TETRAONIDTE. 



379 



When feeding, particularly early in the morning, and also 

 occasionally towards evening, they utter their harsh and 

 frequent calls, and these are often VesiDonded to by others 

 of the species who may be scattered at a distance in the 

 surrounding valleys. They feed upon small builds and 

 insects, and also swallow a considerable quantity of 

 gravel— 6'mith, '' Illus. of the Zool of S. Africa:' 



