LETTER XXI 



Curious Behaviour of a Wagtail Difficulty of Accounting for Same 

 Rooks Drought Watering Plants Favourite Flower Bor- 

 der Advantages of a Raised Border E. W. Cooke, R.A. 

 Bog Garden Cypripedium Spectabile Buck-Bean Nuthatch 

 and Nut. 



30/// May, 1895. 



DEAR MARCO The following account of 

 the strange behaviour of a small bird will no 

 doubt interest you. At Mr. H. W. Wells's 

 house, Whitecross, which is half a mile from 

 Riverside, about three weeks ago, a wagtail 

 took to a persistent habit of flying up to one 

 of the upper windows and tapping repeatedly 

 and loudly with its beak against the glass. 

 The room to which this window belonged 

 was a nursery, and you may judge of the 



