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Science, New Series, Vol. 66, No. 1699, Jul. 22, 1927


Previous Issue: New Series, Vol. 66, No. 1698, Jul. 15, 1927
Next Issue: New Series, Vol. 66, No. 1700, Jul. 29, 1927


Front Matter (10 pp.)
Medical Research and Its Organization, pp. 69-73
Simon Flexner


Scientific Events
The Conversaziones of the Royal Society, pp. 73-74
An International Society for the Study of Peatlands, pp. 74-75
An Agricultural Census of the World, p. 75
The Geologic Survey of Pennsylvania, p. 75
Field Expeditions of the University of Chicago, pp. 75-76
Resolutions in Memory of Victor Lenher, p. 76


Scientific Notes and News, pp. 76-78
University and Educational Notes, p. 78


Discussion
Misuse of the Name "Leucoscope", pp. 78-79
Irwin G. Priest
Tadpoles as a Source of Protozoa for Classroom Use, pp. 79-80
Elery R. Becker
The Effect of Ultraviolet Radiations upon Soy Beans, p. 80
H. Rebecca Dane
Flora of Barro Colorado Island, Canal Zone, p. 80
A. S. Hitchcock
A Daylight Meteor, pp. 80-81
William L. Bryant


Quotations
The National Museum of Australian Zoology, p. 81


Scientific Books
----------------, pp. 81-84
The Internal Constitution of the Stars
A. S. Eddington
Review author[s]: H. H. Plaskett


Artificial Transmutation of the Gene, pp. 84-87
H. J. Muller


Scientific Apparatus and Laboratory Methods
An Instrument for Repeated Determinations of Blood Viscosity in an Animal, pp. 87-89
Russell A. Waud


Special Articles
Balantidia from Pigs and Guinea-Pigs: Their Viability, Cyst Production and Cultivation, pp. 89-91
C. W. Rees
The Decomposition of Hydrogen Peroxide and the Mechanism of Latent Photographic Image Intensification, p. 92
E. P. Wightman; R. F. Quirk


Science News, pp. x+xii+xiv

Previous Issue: New Series, Vol. 66, No. 1698, Jul. 15, 1927
Next Issue: New Series, Vol. 66, No. 1700, Jul. 29, 1927



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