2734 



Birds. 



Description of Lanius Excubitorides, a new British Shrike ; and 

 Correction of an Error respecting Lanius borealis. By R. F. 

 Tomes, Esq. 



Since 1113' communication to the ' Zoologist ' on the occurrence of 

 the American shrike in Warwickshire (Zool. 2650), an opportunity has 

 occurred of comparing the specimen described with numerous descrip- 

 tions and specimens, and the result is a full conviction that it must be 

 referred to the species described and figured by Mr. Swainson, in the 

 ' Fauna Boreali- Americana,' under the name of Lanius Excubitorides. 



Lanius Excubitorides. 



A partial re-description, or comparison with our L. Excubitor, appears 

 necessary. In the first place, then, it has been stated that it may at 

 once be recognized by having one spot of white on the closed wing. 

 This is certainly necessary to determine the species, but it is not all 



