q 
706 Scientific Proceedings, Royal Dublin Society. | 
List oF IRON LINES MEASURED AND IDENTIFIED IN THE SPECTRA 
oF Merroric Irons: WAVE-LENGTH ACCORDING TO KAYSER 
AND RUNGE’S MEASUREMENTS. 
DN ry r X 
5371-60 4045-90 0813-12 38682°35 
5330-90* 4005-33 3799-68 3680-03 
E 5269-65 3969-30 3798°65 3647-99 
5169-09 3930°37 © 37907138 3631-62 
5110-50 3928-05 3788-01 3618-92 
4482°35 3923-00 3765°66 38608°99 
4461-75 3920-36 376390 3087-10 
4427-44 3906758 3108.36 3086°24 
4415-27 3899-80 3749-61 N 3581-32 
4404-88 8895°75 3748-39 3570°23 
4383-70 3887717 3745°67 3065°50 
4376-04 3878°82 3743°45 300862 
4325-92 38/2°61 3737-27 3526-50 Ni here. 
G 4307-96 8867°33 3735°00 3521756 
4294-26 3860-03 8732754 3513°91 
4271-30 38856°49 M 3727-78 3497-92 
4250-93 3850711 { 3727713 3490-65 
4216-28 3840°58 3722°59 8476°75 
4202-15 3834°37 3720-07 3475°52 
4143°96 3826°04 3709°37 3465°95 
4132°15 8824°58 8708-03 O 3441-07 
4071-79 L 3820°56 3707718 3440°69 
4063°63 3815°97 3687°77 
Lines or Nicket 1n Merroric [rons: WAvVE-LENGTHS ACCORD- 
Inc To LivEInGc AND Dewar. 
r r r r 
8857°8 38565°7 3461-1 3390°4 
3806°6 8547°5 3457-9 3380-0 
3783°6 38523°9 38452°3 33/373 
3775°0 8519°1 3445°7 Ba 8}. 
3618°8 8514-4 8436°7 3368-9 
3612-1 3509-7 R 3433°0 3836074 Appear as 7" 
3609°8 8492°3 8423-1 on one line. 
3097°0 3483°1 38413°8 38319°7 
8071°2 3471-9 38412°9 8815°1 
Lingss oF Cospatt 1n Merroric Trons: Liveinc anp DEWAR’S 
WAVE-LENGTHS. 
x N 
4119°4 3533°6 
3995-4 3529-9 
3575°7 3529-0 } Very (sirong. 
3575°3 3526-9 Possibly two 
3569-7 3502°2 ponehe 
* Not identified on Kayser & Runge’s map: possibly it is 5330°15, but in our 
spectra there is a diffuse band of rays hereabouts, and apparently several feeble line 
or edges of bands, which are difficult to measure. 
