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Science, New Series, Vol. 73, No. 1901, Jun. 5, 1931


Previous Issue: New Series, Vol. 73, No. 1900, May 29, 1931
Next Issue: New Series, Vol. 73, No. 1902, Jun. 12, 1931


Front Matter (4 pp.)
Dr. Karl Landsteiner: Nobel Prize Laureate in Medicine, 1930, pp. 599-604
Stanhope Bayne-Jones


Obituary
Louis Hermann Pammel, pp. 604-605
A. T. Erwin
Memorials, p. 605
Recent Deaths, p. 605


Scientific Events
Gift from Mr. Harkness of an Eye Institute to the Presbyterian Hospital at the Columbia Medical Center, p. 606
The Sixteenth International Geological Congress, pp. 606-607
The American School of Prehistoric Research, p. 607
Summer Meeting and Tour of the American Phytopathological Society, p. 607
In Honor of Professor R. W. Wood, pp. 607-608


Scientific Notes and News, pp. 608-612


Discussion
Is an International Zoological Nomenclature Practicable?, pp. 612-613
F. A. Bather
A Conference on Heredity as Applied to Man, pp. 613-614
Madge Thurlow Macklin
The Cultivation of a Nematode Parasite of an Insect, pp. 614-615
R. W. Glaser
The Potato Rugose Mosaic Complex, p. 615
Karl Koch
Michelson and Rowland, p. 615
Edwin H. Hall
Consultant Service at the Library of Congress, pp. 615-616
H. W. Tyler
Kopernik, p. 616
St. Michalski
Erroneous Citations, pp. 616-617
C. W. Ackerson


Scientific Apparatus and Laboratory Methods
A Simple Device for Humidity Regulation, pp. 617-618
George E. R. Hervey; James G. Horsfall


Special Articles
The Leakage of Helium through Pyrex Glass at Room Temperature, II, p. 618
G. P. Baxter; H. W. Starkweather
Increasing the Vitamin D Potency of Cow's Milk by the Daily Feeding of Irradiated Yeast Or Irradiated Ergosterol, pp. 618-620
Byron H. Thomas; Florence L. MacLeod
The Preparation of Adrenal Extract, p. 620
Frank A. Hartman; K. A. Brownell
The Life History of Babesia Bigemina in the North American Fever Tick, pp. 620-621
Emery Westervelt Dennis
Calcium Arsenate and Unproductiveness in Certain Soils, p. 622
W. B. Albert; W. R. Paden


Books Received, p. 622
Science News, pp. 10a+12a+14a

Previous Issue: New Series, Vol. 73, No. 1900, May 29, 1931
Next Issue: New Series, Vol. 73, No. 1902, Jun. 12, 1931



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