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Science, New Series, Vol. 54, No. 1389, Aug. 12, 1921


Previous Issue: New Series, Vol. 54, No. 1388, Aug. 5, 1921
Next Issue: New Series, Vol. 54, No. 1390, Aug. 19, 1921


Front Matter (1 p.)
The California Institute of Technology, pp. 119-120
The Course in General Zoology: Methods of Teaching, pp. 120-123
D. H. Wenrich

Louis Albert Fischer, pp. 123-125
C. W. Waidner


Scientific Events
The British National Physical Laboratory, p. 125
Resolutions of the Medical Board of the Johns Hopkins Hospital, pp. 125-126
The Human-Yale College of Medicine, p. 126
A New Museum at Castine, Maine, pp. 126-127


Scientific Notes and News, pp. 127-129
University and Educational Notes, p. 129


Discussion and Correspondence
``Denudation,'' ``Erosion,'' ``Corrosion'' and ``Corrasion'', pp. 130-131
Wilbur G. Foye
A Possible Factor in the Increasing Incidence of Goiter, p. 131
E. R. Hayhurst
The Social Aspects of Country Planning, pp. 131-132
C. J. Gilpin


Quotations
Customs Legislation in England, pp. 132-133


Special Articles
The Practical Significance of the Revolution of the Embryo in Aphid Eggs, pp. 133-135
A. C. Baker


The American Chemical Society, pp. 135-138
Charles L. Parsons

Previous Issue: New Series, Vol. 54, No. 1388, Aug. 5, 1921
Next Issue: New Series, Vol. 54, No. 1390, Aug. 19, 1921



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