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Previous Issue: New Series, Vol. 109, No. 2842, Jun. 17, 1949
Next Issue: New Series, Vol. 110, No. 2844, Jul. 1, 1949
Volume Information (17 pp.)
Loyalty and Security Problems of Scientists: A Summary of Current Clearance Procedures, pp. 621-624
- Scientists' Committee on Loyalty Problems
Biological Synthesis of Radioactive Silk, pp. 624-626
- Paul C. Zamecnik; Robert B. Loftfield; Mary L. Stephenson; Carroll M. Williams
Technical Papers
- The Conversion of β-Erythroidine to Derivatives of the Desmethoxy Series and Some Pharmacological Properties of Apo-β-Erythroidine, pp. 627-628
- G. L. Sauvage; F. M. Berger; V. Boekelheide
- Surface Action in 2,4-D Sprays, pp. 628-629
- D. W. Staniforth; W. E. Loomis
- Hemolytic Disease in Newborn Dogs Following Isoimmunization of the Dam by Transfusions, pp. 630-631
- Lawrence E. Young; Donald M. Ervin; Richard M. Christian; R. Wendell Davis
- The Antithyroid Factor of Yellow Turnip, p. 631
- E. B. Astwood; Monte A. Greer; Martin G. Ettlinger
- Properties of Barium Titanate in Connection with Its Crystal Structure, pp. 632-635
- G. H. Jonker; J. H. Van Santen
Comments and Communications
- Late Pleistocene Dates Derived from Radiocarbon Assays, p. 636
- Richard Foster Flint
- A Note on Inexpensive One-Way Vision Material, p. 636
- Lawrence Joseph Stone
Book Reviews
- ----------------, p. 637
- George Ellett Coghill: Naturalist and Philosopher
- C. Judson Herrick
- Review author[s]: M. F. Ashley Montagu
- ----------------, pp. 637-638
- Science at War
- J. G. Crowther; R. Whiddington
- Review author[s]: Philip M. Morse
- ----------------, p. 638
- Blood Transfusion
- Elmer L. DeGowin; Robert C. Hardin; John B. Alsever
- Review author[s]: Louis K. Diamond
- ----------------, p. 638
- Contribution a l'Etude de la Structure Moléculaire. (Volume Commemoratif Victor Henri.)
- L. Brillouin; J. Duchesne
- Review author[s]: Harald H. Nielsen
News and Notes, pp. 639-642
Back Matter (1 p.)
Previous Issue: New Series, Vol. 109, No. 2842, Jun. 17, 1949
Next Issue: New Series, Vol. 110, No. 2844, Jul. 1, 1949