Order II. PASSERES. 



The third Tribe, 



DENTIROSTRES, or Toothed-billed Birds, 



embraces a numerous series of birds that have the tip of the upper mandible more or less emarginated 

 and hooked ; the Tarsi vary in length, but are mostly slender, and covered with broad scales ; the Toes 

 generally long, with the outer toe more or less united to the middle one at the base. 



The first Family, 



LUSCINID^E, or Warblers, 



have the Bill subulate, more or less slender and straight, with the tip of the upper mandible curved and 

 emarginated ; the base sometimes broad, but the sides always compressed towards the tip ; the Nostrils 

 basal, and placed in a membranous groove, with the opening exposed : the Wings more or less long, 

 sometimes rounded and sometimes pointed : the Tail of various lengths, truncated at the end, or 

 rounded, and sometimes graduated: the Tarsi more or less long, always slender: the Toes varying 

 in length, with the outer toe more or less united to the middle toe : the Claws curved and acute. 



The first Subfamily, 



MALURINiE, or Soft-tailed Warblers. 



have the Bill moderate, more or less slender and straight, with the tip of the upper mandible curved, 

 and sometimes emarginated ; the sides compressed ; the nostrils basal, and placed in a membranous 

 groove, with the opening exposed : the "Wings short and rounded : the Tail more or less lengthened, 

 and rounded : the Tarsi generally long and slender : the Toes more or less long, and always slender ; 

 with the outer toe united to the middle one at the base ; the hind toe long, and armed with a strong 

 claw. 



Orthotomus Horsf.* 



Bill rather long, straight, and slightly depressed at the base, with the culmen slightly curved at the 

 tip, which is entire ; the lateral margins straight and infiexed ; the nostrils basal, pierced in a broad 

 membranous groove, with the opening longitudinal. Wings rather short, and rounded ; with the first 



* Established by Dr. Horsfield in 1820 {Linn. Trans, xiii. p. 165.). 



