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Science, New Series, Vol. 24, No. 622, Nov. 30, 1906


Previous Issue: New Series, Vol. 24, No. 621, Nov. 23, 1906
Next Issue: New Series, Vol. 24, No. 623, Dec. 7, 1906


Front Matter (2 pp.)
The Promotion of Agricultural Science, pp. 673-681
Henry Prentiss Armsby


Scientific Books
----------------, pp. 681-684
Soils. Their Formation, Properties, Composition and Relation to Climate and Plant Growth, in the Humid and Arid Regions
E. W. Hilgard
Review author[s]: F. H. King
Hatch and Corstorphine's Geology of South Africa, pp. 684-686
`Gli Insetti, loro organizzazione, sviluppo, abitudini e rapporti coll'uomo
Antonio Berlese
Review author[s]: W. M. D.; L. O. Howard


Societies and Academies, pp. 686-692


Discussion and Correspondence
Principles Which Govern the United States Geological Survey in its Relations with Other Geological Surveys and Working Geologists, pp. 692-693
Charles D. Walcott
A New Variety of Honorary Ph.D., pp. 693-694
X.
An Intermittent Flowing Well, p. 694
S. W. McCallie
`The Wireless Telegraph and Aurora.', pp. 694-695
C. J. Stuart
The Glacial Epoch, p. 695
J. M. Schaeberle


Special Articles
Variation in Parthenogenetic Insects, pp. 695-699
Vernon L. Kellogg
A Statistical Study of American Men of Science. II. The Measurement of Scientific Merit, pp. 699-707
J. McKeen Cattell


Notes on Organic Chemistry, pp. 707-708
J. Bishop Tingle

The Convocation Week Meetings of Scientific Societies, pp. 708-709
Scientific Notes and News, pp. 709-712
University and Educational News, p. 712

Previous Issue: New Series, Vol. 24, No. 621, Nov. 23, 1906
Next Issue: New Series, Vol. 24, No. 623, Dec. 7, 1906



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