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Science, New Series, Vol. 93, No. 2425, Jun. 20, 1941


Previous Issue: New Series, Vol. 93, No. 2424, Jun. 13, 1941
Next Issue: New Series, Vol. 93, No. 2426, Jun. 27, 1941


Front Matter (9 pp.)
Science, National and International, and the Basis of Cooperation, pp. 579-584
A. V. Hill

Energy at the Threshold of Vision, pp. 585-587
Selig Hecht; Simon Shlaer; Maurice H. Pirenne


Scientific Events
The College of Surgeons, London, p. 587
Nature Protection and Wildlife Preservation, p. 588
The Scientific Apparatus Makers of America, p. 588
The Hundredth Anniversary of the College of Literature, Science and the Arts of the University of Michigan, pp. 588-589
Celebration at Rutgers University, p. 589
Honorary Degrees Recently Conferred on Scientific Men, pp. 589-590
Deaths and Memorials, p. 590


Scientific Notes and News, pp. 590-593


Discussion
The Manchester Literary and Philosophical Society, pp. 593-594
Donal Sheehan
The Age of Sauropod Dinosaurs, pp. 594-595
Barnum Brown
Westward Spread of Eastern Type Equine Encephalomyelitis Virus, p. 595
Raymond Randall; Ervin A. Eichhorn
The "Meaning" of Science, pp. 595-596
Frederick S. Hammett


Scientific Books
Algebraic Theories, pp. 596-597
Introduction to Algebraic Theories
A. Adrian Albert
Review author[s]: Cyrus Colton MacDuffee
Pharmacy, p. 597
History of Pharmacy. A Guide and a Survey
Edward Kremers; George Urdang
Review author[s]: Charles A. Kofoid


Reports
Thirtieth Annual Report of the Brooklyn Botanic Garden, pp. 597-598


Special Articles
The Prevention by Choline of Liver Cirrhosis in Rats on High Fat, Low Protein Diets, pp. 598-599
Harold Blumberg; E. V. McCollum
The Metabolism of β -Naphthylamine by Rats, Rabbits and Monkeys, pp. 600-601
K. Dobriner; K. Hofmann; C. P. Rhoads
Bacteriaemia in Land-Locked Salmon (Salmo Sebago) in Maine, p. 601
E. Clifford Nelson; S. F. Snieszko


Scientific Apparatus and Laboratory Methods
A Design for a Saturated Calomel Electrode, pp. 601-602
M. Garcia Banus
A Convenient Method of Labeling Bottles, p. 602
E. Wilbur Cook
How to Remove the Plungers of "Frozen" Glass Syringes, p. 602
W. R. Goff


Science News, pp. 8-10

Previous Issue: New Series, Vol. 93, No. 2424, Jun. 13, 1941
Next Issue: New Series, Vol. 93, No. 2426, Jun. 27, 1941



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