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Science, New Series, Vol. 102, No. 2650, Oct. 12, 1945


Previous Issue: New Series, Vol. 102, No. 2649, Oct. 5, 1945
Next Issue: New Series, Vol. 102, No. 2651, Oct. 19, 1945


Front Matter (3 pp.)
A Challenge to Civilization, pp. 363-364
Niels Bohr

The Role of Bacteria in the Formation and Transformation of Petroleum Hydrocarbons, pp. 364-369
Claude E. Zobell


Obituary
Edmund Burke Delabarre, p. 369
R. S. Woodworth
Frank W. Collier, pp. 369-370
James F. Couch
Ermon Dwight Eastman, p. 370
W. M. Latimer
Recent Deaths, p. 370


Scientific Events
The Spring Meeting of the American Association for the Advancement of Science, pp. 370-371
F. R. Moulton
Expedition to Nyasaland of the American Museum of Natural History, p. 371
Predoctoral Fellowships in the Natural Sciences, p. 371
News from Abroad, pp. 371-373


Scientific Notes and News, pp. 373-376


Special Articles
Bacitracin: A New Antibiotic Produced by a Member of the B. Subtilis Group, pp. 376-377
Balbina A. Johnson; Herbert Anker; Frank L. Meleney
Serologic Evidence of Cytoplasmic Interchange during Conjugation in Paramecium Bursaria, pp. 377-378
James A. Harrison; Elizabeth H. Fowler
The Coagulation of Latex, pp. 378-380
William Seifriz


Scientific Apparatus and Laboratory Methods
Sedimentation of Poliomyelitis Virus by Centrifugation, pp. 380-382
Rosalie J. Silverberg
New Protection for Field Data, p. 382
John W. Brainerd


Discussion
The Bush Report and Senate Bills, pp. 382-383
F. R. Moulton
Proposed Unit for High Vacuum, p. 383
Saul Dushman
Mycoflora of Buds, pp. 383-384
Paul D. Keener


Scientific Books
John Merle Coulter, pp. 384-385
John Merle Coulter
Andrew Denny Rodgers
Review author[s]: H. W. Rickett
Soil Fungi, pp. 385-386
A Manual of Soil Fungi
Joseph C. Gilman
Review author[s]: John N. Couch
The Blood in Children, p. 386
Atlas of the Blood in Children
Kenneth D. Blackfan; Louis K. Diamond
Review author[s]: Carl H. Smith


Science News, p. 14

Previous Issue: New Series, Vol. 102, No. 2649, Oct. 5, 1945
Next Issue: New Series, Vol. 102, No. 2651, Oct. 19, 1945



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