32 



07'der I 



to place for shelter, as they are the reverse of hardy. 

 The foreign range is complicated by the presence in the 

 Mediterranean of the more uniformly grey Marmora's 

 Warbler. 



Willow Wren 



The WiUow Warbler or Willow "Wren" (Phyllo- 

 scopus trochilus) is the commonest of three little yellowish 

 Warblers which appear very early in spring and leave 

 under ordinary circumstances in September. It is no 



