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Science, New Series, Vol. 70, No. 1804, Jul. 26, 1929


Previous Issue: New Series, Vol. 70, No. 1803, Jul. 19, 1929
Next Issue: New Series, Vol. 70, No. 1805, Aug. 2, 1929


Front Matter (4 pp.)
Some Problems of Cosmical Physics, Solved and Unsolved, pp. 77-84
Lord Rayleigh

The Decline in the Average Length of Life, pp. 85-87
C. H. Forsyth


Obituary
Sidney Savory Buckman, 1860-1929, pp. 87-88
C. H. Crickmay
Recent Deaths, p. 88


Scientific Events
Progress of the World Farm Census, p. 89
Report of the House Committee on Flood Control, pp. 89-90
The New Laboratory Building at Columbia University, p. 90
Summer Work of Harvard Geologists, pp. 90-91
Committees of the American Engineering Council, p. 91


Scientific Notes and News, pp. 91-95
University and Educational Notes, pp. 95-96


Discussion
Priority in Stratigraphic Nomenclature, pp. 96-97
Herbert P. Woodward
Did John Napier Invent Logarithms?, pp. 97-98
G. A. Miller
Dinosaur Tendons, p. 98
Roy L. Moodie
Lactation Vs. Improved Growth in Stock Albino Rats, pp. 98-99
Arthur H. Smith; William E. Anderson


Special Correspondence
Stanford University Scientific Expedition, pp. 99-100
Lionel William Wiedey; William W. Valentine


Scientific Books
----------------, pp. 100-101
Geologie von Peru
G. Steinmann
Review author[s]: Edward W. Berry


Special Articles
On the Incidence of Infection with Intestinal Protozoa, p. 102
David Causey
Chemical Treatment to Shorten the Rest Period of Sugar Maple Trees, p. 102
C. G. Deuber; P. R. Bowen


Science News, pp. x+xii+xiv

Previous Issue: New Series, Vol. 70, No. 1803, Jul. 19, 1929
Next Issue: New Series, Vol. 70, No. 1805, Aug. 2, 1929



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