162 Mr. Swainson on several new groups in Ornithology. 



species a genus." So far, indeed, is this from truth, that we 

 require many more, before even the descriptions of those species 

 already in our systems, can be rendered intelligible to modern 

 science. 



Warwick, I5th Nov. 182G, 



ORDER. INSESSORES. Figors. 



Family Laniadoe. 



Sub-jamily Laniana. 



CYCLORHIS. 



Mandibula siiperiore Icviter dentatd, subobtusa, Jiaribus rolun- 



dutis. 

 AlcB brevesy convexcB.^ rotundatw^ remigibus 4'", 5'", el 6<«, cequa- 



libuSf longissimis. 

 Cauda aqualis. 

 Pedes robusti. 



Upper »ja«f//6/e slightly t -othed, and rather obtuse. Wings short, 

 convex, rounded ; the fourth, fifth, and sixth quills longest, 

 and of equal length. Tail e\ en. JF'ee/ robust. 



Type. Tdnagra Giiianeiisis. Auct. Tropical America. 



NJLAUS. 



Rostrum mediocre^ siibgracile, culmine arcuato, 7nandibuld siipe- 

 riore fortiter denial a ; naribus ovalibus. 



Alee subattenuatcB ; remigibus 3tidy 4'«, et b^^'fere wcpiulibus^ lon- 

 gissimis. 



Cauda brevis, wqualis. 



Pedes graciles ; unguibus acutis. 



Bill moderate, somewhat slender ; culmen gradually hooked ; 

 upper mandible strongly toothed ; nostrils oval. Wings rather 



