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Science, New Series, Vol. 70, No. 1802, Jul. 12, 1929


Previous Issue: New Series, Vol. 70, No. 1801, Jul. 5, 1929
Next Issue: New Series, Vol. 70, No. 1803, Jul. 19, 1929


Front Matter (4 pp.)


The Economic Status of Scientific Men and Women
Budget Needs of College Teachers, pp. 19-25
Benjamin R. Andrews
Salaries and Supplementary Earnings of College Teachers, pp. 26-29
Frank P. Bachman


Obituary
Professor John A. Mandel, pp. 29-30
W. C. MacTavish
Recent Deaths, p. 30


Scientific Events
The Opening of down House, p. 30
The Joint Meeting of the French and British Associations at Havre, pp. 30-31
The Royal Geographical Society, pp. 31-32
The Retirement of Dean Veranus A. Moore of Cornell University, p. 32
Grants-In-Aid Fund of the National Research Council, p. 32


Scientific Notes and News, pp. 32-36
University and Educational Notes, pp. 36-37


Discussion
Biological Control of the Prickly Pear in Madagascar, p. 37
Charles F. Swingle
Horses, Dogs and Cats, pp. 37-38
Austin H. Clark
Atmospheric Electricity, pp. 38-39
Victor A. Endersby; Duncan G. Foster
Educational Science!, p. 39
Samuel W. Fernberger


Special Correspondence
The Recent Bone-Cavern Find at Bishop's Cap, New Mexico, pp. 39-41
Wm. Alanson Bryan


Scientific Books
----------------, pp. 41-43
Statistical Mechanics
R. H. Fowler
Review author[s]: J. H. Van Vleck


Scientific Apparatus and Laboratory Methods
A Method for Comparing the Value of Ammonia Nitrogen and Nitrate Nitrogen, pp. 43-44
William G. Friedemann
A New Type of Respiration Chamber, p. 44
T. J. Maney; P. L. Harding; H. H. Plagge


Special Articles
Relation of External Environment to Course of a B. Enteritidis Infection in Mice, p. 45
I. J. Kligler; L. Olitzki
Botanical and Geological Evidence for an Ancient Lake, pp. 45-46
H. R. Aldrich; N. C. Fassett


Science News, pp. x+xii+xiv

Previous Issue: New Series, Vol. 70, No. 1801, Jul. 5, 1929
Next Issue: New Series, Vol. 70, No. 1803, Jul. 19, 1929



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