Mr. Swainson on several new groups in Ornilhologt/. 165 



hibits an osculant form between the present Campephagce, and 

 the aberrant forms of the subfamily Tyrannina. Three species, 

 all undescribed, are in my possession. 



-PITANGUS. 



Rostrum magnum. 



Alee mediocres^ remigum pogoniis internis immarginatis, apice 



obtusis. 

 Cauda cequali's. 

 Pedes subbrevesyfortes. 



Bill large. Wings moderate, the quills entire, and their ex- 

 tremities obtuse. Tail even. Feet rather short, robust. 

 Type. Tyr annus sulphur atus. Vieill. Ois. de L'Am. pi. 47. 



-TYRANNUS. 



Rostrum subbreve^forte^ depressnm. 



Aloe clongaf(e.f remigum pogoniis internis abr up le emarginatis. 



Cauda mediocrisjfere cequalis. 



Pedes breves. 



Bill rather short, strong, depressed. Wings lengthened ; the 

 quills internally abruptly emarginate. 7*0/^ moderate, even, or 

 slightly forked. 



Type. Tyrannus intrepidus. Vieillot — Wilson, 2. pi. 13. f. 1. 



Sub-family Tyrannina. 



-MILVULUS. 



Rostrum breve ; culmine depresso, redo. 



Alee elongatee, remigum pogoniis internis ad apiccm emarginatis^ 



vel attenuatis. 

 Cauda longissima^ furcutu. 

 Pedes breves. 



