306 On Birds from British Guiana. 



243. Chasmorhynchus niveus. 

 Ampelis nivea, Bodd. Tabl. PI. Enl. p. 49. 

 Chasmorhynchus niveus, Scl. Cat. Am. B. p. 258. 

 Chasmorhynchus carunculatus (Gm.), Cab. in Schomb. 



Guiana, iii. p. 692. 



Bartica Grove, Merume Mountains, Atapurau River, 

 Roraima (3500 ft.). 



244. Chasmorhynchus variegatus. 

 Ampelis varieyatus, Gm. Syst. Nat. i. p. 841. 

 Chasmorhynchus variegatus, Salv. Cat. Strickl. Coll. p, 331. 

 Roraima (3500 ft.). 



245. Gymnocephalus calvus. 



Corvus calvus, Gm. Syst. Nat. i. p. 372. 

 Gymnocephalus calvus. Cab. in Schomb. Guiana, iii. p. 690 ; 

 Scl. Cat. Am. B. p. 258. 



Bartica Grove, Camacusa, Roraima (3500 ft.). 



246. Gymnoderus fcetidus. 



Gracula fcetida, Linn. Syst. Nat. i. p. 164. 

 Gymnoderus fvetidus, Cab. in Schomb. Guiana, iii. p. 691 ; 

 Scl. Cat. Am. B. p. 258. 



Not in Mr. Whitely's collection. 



247. Pyroderus scutatus ? 



Coracias scutatus, Shaw, Mus. Lev. p. 199. 



Pyroderus scutatus, Scl. Cat. Am. B. p. 259. 



Threiioedus rubricollis (Vieill.), Cab. in Schomb. Guiana, 

 iii. p. 690. 



Schomburgk^s specimens were named by Prof. Cabanis 

 T. rubricollis, a synonym of P. scutatus, but the bird should 

 probably be referred to the allied P. orenocensis. There 

 being no skins in Mr. Whitely^s collection I am unable to 

 decide the question. 



248. Cephalopterus ornatus. 



Cephalopterus oryiatus, Geoffr. Ann. Mus. xiii. pi. 15; 

 Cab. in Schomb. Guiana, iii. p. 691 ; Scl. Cat. Am. B. 

 p. 259. 



Not in Mr. Whitely's collection. 



[To be cuiitiinied.J 



