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Science, New Series, Vol. 104, No. 2689, Jul. 12, 1946


Previous Issue: New Series, Vol. 104, No. 2688, Jul. 5, 1946
Next Issue: New Series, Vol. 104, No. 2690, Jul. 19, 1946


Some Recent Developments in the Field of Electron Microscopy, pp. 21-26
Ralph W. G. Wyckoff


Technical Papers
Radiochemical Changes in Some Fatty Acids, pp. 27-28
Richard E. Honig
Surface Phagocytosis -- Its Relation to the Mechanism of Recovery in Pneumococcal Pneumonia, pp. 28-29
W. Barry Wood; Mary Ruth Smith; Barbara Watson
Transplantation of Adult Filarial Worms, Litomosoides carinii, in Cotton Rats, pp. 30-31
D. R. A. Wharton
The Effect of Thiouracil upon Pigmentation in the Tadpole, p. 31
W. Gardner Lynn; Alfred De Marie


News and Notes, pp. 32-35


In the Laboratory
Modifications of Specimens in Electron Microscopy, pp. 35-36
L. Marton; N. N. Das Gupta; C. Marton
Frozen-Dried Preparations for the Electron Microscope, pp. 36-37
Ralph W. G. Wyckoff


Letters to the Editor
On the Mechanism of Action of Folic Acid and Liver Extract in the Treatment of Anemia, pp. 37-38
John Emerson Davis
Some Effects of Electronic Transitions upon Precision Thermometry, p. 38
W. R. Ham; C. H. Samans
Some Thoughts on ``Gene Action'', p. 38
Werner Braun
Meteor Crater, Arizona, pp. 38-39
Eliot Blackwelder


Book Reviews
----------------, p. 39
Encyclopédie entomologique. XXII: Les Coléoptères des denrées alimentaires et des produits industriels entreposés
P. Lepesme
Review author[s]: Bryant E. Rees
----------------, pp. 39-40
A Primer of Electrocardiography
George Burch; Travis Winsor
Review author[s]: Harold J. Stewart
----------------, pp. 40-41
The Mosquitoes of New Jersey and Their Control
Thomas J. Headlee
Review author[s]: Willard V. King
----------------, p. 41
Table of Arc Sin X and Tables of Associated Legendre Functions
Lyman J. Briggs; Arnold N. Lowan
Review author[s]: J. L. Walsh
----------------, p. 41
The University at the Crossroads
Henry E. Sigerist
Review author[s]: Chauncey D. Leake


Scientific Book Register, p. 42

Previous Issue: New Series, Vol. 104, No. 2688, Jul. 5, 1946
Next Issue: New Series, Vol. 104, No. 2690, Jul. 19, 1946



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