TRANSACTIONS 
OF THE 
TEXAS ACADEMY OF SCIENCE 
FOR 1901. 
THE WATEK POWEH OF TEXAS. 
Thomas U. Taylor, C. E., M. C. E., 
University of Texas, Austin, Texas. 
VOLUME IV, PART II, NO. 4. 
AUSTIN, TEXAS, U. g. A. : 
PUBLISHED BY THE ACADEMY 
