JuLy 19, 1923 SCIENTIFIC NOTES AND NEWS 301 
Dr. F. L. Ransome, of the U. 8. Geological Survey, has accepted an ap- 
pointment as professor of geology and head of the department at the Uni- 
versity of Arizona, Tucson, for the coming academic year. He has not 
severed his connection with the Geological Survey, and his stay in Arizona 
is indefinite. 
Dr. B. Coteman ReEnick, graduate of Chicago University and recently 
connected with the teaching staff of the University of Iowa, has been ap- 
pointed assistant geologist in the ground water division of the U. S. Geolo- 
gical Survey and will begin work in Montana July 1. 
Messrs. E. 8. SHEPHERD and PauL STouTENBURGH, of the Geophysical 
Laboratory, Carnegie Institution of Washington, are making a chemical 
field study of differentiated igneous rocks in Montana and Utah during the 
summer months. 
Dr. Epwarp Wo.LmsENSKY has been appointed associate chemist on the 
investigation of synthetic tanning materials, at the U.S. Bureau of Standards, 
from June 11, 1923. He has recently been engaged in research and develop- 
ment work on dyes and intermediates and during the war did research work 
at the American University. 
