432 THE CHEMISTRY OF THE SUN. [CHAP. 



It was hoped in the eclipse of 1886 to acquire some information 

 regarding this point, but unfortunately a cloud prevented the 

 work specially undertaken with this object in view. Still, as 

 early as 1875, and later, in 1878, the photographs taken in these 



FIG. 127. Observation of the phenomena at the sun's north pole, 1878. (Lockyer. ) 



years suggested an upper outflow from the poles; and in 

 1878 my own eye observations suggested this strongly to me 

 before I had seen the photographs. 



FIG. 128. The appearances presented by the sun's poles in the American 

 photographs. 



The numerous photographs taken of the same eclipse show 

 this much better. 



