26 On the Distribution of Birds in Great Britain. 



Throughout England ; and in Scotland ranges further north 

 than the Chiff-Chaff, having been observed by the Duke of 

 Argyll in Argyleshire and at Balmoral. Mr. T. Edward has seen 

 the bird in Banffshire ; and Mr. J. Lamb tells me that it is com- 

 mon round Perth, where Mr. A. Pullar has also found the nest. 



Sylvia trochilus {Lath.). Willow Wren. 



Provinces I.-XVII. 

 Subprovinces 1-35. 

 Lat. 50°-59°. "British'' type, or general. 



Throughout Great Britain, becoming less numerous in the 

 north of Scotland. Found plentiful in Sutherland by Mr. Selby ; 

 and is reported by Mr. W. Dunbar as nesting regularly in Boss, 

 Sutherland, and Caithness. 



Sylvia rufa {Naum.). Chiffchaff. 



Provinces I.-XIV. 



Subprovinces 1-25, 26-28. 



Lat. 50°-56°. "EngUsh" or Southern type. 



Throughout England and Wales, and in a few counties of the 

 south of Scotland. Sir W. Jardine marks the Chiffchaff as 

 nesting sparingly in Dumfries. Mr. R. Gray finds it nesting 

 near Glasgow; and the Rev. J. Duns tells me that the bird is 

 well known in Berwickshire. 



Macgillivray speaks of its having been seen in various parts 

 of Scotland, especially the Lothians, where it is very rare. The 

 bird is included in the 'Natural History of Dee-side,' on the 

 authority of Mr. Brown, who describes it as occurring very 

 rarely near Abergeldie and Micras. 



Sylvia undata (G. R. Gray). Dartford Warbler. 



Provinces L-III. v.? VIII.? 



Subprovinces 1?, 2-9, 14?, 20? 



Lat. 50°-52°. " English " type, or Southern. 



Confined apparently to a few counties of the extreme south 

 of England. Montagu mentions its occurrence in Cornwall. 



