﻿Dr. W. M. Watts on the Spectra of Carbon. 13 



Three faint lines. 



f 75 Wave-length 5160 



i 



75-6 



)i 



5152 





[76-4 



ii 



5140 





79-7 



a 



5065 



Triple. 



84 



)i 



4969 





84-2 



)j 



4960 



Double. 



Faint double 



line. 









r85-5 W 



ave-length 4947 







86-6 



>) 



4927 





Su 



87-3 



)t 



4911 





^88 



>) 



4900 





89-5 



)> 



4874 





1.90-3 



jy 



4860 



Double. 



T99-2 

 6 \996 





4730 

 4696 



Double. 



101 



}> 



4674 





102 



)) 



4656 





rio3 



a 



4646 





f | 103-5 



a 



T4637 

 ]_4632 





ri06 



j) 



4590 





a 



4585 





Five faint lines, of which the fourth is double and the fifth 



ti 



iple. 









6 119 , 5 i Wave-length 4417 Middle of rather wide line. 

 123-3 „ 4368 Most refracted edge of band. 



Perfectly black interval. 



125 Wave-length 4350 Least refracted edge of band. 

 Two fine lines. 



127 Wave-length 4320 Double. 

 1 133 „ 4272 Maximum of broad band 130 



to 134. 

 ("139-8 „ 4196 



^^140-4 „ 4192 



Three faint lines. 



146 Wave-length 4141 

 147-4 „ 4130 



Three faint lines. 



152 Wave-length 40921 



to to > Broad band, fine line at 4089. 



154 „ 4080J 



I have determined also the wave-lengths for two other car- 

 bon-spectra. 



