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Science, New Series, Vol. 80, No. 2083, Nov. 30, 1934


Previous Issue: New Series, Vol. 80, No. 2082, Nov. 23, 1934
Next Issue: New Series, Vol. 80, No. 2084, Dec. 7, 1934


Front Matter (1 p.)


American Association for the Advancement of Science
Preliminary Announcement of the Third Pittsburgh Meeting, pp. 485-494
Henry B. Ward


The New Observatory at Princeton University, pp. 494-495
Frank Schlesinger

Oceanographical Work at Bermuda of the New York Zoological Society, pp. 495-496
William Beebe


Obituary
James Mark Baldwin: 1861-1934, pp. 497-498
Joseph Jastrow
Recent Deaths, p. 498


Scientific Events
The Wayman Crow Hall of Physics at Washington University, p. 498
Awards of the American Society of Mechanical Engineers, pp. 498-499
Award of the Joseph Leidy Medal by the Academy of Natural Sciences of Philadelphia, p. 499
Awards and Officers of the Royal Society, pp. 499-500


Scientific Notes and News, pp. 500-502


Discussion
The Sequence of Infection, Allergy and Resistance as Represented by X-Rays in Human Pulmonary Tuberculosis, pp. 502-503
Henry Sewall
The Role of Damping-Off Diseases in Relation to Failures of Alfalfa Stands on Some Acid Soils, p. 503
Walter F. Buchholtz
Wanted: Halos in Mica, pp. 503-504
Alfred C. Lane


Scientific Books
The Dynamics of Population, pp. 504-505
Dynamics of Population. Social and Biological Significance of Changing Birth Rates in the United States
Frank Lorimer; Frederick Osborn
Review author[s]: Raymond Pearl


Special Articles
The Isolation of Crystalline Trypsinogen and its Conversion into Crystalline Trypsin, pp. 505-506
M. Kunitz; J. H. Northrop


Books Received, p. 506
Science News, pp. 13a-15a
Back Matter (9 pp.)

Previous Issue: New Series, Vol. 80, No. 2082, Nov. 23, 1934
Next Issue: New Series, Vol. 80, No. 2084, Dec. 7, 1934



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