268 
Scientific Proceedings, Royal Dublin Society. 
QUANTITATIVE SpecTRUM oF YTTRIUM CHLORIDE—continued. 
Linear 
Measure- 
ment, 
roo inch. 
399°6 
407°6 
414-6 
420-6 
424°8 
427°5 
428-2 
431-9 
440°6 
458-2 
475-1 
Linear 
’ 
Wave- Intensity Meat amone  SOAcee Intensity 
1 and ‘ and 
ength. Pons ment, length. ° 
ersistency. || 1 +17) Persistency. 
Too ich. 
3383°0 Au No. 15 482°1 2913°6 Au No. 19 
30281 20 » 602°3 2825°6 Au No. 20 
3280°8 Au No. 16 504°4 2817-1 30 x 
3242°5 20 w 521°8 2748°3 Au No. 21 
3216°8 10 x — Ss 
3200-4 8» 432°3 2460-7 4 
3195°8 8 446°3 2428-1 Au No. 30 
3173°4 5 448-9 2422°3 8x 
3122°9 Au No. 17 452-2 2414°8 15 x 
3029-3 Au No. 18 453°0 24132 Au No. 31 
2946-1 20 x 
| Dipymium. 
