Mr. Swainson on several new groups in Ornithologi/. 349 



Cauda gracilis, graclafa, vel rotundata ; rectricibiis angusfis, 



attenuatis. 

 Pedes graciles, longiuscuU; ungiiibus gracilibus subcurvatis ; 



halluce jrroducto. 



Bill moderate, strong, conic, slightly notched ; commissure sinu- 

 ated, the base angulated. Wings short, rounded ; the first 

 and fifth quills equal ; the second, third, and fourth equal and 

 longest. Tail slender, graduated or rounded, the feathers 

 narrow and pointed. Feet slender, lengthened ; nails slender, 

 that of the hind toe rather long. 



Type. Fringilla caudacuta. Wilson, 4. PI. 34. f. 3. 



This is a very remarkable group, comprising no less than six 

 species, now before me. It occurs both in North and South 

 America, and insensibly leads to another genus closely approxi- 

 mating to the European Sparrow, but whose characters I have 

 not yet sufficiently investigated. 



AMADINA. 



Rostrum breve, magnum, conicum, immarginatum. 



Ala breves, rotundatx ; remige \md spuria, minuta, 2<^ et Stiafere 



aqualibus, longissimis. 

 Cauda brevis, aqualis vel subrotundata. 



Bill short, large, conic, entire. Wings short, rounded ; the first 

 quill spurious and very small ; the second and third nearly 

 equal and longest. Tail short, even, or slightly rounded. 



Type. Loxiafasciata. Gmelin. Brown, 111. of Zool. PI. 27. 



ESTRILDA. 



Rostrum breve, conicum, imtnarginatum. 



Al<e breves, rotundal<£ ; remige \ma spuria, minuta, 3'*', A^^, et 



5'« aqualibus, longissimis. 

 Cauda subelongala, gradata. 



