Thk Stanford University Meeting 197 



Special Reports on Scientific Progress 



J. \Y. McBain, Stanford University. "Recent Advances in Colloid Chem- 

 istry." 



A. R. Davis, University of California, Berkeley. "Mineral Metabolism in 

 Plants." 



Henry Borsook, California Institute of Technology. "Biological Oxida- 

 tions and Reductions." 



J. W. Macfarlane, University of California, Berkeley. "Research on Per- 

 sonality Development." 



Symposium on "Radiation and Life" 



W. V. Houston, California Institute of Technology. "Radiation." 



John H. Lawrence, University of California, Berkeley. "Radioactive 

 Elements as Tracers in Metabolic Studies." 



M. Delbruck, California Institute of Technology. "Radiation and the 

 Hereditary Mechanism." 



Robert R. Newell, Stanford University Hospitals, San Francisco, Calif. 

 "Medical Applications." 



Symposia 



"Some Xew Ultra-High-Frequency Radio Apparatus ( 4 papers with 

 demonstrations). American Physical Society. 



"Methods and Results of X-ray Structure Determination" (5 papers). 

 American Physical Society. 



"Dams and the Problem of Migratory Fishes" (5 papers). American 

 Society of Ichthyologists and Herpetologists, Western Division, and The 

 Western Society of Naturalists. 



"Recent Contributions of Botany and Ecology to Society" (4 papers). 

 Ecological Society of America, Western Section, and Botanical Society of 

 America, Pacific Section. 



"Availability of Nutrients in Soils to Plants" (6 papers). American So- 

 ciety of Plant Physiologists, Western Section, and Western Society of Soil 

 Science. 



"Translocation of Solutes in Plants" ((> papers). American Society of 

 Plant Physiologists. Western Section, and Botanical Society of America, 

 Pacific Section. 



"Growth" (8 papers). American Society of Plant Physiologists, Western 

 Division. 



"Native Plants of Western North America Offering Exceptional Mate- 

 rial for Botanical Research" ( 5 papers). Botanical Society of America, Pa- 

 cific Section. 



