30 



brown. She then sits on the nest most assiduously. 

 The male appears to relieve her at intervals, but of 

 this I am not sure. 



Young crows are just masses of naked ugliness, 

 but the parents watch over them as though they 

 were the most precious things in the world. Under 

 ordinary circumstances the nest is never left un- 

 guarded for a minute at a time. While the father 



is looking for food the 

 mother mounts guard, and 

 the moment he returns she flies off, 



