512 SCIENTIFIC NOTES AND NEWS 



Prof. S. W. Young, professor of physical chemistry at Leland Stan- 

 ford Jr. University, is in Washington for the summer, engaged in war 

 research at the Bureau of Standards. 



N. H. Darton, of the Geological Survey, will spend several months 

 in New Mexico continuing his studies of the Redbeds, with special 

 reference to the possibiUty of their containing potash deposits. 



