Lyman. — False Spectra. 



PLATE I. 



A 02790 Displaced Spectrum 



x^_ : ..■ir n_ in 



A 275o Normal Spectrum 

 MAGNESIUM 



PLATE II. 



__ A, A 2 b, C, C; D; Ej A 3 A^b£ 4 



Ql ; ! i 'iLj ~T I I 



1873 924 



MAGNESIUM 



PLATE III. 



