1883.] On the Solar Spectrum and Solar Temperature. 335 



lent of about 5-J inches of water between the sun and the spectro- 

 scope. The dotted cnrve was taken on a day which was drier, but 

 on which the sky was a little hazy. 



The following is a table of the ordinates of the continuous curve of 

 Diagram III. 



Scale No. 



Rea dings. 



Scale No. 



Readings. 







18 



3-5 



35 



04 .... 



20 



3*75 



38-5 



i 



26 



4 , , 



, 34 



i| .... 



. 28-3 



H .... 



34 



2 



31 



4i .... 



41 



H .... 



36 -5 



4 .... 



40 



n .... 



37 



5 



34 -5 



3 



35-5 



5i .... 



29 -5 



3-3 ... 



33 



5-5 ... 



29 



