Nightingale s Notes. 



143 



The pauses grew shorter and shorter as we sat and 

 listened. At first, despite the notion of a challenge, 

 there was more of a complaining plaintive air, varied 

 only now and then with trills, gurgles, penetrating rolls, 



and half-whistles (we cannot describe that indescrib- 

 able music, though its subtlely pertinacious, penetrat- 

 ing sweetness is found in no whistle). .Gradually the 

 tones grew deeper, fuller, richer, as though the mere 



