THE HEART OF THE ANTARCTIC 



Mock Suns and Moons, &c. 



No illustrations are available of the more complicated 

 displays of this kind observed on the western plateau. 

 There are some sketches of the simpler occurrences wit- 

 nessed at Cape Royds. Most commonly there were simply 

 two bright patches equi-distant on each side of the sun or 

 moon. These were not round mock suns and moons, as 



Lunar Halo, Bright Patches and Beam, June 12 



frequently reported in the arctic regions, but were bits 

 of a ring concentric with the sun or moon. Less frequently 

 a similar patch was visible right over the sun or moon. 

 Generally the ring connecting these patches could not be 

 seen, but occasionally it was visible, and on June 12 there 

 was a complete ring round the moon, accompanied by the 

 three bright patches, and the lower part of the ring was 

 between the observers and Mount Erebus. All these parts, 



3Y4 



