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Science, New Series, Vol. 92, No. 2379, Aug. 2, 1940


Previous Issue: New Series, Vol. 92, No. 2378, Jul. 26, 1940
Next Issue: New Series, Vol. 92, No. 2380, Aug. 9, 1940


Front Matter (4 pp.)
Address of the President of the Royal Society, pp. 93-98
William Bragg


Obituary
Haven Metcalf: 1875-1940, pp. 98-99
S. F. Acree
Edward Payson Van Duzee, p. 99
F. M. MacFarland
Recent Deaths, pp. 99-100


Scientific Events
The Hall of Inventions at the World's Fair, p. 100
The American Coordinating Committee on Corrosion, p. 100
Tribute to the Late Dr. W. E. Britton, State Entomologist of Connecticut, pp. 100-101
In Honor of Julius Herman Frandsen, p. 101
Appointment of Dr. Bruno Rossi at Cornell University, pp. 101-102


Scientific Notes and News, pp. 102-105


Discussion
Native and Introduced Land Planarians in the United States, pp. 105-106
L. H. Hyman
Concerning Pure Cultures of Spirillum, pp. 106-107
I. M. Lewis
Oxidation of Sulfanilic and Arsanilic Compounds by Nascent Hydrogen Peroxide, p. 107
Georg Barkan


Scientific Books
The Calculus, pp. 107-108
Introduction to the Calculus
Arnold Dresden
Review author[s]: D. V. Widder
Image Transmission, p. 108
Television--The Electronics of Image Transmission
V. K. Zworykin; G. A. Morton
Review author[s]: C. G. Montgomery


Reports
The American Society of Mechanical Engineers, pp. 108-110
L. F. Z.


Special Articles
Uniformity of the Pain Threshold in Man, pp. 110-112
George A. Schumacher; Helen Goodell; James D. Hardy; Harold G. Wolff
The Utilization of L-Glucose by Mammalian Tissues and Bacteria, pp. 112-113
Harry Rudney
Tularemia Endotoxin, p. 113
Talât Vasfi Öz


Scientific Apparatus and Laboratory Methods
The Thromboplastin Reagent for the Determination of Prothrombin, pp. 113-114
Armand J. Quick
A Stopcock Lubricant for Use with Solvents, Acids or Alkalies, p. 114
P. W. Rohrbaugh
Shadowgraph Recording of Avena Coleoptile Curvatures, p. 114
Harry G. Albaum; Samuel Kaiser


Science News, pp. 8+10-11
Back Matter (1 p.)

Previous Issue: New Series, Vol. 92, No. 2378, Jul. 26, 1940
Next Issue: New Series, Vol. 92, No. 2380, Aug. 9, 1940



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