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Science, New Series, Vol. 105, No. 2734, May 23, 1947


Previous Issue: New Series, Vol. 105, No. 2733, May 16, 1947
Next Issue: New Series, Vol. 105, No. 2735, May 30, 1947


Front Matter (4 pp.)
World Soil and Fertilizer Resources in Relation to Food Needs, pp. 533-538
Robert M. Salter

Modern Concepts of Inflammation, pp. 538-540
Valy Menkin


Obituary
John Lewis Sheldon: 1865-1947, p. 541
Earl L. Core
Philip W. Schutz: 1908-1947, p. 541
Kenneth S. Pitzer


News and Notes, pp. 542-545


Comments by Readers
Reply to Dr. Wright's Criticism, p. 546
Reply to Dr. Wright's Criticism, p. 546
An Oversight, p. 546


Technical Papers
Inability of Thymine to Substitute for Folic Acid in the Rat, pp. 547-548
H. G. Petering; R. A. Delor
Experimental Diabetes and Diet, pp. 548-549
B. A. Houssay; C. Martínez
Mechanism of the Antibiotic Action of Certain Quinones, pp. 549-550
Otto Hoffman-Ostenhof
Virus Hemagglutination, pp. 550-552
Max Bovarnick; Patrick M. De Burgh
Reconsideration of the Photosynthetic Mechanism in Chlorella, p. 552
Jack Myers; Marian L. Cramer


In the Laboratory
Methods for Increasing the Value of Hydra as Material in Teaching and Research, p. 553
Harold W. Chalkley; Helen D. Park
Electron Micrographs of X-Ray-Treated Escherichia coli Cells, pp. 553-555
A. Eisenstark; G. L. Clark
A Mirror Device for Studying Lower Surfaces of Small Objects Using a Dissecting Microscope, pp. 555-556
Richard S. Cowan
Saturation Concentrations of Triethylene Glycol Vapor at Various Relative Humidities and Temperatures, pp. 556-557
Henry Wise; Theodore T. Puck


Book Reviews
----------------, p. 557
The Operculate Land Mollusks of the Family Annulariidae of the Island of Hispanola and the Bahaman Archipelago
Paul Bartsch
Review author[s]: H. Burrington Baker
----------------, pp. 557-558
Performance Records of Individual Trees and Clones of Cinchona in Guatemala
John R. Shuman
Review author[s]: H. Arthur Meyer


Scientific Book Register, p. 558

Previous Issue: New Series, Vol. 105, No. 2733, May 16, 1947
Next Issue: New Series, Vol. 105, No. 2735, May 30, 1947



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