/V ^AVO 



Vol. IX 



April 1909 



No. 2 



University Studies 



aiuuMfiS/ 



Published by the University of Nebrd'/ka 



(h^ jUN 2 9 



W3 





i*i 



COMMITTEE OF PUBLICATION 



SAMUEL AVERY 

 C. E. BESSEY 

 F. M. FLING 

 DANIEL FORD 



H. ALICE HOWELL 

 W. K. JEWETT 

 J. E. LeROSSIGNOL 

 L. A. SHERMAN 



W. G. L. TAYLOR 



CONTENTS 



I The Separation of the Spectral Lines of 

 Thorium in the Magnetic Field 



B. E. Moore 89 



II The Transmission of Light through Doubly 

 Refracting Plates with Applications to 

 Elliptic Analyzing Systems 



L. B. Tuckerman Jr 157 



LINCOLN NEBRASKA 



"**% 



M 



