Chase. } 
Wave-lengths. 
630.84 
613.50 
598.41 
591.61 
589.76 
564.54 
597.19 
546.61 
471.10 
630.49 
613.78 
598.72 
591.45 
589.76 
564.41 
557.18 
546.53 
471.03 
Wave-lengths. 
617.54 
611.69 
603.38 
578.95 
558.29 
550.42 
538.75 
533.55 
521.382 
300 
Antimony, K H. 
Quotients. 
1.0000 
1.0283 
1.0542 
1.0663 
1.0697 
1.1174 
1.1822 
1.1554 
1.3391 
ARSENIC, K. 
Quotients. 
1.0000 
1.0096 
1.0235 
1.0666 
1.1063 
alley, 
1.1462 
1.1574 
1.1846 
1.0000 
1.0273 
1.0531 
1.0660 
1.0691 
1.1171 
1.1316 
1.1540 
1.3385 
Theoretical. 
1.0000 
1.0270 
1.9540 
1.0675 
1.1165 
1.1350 
1.1553 
1.3375 
Theoretical. 
1.0000 
1.0093 
1.0244 
1.0653 
1.1096 
1.1217 
1.1461 
1.1585 
1.1826 
(Jan. 18, 
lta 
1+25 
1+7a 
1+ 90 
1+ 10d 
1+ 120d 
1+1%a 
14 15d 
The sixth quotient is also very nearly 1.1212 = 1-4 13a; o0r1l3a= 1005. 
Wave-lengths. 
650.24 
611.75 
603.08 
597.05 
585.51 
582.88 
578.51 
553.95 
552.40 
493.78 
490.20 
650.44 
612.15 
602.70 
597.58 
585.67 
582.77 
578.00 
554.06 
552.06 
493.57 
490.28 
Barium, K H. 
Quotients. 
1.0000 
1.0629 
1.0782 
1.0891 
1.1106 
1.1156 
1.1240 
1.1738 
ipaby gal 
1.3168 
1.3265 
1.0000 
1.0625 
1.0792 
1.0885 
1.1106 
1.1161 
1.1253 
1.1740 
1.1782 
1.3178 
1.3268 
Theoretical. 
1.0000 
1.0634 
1.0792 
1.0890 
1.1109 
1.1159 
1.1246 
1.1739 
1.1780 
1.3168 
1.8264 
1 
1+4a 
1+5a 
14 15¢ 
1+ia 
1+ 25 
1+ 21le 
143d 
1+ 30¢ 
1+ 20a 
1+ 55¢ 
The eighth quotient is also very nearly 1 4+ 11 a=1.1742; or 118 
= Bhi) 
Wave-lengths. 
641.38 
553.90 
552.57 
550.88 
641.39 
553.74 
552.38 
550.61 
Strontium, K H. 
Quotients. 
1.0000 
1.1579 
1.1607 
1.1645 
1.0000 
1.1583 
1.1614 
1.1649 
Theoretical. 
1.0000 
1.1592 
1.1610 
1.1647 
1+d 
1l+e 
1+ aa 
