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Science, New Series, Vol. 70, No. 1801, Jul. 5, 1929


Previous Issue: New Series, Vol. 69, No. 1800, Jun. 28, 1929
Next Issue: New Series, Vol. 70, No. 1802, Jul. 12, 1929


Volume Information (8 pp.)
Front Matter (4 pp.)
Immunological Prophecy from Ancient Hieroglyphics, pp. 1-7
W. H. Manwaring


Obituary
Recent Deaths, p. 8


Scientific Events
The Centenary of James Smithson, p. 8
Research in Coal Mining and Metallurgy at the Carnegie Institute of Technology, pp. 8-9
The Murry and Leonie Guggenheim Foundation, p. 9
The American Institute of Electrical Engineers, pp. 9-10


Scientific Notes and News, pp. 10-14
University and Educational Notes, p. 14


Discussion
A Mechanical Parallel to the Conditioned Reflex, pp. 14-15
Clark L. Hull; H. D. Baernstein
Changes in the Rate of Respiration of the Fruits of the Cultivated Blueberry during Ripening, p. 15
H. F. Bergman
An International List of Genera of Vascular Plants, pp. 15-16
Alfred Gundersen
Gregor Mendel, p. 16
Chas. B. Davenport


Scientific Apparatus and Laboratory Methods
Another Synthetic Resin Useful in Microscopy, pp. 16-17
G. Dallas Hanna


Special Articles
On the Relation of Potassium to Iron in the Combustion of Cigar-Leaf Tobacco, pp. 17-18
D. E. Haley; Otto Olson
Carbon Disulfide Emulsion for the Control of a Nematode, p. 18
P. J. Chapman; M. M. Parker


Science News, pp. x+xii+xiv

Previous Issue: New Series, Vol. 69, No. 1800, Jun. 28, 1929
Next Issue: New Series, Vol. 70, No. 1802, Jul. 12, 1929



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