( 848 ) 



/?o 



Influence of a field of 39 Kiloj^auss. 



536.95 



537.15 



537.35 



537.6 

 537.8 



538.5 

 539.15 



539.7 



nari-ow 



safellile 



0.05 



narrow 

 feeble 



satellite 

 0.06 



narrow! 



satellite 

 some- 

 what 



stronger' 



than the 

 former 

 narrow 



0,09 



0.08 



give together, seen in the first order, a triplet, 

 flie components of which (from violet to red) are 

 resp. 0.10; 0.05; 0.07 (ifi, wide, the first 

 very faint, the last two stronger, and connected 

 by a shade ; the situation of the middles of 

 the first two is shifted resp. 0.44 and 0.14 f/ft 

 towards the violet, that of the last 0.05 {ifi 

 towards the red witli respect to the band 

 537.15 with field off. 



Seen in the second order the line 536.95 be- 

 comes a symmetric doublet, about 0.44 apart ; 

 the line 537.15 an asymmetric doublet, of which 

 the component on the red side is very heavy, 

 together give a ti-iplet, the components of which 

 (from violet to red) are resp. 0.08 ; 0.08; 0.10 fi/u, 

 wide, the first two strong, and connected by a 

 shade, the last very faint; the place of the middle 

 of the first component has moved 0.02 /jfi to- 

 wards the violet, that of the two following ones 

 resj). 0.07 and 0.34 jift towards the red with 

 respect to the original line 537.6. 



gives a doublet (not measured). 



gives a doublet, with components each 0.08 (.qi 

 wide, and distance of the middles 0.30 (in ; on 

 the violet side another shade is seen, where pos- 

 sibly a third component is found ; the middle of 

 the two lines of the doublet seems to have shifted 

 0.03 (III towards the violet with respect to the 

 original line 539.15. 



gives an asymmetric sextuplet of which the four 

 outer components are faint, and very narrow, the 

 two middle ones heavy, and resp. (from violet 

 to red) 0.06 and 0.03 nn wide, the distances of 

 the middles amounting resp. to : 

 0.045; 0.05; 0.11; 0.17; 0.035, total 0.41 ii(a. 

 The middle of the two outer components coin- 

 cides with the line with field off. The two com- 



