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Science, New Series, Vol. 57, No. 1479, May 4, 1923


Previous Issue: New Series, Vol. 57, No. 1478, Apr. 27, 1923
Next Issue: New Series, Vol. 57, No. 1480, May 11, 1923


Front Matter (3 pp.)
Research in Some Aspects of Disease Associated with the Fields of Zoology, Entomology and Parasitology, pp. 507-520
Richard P. Strong

Extracts from Essays of Leonardo Da Vinci, pp. 520-521
David Starr Jordan


Scientific Events
Oxford Memorial to Sir William Osler, pp. 521-522
The Committee of the American Association for the Advancement of Science on Photosynthesis, p. 522
Expedition to the Hawaiian Islands, pp. 522-523
E. W. Nelson
The Indiana Academy of Science, p. 523
Harry F. Dietz
American School in France for Pre-Historic Studies, pp. 523-524
Aleš Hrdlička


Scientific Notes and News, pp. 524-527
University and Educational Notes, pp. 527-528


Discussion and Correspondence
Concentrations of Ions of Insoluble or Undissociated Salts in Solution, p. 528
Benjamin S. Neuhausen
An Egyptian Mathematical Papyrus in Moscow, pp. 528-529
Louis C. Karpinski
Zirconium Fractions, p. 529
Anton R. Rose


Quotations
Federations of Scientific Men, p. 529


The International Work of Scientific Synthesis, pp. 529-532
R. D. Carmichael


Special Articles
Paramagnetism and the Theory of Quanta, pp. 532-533
Paul S. Epstein


The Americal Chemical Society, pp. 533-536
Charles L. Parsons

Science News, pp. ix-x+xii+xiv

Previous Issue: New Series, Vol. 57, No. 1478, Apr. 27, 1923
Next Issue: New Series, Vol. 57, No. 1480, May 11, 1923



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