172 Mr. Swainson on several new groups in Ornithology. 



I believe this form is pecuUar to Africa : several new species 

 have been discovered in that country by my valued friend Mr. 

 Burchell, now engaged in exploring the Forests of Matto Grosso, 

 and the Cordelleras of Peru. 



** Rostrum breve^ rectum, depressitm, culmtne subrecto, rictu 

 barbato. 



-FLUVICOLA. 



Mce elongatcB, remigibus Ida et 3'*" cequalibuSy longissimis. 

 Cauda mediocris, subrotundata. 



Pedes graciles, tarsorutn squamis anterioribus dhisis, lateralibus 

 obsoletis. 



JF/wflf5 elongated ; the second and third quill equal and longest* 

 Tail moderate, slightly rounded. Legs slender; anterior 

 scales of the tarsi divided, lateral scales obsolete. 



I cannot with any certainty, quote a typical example of this 

 new form, of which I possess two distinct species from Brazil. 



SAXICOLA. Bechst. 



Aloe breviusculcB ; remige I'""' breti, l^a^ $tid, 4ta^ ^td^ et 6ta 



cequulibusj longissimis. 

 Caicda i-otimdata. 

 Pedes lojigi, graciles, tarsorum squamis omnibus integris. 



Wings rather short ; the first quill short, the third, fourth, fifth, 

 and sixth equal, and longest. Tail rounded. Legs long, 

 slender; all the scales of the tarsi entire. 



Type. Motacilla rubecola. Linn. 



This type occurs both in Europe and Africa. 



