360 Mr. Swainson on several new groups in Orniihologi/, 



SETOPHAGA. 



Rostrum parvum ; culmine carinato. 



Al<z mediocres ; remigibus lf»^ et 4'« aqualibus, W et 3''« aquali- 



bus^ longissimis. 

 Cauda sub-elongata, rotiindata. 

 Pedes graciles^ tarsis squamis anterioribus divisiSy lateralibus iti" 



tegris. 



Bill small, culmen carinated. TVings moderate ; first and fourth 

 quills equal, second and third equal and longest. Tail rather 

 lengthened, rounded. Feet slender, anterior scales divided, 

 lateral scales entire. 



Type. Muscicapa ruticilla. Linn. 



I already know of four other species belonging to this group, 

 all of which inhabit the temperate regions of America. It repre- 

 sents, in the new world, the Australian genus Rhipidura, just 

 characterized by Dr. Horsfield and Mr. Vigors, an affinity mani- 

 fested by the observations of Wilson. 



Family Columbida, 

 PERISTERA. 



Rostrum gracile^ sub-emarginatum. 



Aloe rotundatce; remige prima brevi^ abrupte atienuatd; ^^^ et 



b^afere cequalibus, Stia et 4^« cequalibus^ longissimis. 

 Cauda rotundata. 

 Pedes fortes^ nudi^ sub-elongati; tarsis squamis anterioribus im- 



bricatisy lateralibus nullis. 



Bill slender, sub-emarginate. Wings rounded, the first quill 

 short and abruptly attenuated, second and fifth equal, third 

 and fourth equal and longest. Tail rounded. Feet strong, 

 naked, somewhat lengthened ; anterior scales of the tarsi im- 

 bricate, lateral scales none. 



Type. Col. cinerea, Temm. 



