120 Sir Norman Lockyer. 



less refrangible side. Further, the spectrum, as a whole, greatly 

 resembles that of Nova Aurigse. 



One of the chief features of the principal blight lines is their great 

 width, amounting to 30 tenth-metres, and each is accompanied by a dark 

 line of considerable breadth on its more refrangible side. A comparison 

 spectrum of y Ononis, photographed alongside that of the Nova on one 



