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Science, New Series, Vol. 74, No. 1929, Dec. 18, 1931


Previous Issue: New Series, Vol. 74, No. 1928, Dec. 11, 1931
Next Issue: New Series, Vol. 74, No. 1930, Dec. 25, 1931


Front Matter (8 pp.)
What Does Einstein Mean?, pp. 609-618
J. Frenkel

Physiological Time, pp. 618-621
Alexis Carrel


Obituary
Memorials, pp. 621-622
Recent Deaths, p. 622


Scientific Events
The Wellcome Research Institution, pp. 622-623
New Bird Sanctuaries, pp. 623-624
The Seventh American Scientific Congress, p. 624
Award of the Edison Medal to Dr. Edwin W. Rice, Jr., pp. 624-625


Scientific Notes and News, pp. 625-628


Discussion
A Submerged Beach off Bermuda, pp. 629-630
William Beebe
Position of Wood in Beaver Dams, p. 630
Charles Macnamara
Virginia Geological Survey Field Work, pp. 630-631
Arthur Bevan
Poisoning Rodents--and Then?, p. 632
A. Brazier Howell
Treatment for Poisoning by "Poison Ivy", pp. 632-633
Maynard M. Metcalf


Scientific Apparatus and Laboratory Methods
Testing the Reaction of Distilled Water, pp. 633-634
Emil Truog
A Method of Copying Kymographic Records, p. 634
Walter C. Alvarez
Apparatus for Observation of a Small Object While Flooded with Various Solutions, pp. 634-635
Ernest C. McCulloch
A Simple Device for Holding Ultra-Filtration Membranes, p. 635
Charles Breedis


The National Academy of Sciences. III, pp. 635-638
Science News, pp. 10a+12a+14a

Previous Issue: New Series, Vol. 74, No. 1928, Dec. 11, 1931
Next Issue: New Series, Vol. 74, No. 1930, Dec. 25, 1931



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