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Science, New Series, Vol. 107, No. 2789, Jun. 11, 1948


Previous Issue: New Series, Vol. 107, No. 2788, Jun. 4, 1948
Next Issue: New Series, Vol. 107, No. 2790, Jun. 18, 1948


Front Matter (2 pp.)
Social Science and the Established Order, pp. 607-611
Eli Ginzberg


Obituary
Simon Flexner and Medical Discovery, pp. 611-613
Peyton Rous


American Association for the Advancement of Science: The Centennial Celebration Washington, D. C. September 13-17, 1948, pp. 614-616
News and Notes, pp. 617-620


Comments and Communications
Radioactive Needles Containing Cobalt 60, p. 621
Wm. G. Myers
Influence of Butyl Alcohol on Shape of Snow Crystals Formed in the Laboratory, pp. 621-622
B. Vonnegut
The Berlin Botanic Garden, p. 622
E. B. Babcock
Measurement of Diffusion Coefficients in Liquids by Radioactive Tracers, p. 622
Andrew Gemant


Technical Papers
Amino Acid Impairment in Casein Heated with Glucose, pp. 623-624
A. R. Patton; E. G. Hill; E. M. Foreman
Newly Discovered Outcrops of the Cannonball Formation in North Dakota, pp. 624-625
Roland W. Brown; Richard W. Lemke
The Effects of X-Rays on the Mitotic Activity of Mouse Epidermis, pp. 625-626
Norman P. Knowlton; Louis H. Hempelmann; Joseph G. Hoffman
A Report on the Ridgway Color Standards, pp. 626-628
Wm. I. Illman; D. H. Hamly
Flowering of the Jersey Type Sweet Potato, p. 628
J. J. Mikell; Julian C. Miller; J. B. Edmond


In the Laboratory
Rearing Houseflies and Blowflies on Dog Biscuit, pp. 629-630
Hubert Frings
Use of Papergrams in the Study of the Urinary Excretion of Radioactive Sulfur Compounds, pp. 630-631
Rudolph M. Tomarelli; Klaus Florey
A Simple Attachment to Increase Depth of Focus of Microscope Objectives for Photomicrography, pp. 631-632
Roy J. Pence


Book Reviews
----------------, p. 633
Bergey's Manual of Determinative Bacteriology
Robert S. Breed; E. G. D. Murray; A. Parker Hitchens
Review author[s]: William S. Preston
----------------, pp. 633-634
Organizing Scientific Research for War: The Administrative History of the Office of Scientific Research and Development
Irvin Stewart
Review author[s]: Morris C. Leikind
----------------, p. 634
Introduction to Genetics and Cytogenetics
Herbert Parkes Riley
Review author[s]: W. Ralph Singleton


Scientific Book Register, p. 634

Previous Issue: New Series, Vol. 107, No. 2788, Jun. 4, 1948
Next Issue: New Series, Vol. 107, No. 2790, Jun. 18, 1948



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