46 



Mr Waran, The effect of a magnetic field 



and corresponding to these wave lengths mercury lines are recorded 

 by* Stiles, Eder, Valenta, Arons and Hermann. But Arons and 



Fig. 1. 



Hermann have not recorded the line 6152, while Stiles records it 

 as of equal intensity with the line 6234. Eder and Valenta have 

 not observed the latter lines at all, but record the line 6152 as 



* Kayser, Handbuch der Spectroscopie, Band v. p. 538. 



