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Science, New Series, Vol. 67, No. 1747, Jun. 22, 1928


Previous Issue: New Series, Vol. 67, No. 1746, Jun. 15, 1928
Next Issue: New Series, Vol. 67, No. 1748, Jun. 29, 1928


Front Matter (4 pp.)
The Differentiation of Species, pp. 615-619
Henry E. Crampton

Research and the Training of the Researcher, pp. 619-620
T. H. Eaton

The Promotion of Knowledge of Precambrian Life, pp. 620-621
David White


Scientific Events
The Award of Prizes and Grants by the Belgian Academy of Sciences, p. 622
Exhibit of the Bingham Oceanographic Collection at Yale University, p. 622
Oklahoma Geological Survey Field Parties, p. 623
Appointments and Promotions at Harvard University, p. 623


Scientific Notes and News, pp. 624-627
University and Educational Notes, pp. 627-628


Discussion and Correspondence
Research Plus News-Gathering, pp. 628-629
Edwin E. Slosson; Watson Davis
Agronomic Jabberwocky, pp. 629-630
J. H. Kempton
Note on the Inertia Dyadic, p. 630
I. F. Morrison
A New Amphibian Record from Kansas, Hyla Phaerocrypta (Cope), pp. 630-631
Charles E. Burt
Geologic Age by Lead Uranium Ratios, p. 631
Alfred C. Lane
Datum, Data, p. 631
F. E.


Scientific Books
----------------, p. 632
Comparative Meteorology, Manual of Meteorology
Napier Shaw
Review author[s]: Alexander McAdie


Reports
Intellectual Cooperation and Biology, pp. 633-634
J. E. De Vos Van Steenwijk


Special Articles
Variation in Solar Radiation, pp. 634-635
C. G. Abbot


Societies and Academies, pp. 635-636
Science News, pp. x+xii+xiv

Previous Issue: New Series, Vol. 67, No. 1746, Jun. 15, 1928
Next Issue: New Series, Vol. 67, No. 1748, Jun. 29, 1928



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