THE ROBIN 393 



are shy about that, though we do know, as a matter 

 of fact, where the sparrows have their crowded 

 dormitory and where the blackbird sleeps fitfully. 

 The robin retires far later than they. He is " tick- 

 ticking" about after the lamps are lit, and in the 

 dusk his olive-green livery is nearly invisible. At 

 last, the little moth-like shadow melts into the gloom 

 and does not reappear. Somewhere or other, apart 

 from the rest of the bird population we may be 

 sure, the robin tucks his head under his wing and 

 sleeps. 



