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Science, New Series, Vol. 115, No. 2994, May 16, 1952


Previous Issue: New Series, Vol. 115, No. 2993, May 9, 1952
Next Issue: New Series, Vol. 115, No. 2995, May 23, 1952


Front Matter (1 p.)
Arctic Botanical Research, pp. 3a
Ira L. Wiggins

The Problem of Antiscientific Trends Today, pp. 533-537
Kirtley F. Mather

News and Notes, pp. 537-540


Technical Papers
Isomorphism of Terramycin and Aureomycin Hydrochlorides, p. 541
R. Pepinsky; T. Watanabe
Physiology of an Infrared Receptor: The Facial Pit of Pit Vipers, pp. 541-543
Theodore H. Bullock; Raymond B. Cowles
A Virus Possibly Related to the Psittacosis-Lymphogranuloma-Pneumonitis Group Causing a Pneumonia in Sheep, pp. 543-544
D. G. McKercher
Some Aspects of the Phenomenon of Coacervation, pp. 544-545
Sadhan Basu; Gurucharan Bhattacharya
Effect of Heat on the Properties of Urea at Its Melting Point, pp. 545-546
J. Seiberlich; W. C. Campbell
Sodium Pentobarbital Anesthesia and Mortality from X-Radiation in C57 Black Mice, pp. 547-548
H. Patterson Mack; Frank H. J. Figge
Polarizing Forces of the Muscarinic Moiety, pp. 548-549
F. W. Schueler
Hypothesis of the Biological Action of Radiation, pp. 549-550
Masami Kiga


Comments and Communications
A Citizen's Duty, p. 550
Paul D. Foote
Flash in Photomicrography, p. 550
R. E. Bevis; W. F. Hetrick
Reservist Reaction, pp. 550-552
R. C. Bard; S. J. Tassinari; Anthony O. Mirarchi; S. W. Geiser; Charles G. Wilber
A Simple Pipetting Device, p. 552
J. A. McCarter
Distilled Water from Boiler Steam, p. 552
E. T. Margolis


Book Reviews
----------------, p. 553
A Dictionary of Antibiosis
Review author[s]: John Hays Bailey
----------------, pp. 553-554
Genetics in the 20th Century
L. C. Dunn
Review author[s]: C. P. Swanson


Scientific Book Register, p. 554

Previous Issue: New Series, Vol. 115, No. 2993, May 9, 1952
Next Issue: New Series, Vol. 115, No. 2995, May 23, 1952



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