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Science, New Series, Vol. 30, No. 774, Oct. 29, 1909


Previous Issue: New Series, Vol. 30, No. 773, Oct. 22, 1909
Next Issue: New Series, Vol. 30, No. 775, Nov. 5, 1909


Front Matter (1 p.)
The Relations of Colleges to Secondary Schools in Respect to Physics, pp. 577-586
Edwin H. Hall

The International Congress of Radiology and Electricity, pp. 586-587
G. F. Hull

Winter Meeting of the American Chemical Society, pp. 587-590
Charles L. Parsons

The National Conference Committee on Standards of Colleges and Secondary Schools, pp. 590-591
Frederick C. Ferry

The New England Geological Excursion, pp. 591-592
Robert M. Brown

Wisconsin Geological and Natural History Survey, pp. 592-593
Scientific Notes and News, pp. 593-596
University and Educational News, p. 596


Discussion and Correspondence
Recommendations Regarding the Treatment of Genera without Species, Etc., pp. 596-597
J. A. Allen
Stable Nomenclature Practically Unattainable, pp. 597-598
A. S. Hitchcock
The Magnetic Storm of September 25, 1909, pp. 598-599
J. E. Burbank


Scientific Books
Some Recent Books on Chemistry, pp. 599-603
Allgemeine Physiologie. Ein Grundriss der Lehre vom Leben
Max Verworn
The Opisthobranchiate Mollusca of the Branner-Agassiz Expedition to Brazil
Frank Mace MacFarland
Review author[s]: E. Renouf; Frederic S. Lee; Wm. H. Dall


Summaries of Four Opinions (6, 7, 8, 12) by the International Commission on Zoological Nomenclature, p. 603
C. W. Stiles


Special Articles
Carbon Dioxide as a Factor in Heart Beat, pp. 603-604
Hugh McGuigan; R. H. Nicholl
The Influence of Chemicals in Stimulating the Ripening of Fruits, pp. 604-605
A. E. Vinson
Notes on the Parasitism of Cytodites Nudus and Hæmaphysalis Chordeilis, pp. 605-606
Philip B. Hadley


The Winnipeg Meeting of the British Association for the Advancement of Science
Section H--Anthropology, pp. 607-616
George Grant MacCurdy

Previous Issue: New Series, Vol. 30, No. 773, Oct. 22, 1909
Next Issue: New Series, Vol. 30, No. 775, Nov. 5, 1909



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