MR. W. CROOKES ON THE SPECTRA OF ARGON. 
THE Two Spectra of Argon—(continued). 

Blue. 
Red. 

Waye-length. 
Intensity. 

514-0 
506°5 
501-2 
500-7 
496°55 
493°8 
487-9 
484-75 
480°50 
476°30 
473-45 
47266 

465°65 
460°80 
458°69 
457-95 
45435 
450-95 
| 447-83 
| 442-65 
449-95 
439-95 
437-65 
436-90 
434-85 
433°35 
429-90 
427-70 
427-20 
426°60 
4.25°95 
42515 
422-85 
42010 
419-80 
419-15 
418°30 
416°45 
415°95 

413°15 
| 410°50 
| 407°25 
404-40 
403°30 
401-30 
39785 
396°78 


a i 
DOHTHODSDODNOSO 
i) 
STMOMDOOOANWOG Wwo 
— 
Wr OO CO 00 Ow 


Wave-length. 
Intensity. 

506°5 
5012 
4.96°55 
493-8 
487°9 
470°12 
462°95 
459°45 
451-40 
450°95 
43450 
433°35 
430°05 
427-20 
4.26°60 
425°95 
425°15 
420°10 - 
419-80 
419-15 
418°30 
41645 
415°95 
415°65 
404-40 

Soe AS 
co bo 
S50) or 
ws tO —& OO 
— 
= 
AOFPMDOS 

Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 
Coincident. 


MDCCCXCY.—A, 
249 
