ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 121 
| oe me Perot and Fabry 
Tron Are Solar Spectrum 
3606-681 
3556°879 
13-820 
3485°344 
45°155 
3399°337 
70°789 
Kayser 
Tron Are 
3606-836 
05-619 
3599-781 
94:767 
87°137 
85-478 
81:348 
70:257 
65°535 
58672 
53°898 
45°793 
40:287 
36694 
29-960 
26°822 
26196 
21°415 
13°974 
08-663 
08-627 
06-650 
00-716 
3497-989 
90-721 
85-496 
83-159 
76-850 
75600 
71:497 
71:413 
66-006 
60-067 
58:454 
50-484 
45-301 
44-025 
41138 
40-762 
27°263 
24-430 
18-649 
13-275 
06-938 
06-578 
3399-468 
977117 
94-721 
89-882 
84-113 
80-242 
78814 
67-675 
66-993 
66-917 
55-355 
STANDARD LINES—continued. 
Previous Measurements 
(Solar Spectrum) 
Rowland 
3606°831 
05-635 
3581°344 
70:225 
65:528 
58-670 
40-266 
44-032 
41-135 
40-759 
06-955 
06-581 
3389°887 
27-282 (3427-279 in arc) | 
