X.J 



THE " SERIES EVIDENCE. 



85 



and place the red in series spectra on the left, so that all the series 

 illustrations may be comparable inter se> 



Messrs. Eunge and Paschen have shown conclusively that when we 

 come to sort these lines out into series, there is just the same 



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HJ 



exquisite order that we find in flutings. Fig. 32 shows how they 

 have all been resolved into two sets of three series which gradually 

 get nearer together towards the violet and stronger towards the 

 red; the irregular line spectrum when analyzed in this way, is 

 translated into a wonderful order. I suggested many years ago that 



