220 THE NEW KNOWLEDGE. 



going a devolution. Lockyer has found himself able to 

 construct a table similar to, and numbered like, that of the 

 stellar thermometer, page 209, in which the stars are 

 placed in the order of their intensity of temperature, and in 

 which every star is growing hotter. We present this 

 table of stars together with the elemental substances com- 

 posing them. 



1. An tares. 



Predominant. Flutings of manganese. 

 Fainter. Arc lines of metallic elements. 



2. Aldebaran. 



Predominant. Proto-calcium, arc lines of iron, calcium and 



manganese, proto-strontium, hydrogen. 

 Fainter. Proto-iron, proto-tintanium. 



3. Polaris. 



Predominant. Proto-calcium, proto-titanium, hydrogen, 

 proto-magnesium, proto-iron, and arc 

 lines of calcium, iron and manganese. 



Fainter. The other proto-metals and metals occur- 

 ring in the Sirian genus. 



4. ( ). 



5. alpha-Cygni. 



Predominant. Hydrogen, proto-calcium, proto-magnesium, 

 proto-iron, silicon, proto-titanium, proto- 

 copper, proto-chromium. 



Fainter. Proto-nickel, proto-vanadium, proto-manga- 

 nese, proto-strontium, iron. 



6. Rigel. 



Predominant. Hydrogen, proto-calcium, proto-magnesium, 



helium, silicon. 

 Fainter. Asterium, proto-iron, nitrogen, carbon, 



proto-titanium. 



