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Science, New Series, Vol. 84, No. 2167, Jul. 10, 1936


Previous Issue: New Series, Vol. 84, No. 2166, Jul. 3, 1936
Next Issue: New Series, Vol. 84, No. 2168, Jul. 17, 1936


Front Matter (2 pp.)
Graduate Work in Science, past, Present and Future, pp. 27-33
F. K. Richtmyer


Obituary
Charles E. Johnson, pp. 33-34
Justus F. Mueller
Recent Deaths, p. 34


Scientific Events
Exhibition of Historic Scientific Apparatus, p. 34
Boundaries of National Forests, pp. 34-35
The Alpha Epsilon Delta Convention, p. 35
The Tercentenary Session of the Harvard School of Public Health, pp. 35-36
Officers of the National Research Council--1936-1937, p. 36


Scientific Notes and News, pp. 36-39


Discussion
The Effect of Irrigation upon Soil Texture, pp. 39-40
Thos. H. Means
Unpublished Poem by T. A. Conrad, p. 40
T. A. Conrad; Katherine V. W. Palmer
Paths of Flight, pp. 40-41
Alexander Gordon
Upper Devonian Sponges, p. 41
E. R. Eller
A Correction, p. 41
Robert Cushman Murphy


Scientific Books
Cranial Muscles of Vertebrates, pp. 41-42
The Cranial Muscles of Vertebrates
F. H. Edgeworth
Review author[s]: T. Wingate Todd
Statistics and Numerical Tables, pp. 42-43
Elements of Statistics with Applications to Economic Data
Harold T. Davis; N. F. G. Nelson
Tables of the Higher Mathematical Functions
Harold T. Davis
Review author[s]: Albert A. Bennett


Reports
A Century of Geologic Surveys in Pennsylvania, pp. 43-44
Bradford Willard


Special Articles
A Spirane By-Product in the Phenanthrene Synthesis, pp. 44-45
Marston Taylor Bogert
The Oestrogenic Activity of Certain Phenanthrene and Hydrophenanthrene Derivatives, pp. 45-46
Gregory Pincus; N. T. Werthessen
Plant Growth Effects of Heteroauxin Applied to Soil and Plants, pp. 46-47
W. F. Loehwing; L. C. Bauguess


Scientific Apparatus and Laboratory Methods
Reconditioning Aphids for Study, pp. 47-48
E. O. Essig
An Electrical Remedy for Tree Borers, p. 48
Victor H. Schmidt
An Improved Method of Preparing Distribution Maps, p. 48
Leslie Hubricht


Books Received, p. 48
Science News, pp. 6a-8a

Previous Issue: New Series, Vol. 84, No. 2166, Jul. 3, 1936
Next Issue: New Series, Vol. 84, No. 2168, Jul. 17, 1936



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