226 



SYLVIAD.i:. 



flanks and under the tail : on each side of the head 

 two streaks of black, the one above the eyes, the 

 second beneath it, in the direction of the jaw : tail 

 much wedged : the two middle feathers three inches 

 long, the outer not more than three quarters of an 

 inch ; all of them pointed at the edges : legs dusky 

 black. 



GENUS CVII.— SYNALLAXIS, Vieillot. 



Rostrum gracile, acutura, 

 valde compressuni, basi 

 glabrum ; mandibula su- 

 perior subavcuata, inferior. 

 recta. 



Rictus glaber. 



Nares basales, oblongae, basi 

 plumosi. 



Pedes mediocres, validi, di- 

 git! exteriores aequales, ad 

 medii basin connexi. 



Alec brevissimse, rotundatas, 

 remex secunda brevissima. 



Cauda longissima, cuneata, 

 rectricibus latis acumi- 

 natis. 



Beak slender, acute, much 

 compressed, its base gla- 

 brous ; the upper man- 

 dible rather arcuated, the 

 lower straight. 



Gape smooth. 



Nostrils basal, oblong, plu- 

 mose at the base. 



Legs moderate, stout, the 

 outer toes equal, connected 

 at the base to the middle. 



Wings very short, rounded, 

 the second quill shortest. 



Tail very long, wedged, its 

 feathers broad and pointed. 



The birds of this genus are all natives of America : 

 like those of the last genus, they usually construct 

 their nests with great art. 



Sp. I. Sy. rutilans. Temm. PI. Col. 227./. 1. 



Sy. supra ventre in ferinre crissoque rufo-olivaceis ; capite, latcri- 



hus colli, pectore, tectricibusque alarum castaneo-rufts ; gutd 



maculA nigra. 



