1884 .] Bright Lines in the Spectra of Fixed Stars. 483 
November 23rd D 3 and H a were again visible, though faintly, 
whilst H^was tolerably distindt. 
On November 28th, though the atmosphere was very 
much perturbed and the constellation low in the heavens, 
Hy3 and H a were easily perceived, and even H Y was often 
suspedted, whilst, in spite of all attempts, D 3 remained 
invisible. 
It need scarcely be said that the key to these anomalies 
can be found only by a multiplication of observations in the 
most favourable localities. 
