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Science, New Series, Vol. 110, No. 2863, Nov. 11, 1949


Previous Issue: New Series, Vol. 110, No. 2862, Nov. 4, 1949
Next Issue: New Series, Vol. 110, No. 2864, Nov. 18, 1949


Front Matter, p. 513
Psychology and Scientific Research. II. Scientific Inquiry and Scientific Method, pp. 491-497
Hadley Cantril; Adelbert Ames; Albert H. Hastorf; William H. Ittelson

Frederick Gardner Cottrell: 1877-1948, pp. 497-498
Farrington Daniels


Technical Papers
Culture of Fruits in vitro, p. 499
J. P. Nitsch
Separating Frequency Distributions into Two Normal Components, pp. 500-501
Arnold Court
Combination of Tissues from Different Species in Flask Cultures, pp. 501-503
Clifford Grobstein; J. S. Youngner
Transphosphorylation by Alkaline Phosphatase in the Absence of Nucleotides, pp. 503-504
Otto Meyerhof; Harry Green
Hatching Eggs of Floodwater Mosquitoes in Media that Promote Plant Growth, pp. 504-506
William R. Horsfall
A New Apparatus for Recording of Ecologic and Climatic Factors, Especially Temperature, pp. 506-507
Eilif Dahl
Cup Assay with Vitamin B12 as a Standard, pp. 507-509
John C. Foster; John A. Lally; H. Boyd Woodruff
Aureomycin in the Cultivation of Endamoeba histolytica, pp. 509-510
Frances W. Fuller; Ernest Carroll Faust


Comments and Communications
The Structure and Activity Relationships of the Choline Group of Drugs Determined by Measurements of Phase-Boundary Potential, p. 511
T. Cunliffe Barnes; R. Beutner
Geological Applications of Short Range, Two-Way Radio Sets, pp. 511-512
Grover E. Murray
Longevity of the Tropical American Toad, Bufo marinus L., p. 512
C. E. Pemberton
Some Problems in Sensory Prosynthesis, p. 512
J. Wiesner; N. Wiener; L. Levine


News and Notes, pp. 513-516

Previous Issue: New Series, Vol. 110, No. 2862, Nov. 4, 1949
Next Issue: New Series, Vol. 110, No. 2864, Nov. 18, 1949



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