SYLVIAD^, 



205 



the numerous described species under their respec- 

 tive natural genera ; I have therefore introduced such 

 only as appear to belong to the various groups pointed 

 out by Cuvier, Vieillot, and others, but have omitted 

 many of those described in the beautiful work of Le 

 Vaillant, as I have not the opportunity of consulting 

 it at the present time. 



Among these birds occur the most delightful song- 

 sters of the grove ; the Nightingale being the most 

 celebrated for its beautiful and melodious notes. They 

 usually subsist on insects, and construct their nests 

 in trees and bushes : some of them are gregarious, 

 and migrate on the approach of the cold weather to 

 warmer climates. 



GENUS XCVIIL— ACCENTOR. Brisson. 



Beak subconic, broader than 

 high at the base, straight, 

 acute, the margin inter- 

 nally deflexed : the upper 

 mandible rather curved to- 

 wards the tip. 



Wings moderate, with a spu- 

 rious feather: the first 

 quill longer than the 

 fifth, the second and third 

 longest. 



Sp. I. Ac. Alpinus. 



Sturnus Collaris. Steph. v. x. p. 487. — Britain and the Alps. 

 Sp. 2. Ac. montanellus. Temm. Man. cTOrn. 2 Edit. i. 251. 

 Ac. tufo-cinereus miniato longitudinaliter lineatus ; infra isabel- 



linus ; pectore Jusco variato ; superciliis Jlavis ; vertice occipite 



auribusque nigris, mas. ; autfuscis, foemina. 



Rostrum subconicum, basi 

 latius quam altior, rectum, 

 acutum, marginibus in- 

 trorsum deflexis; mandi- 

 bula superior ad apicem 

 subcurvata. 



Alee mediocres, penna spu- 

 ria : remex prima quinta 

 longior, secunda tertiaque 

 longissimas. 



