+14
Back Matter (2 pp.)

Previous Issue: New Series, Vol. 91, No. 2356, Feb. 23, 1940
Next Issue: New Series, Vol. 91, No. 2358, Mar. 8, 1940



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