THE SOLAR HALO. 



The silvery sheet of Cirro-stratus covers the sky, and a shining circle of light is formed by the sun's rays passing through the 

 ice-crystals which form the cloud. The sun forms the centre of the circle, and is just under the edge of the dark cloud. 



Photoshy'] [(7. A. ClarJce. 



THE THUNDERCLOUD. 



The Cumulus-nimbus is the grandest and most massive of all clouds. The one shown is commencing to dissipate in a 



heavy shower, as nr)ay be seen at the left of the picture. 



