MR. A. FOWLER ON THE SPECTRUM OF MAGNESIUM HYDRIDE. 



461 



LESTER'S formula 



HALM'S formula 



CALCULATIONS of e Series. 



X m = 5183-364- 1-1 18m -0-08879m 2 ......... (1) 



X, n = 5183 -364- 1- 14475m -0- 08617m 2 ......... (2) 



X m = 5183-364-1 -0941m -0-094296m 2 + 0-0002808m 3 ... (3) 



X m = 5183-364-l-03835M-0-1011146m 2 + 0-00047434i 3 . . . (4). 



1 



5186- 428 - 



10-45245 



665)* 



+ 0-0006743 



(6). 



