

BIRDS IN THE FROST FOG 201 



another reason for their unwillingness to move in the 

 frost fog. Naturally they are the first to welcome its 

 departure. As the mist lifts from a Scotch hill-side, 

 the cock-grouse begin to crow ; and in the English 

 fields, the rooks caw, the small birds twitter, and the 

 cocks crow in the barn-yards. These sounds are as 

 certain to proclaim the lifting of the fog as the 

 " London cries " to begin when the rain stops. 



