HIRUNDINIMJ. 149 



WREN. (Troglodytes Europaus.} 

 Common. 



NUTHATCH. (Sitta Europaa.) 



Fairly common. Common where any large trees are 

 found. 



CUCULID.E. 

 CUCKOO. ( Cuculus canorus.) 



Common. 



HALCYONID^E. 



KINGFISHER. (Alcedo ispida.) 

 Rare ; but occasionally seen in the Park. Three since 



1873. 



HIKUNDINID.E. 



SWALLOW. (Hirundo rustica.) 

 Common. 



MARTIN. (Hirundo urUca.) 

 Common. 



SAND MARTIN. (Hirundo riparia.) 



Seldom seen close round Harrow ; the nearest place 

 where they build is the Chalk Pits, at Pinner, 

 o 2 



