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Science, New Series, Vol. 42, No. 1073, Jul. 23, 1915


Previous Issue: New Series, Vol. 42, No. 1072, Jul. 16, 1915
Next Issue: New Series, Vol. 42, No. 1074, Jul. 30, 1915


Front Matter (1 p.)
Forty Years' Fluctuations in Mathematical Research, pp. 105-113
H. S. White

Nicholai Alexeyevich Oumov, pp. 113-115
Leo Pasvolsky

Classification of Technical Literature, pp. 115-116
The Nineteenth International Congress of Americanists, p. 116
W. A. Holmes; A. Hrdlička

Scientific Notes and News, pp. 116-121
University and Educational News, pp. 121-122


Discussion and Correspondence
Note on the Meridional Deviation of a Falling Body, pp. 122-126
Wm. H. Roever
Vegetative Regeneration of Alfalfa, pp. 126-127
Orville T. Wilson


Quotations
The Organization of Science in Great Britain, pp. 127-128


Scientific Books
----------------, pp. 128-129
Modern Instruments and Methods of Calculation
E. M. Horsburgh
Review author[s]: David Eugene Smith
----------------, pp. 129-130
Die Elemente der Entwicklungslehre des Menschen und der Wirbeltiere. Anleitung und Repetitorium für Studierende und Aerzte
Oscar Hertwig
Review author[s]: Frederic T. Lewis


Special Articles
Electrical Density and Absorption of β-Rays, pp. 130-131
Fernardo Sanford
Evidence Proving That the Belly River Beds of Alberta Are Equivalent with the Judith River Beds of Montana, pp. 131-133
Charles H. Sternberg
The Travertine Record of Blake Sea, pp. 133-134
D. T. MacDougal; Godfrey Sykes


Societies and Academies, p. 134

Previous Issue: New Series, Vol. 42, No. 1072, Jul. 16, 1915
Next Issue: New Series, Vol. 42, No. 1074, Jul. 30, 1915



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