Species of the Family IcteridsB. ]59 



persicus the yellow colour reaches far beyond the coverts of 

 both surfaces^ especially in the external tail-feathers. 



3. Cassicus chrysonotus. 



Cassicus chrysonotus, d^Orb. et Lafr. Syn. Av. ii, p. 3 ; 

 d^Orb. Voy., Ois. p. 367, t. lii. fig. 1 ; Cass. Pr. Acad. Phil. 

 1867, p. Q7 ; Scl. P. Z. S. 1873, p. 781 ; Scl. et Salv. P. Z. S. 

 1879, p. 608. 



Cassiculus chrysonotus, Bp. Consp. i. p. 428. 

 Niger : dorso postico flavissimo ; rostro albo, pedibus nigris : 

 long, tota 13, alse 6'3, caudse 5'8. Fern. Mari similis, 

 sed minor : long, tota 9, alee 5*1, caudre 4'9. 



Hab. Bolivia, mountains of Yungas and Ayupaya [d^Orb.); 

 Tilotilo and Ramosani {Buckley) ; Southern Peru, Andes of 

 Cuzco [Whitely). 



This is a most distinct and unmistakable species, without any 

 yellow on the wings or tail. Cassin was not acquainted with 

 it, and consequently cast unnecessary doubts on its validity. 



4. Cassicus leucorhamphus. 



Xanthornus leucorhamphus, Bp. Att. Sc. Ital. 1843, p. 404. 



Cassiculus leucorhamphus, Bp. Consp. p. 428 ; Sclater, 

 P. Z. S. 1858, p. 552; Cat. A. B. p. 129. 



Cassicus leucorhamphus, Cass, Pr. Acad. Phil. 1867, p. 67 ; 



Scl. et Salv. P. Z. S. 1879, p. 509; Nomencl. p. 36. 



Niger, alarum tectricibus superioribus dorso proximis et dorso 



postico flavissimis ; rostro plumbeo, apice albo ; pedibus 



nigris : long, tota 11, alse 6*4, caudse 5*4. Fern,. Mari 



similis, sed minor : long, tota 9, alae 5, caudse 4"8. 



Hab. Colombia (Bogota) ; Antioquia (Salmon) ; Western 

 Ecuador, Matos [Fraser) ; San Lucas {Mus. S.-G.). 



This is also a distinct species, fully entitled to rank as a 

 typical member of the genus, although the bill is straighter 

 and less developed than in C. persicus and C. hcemorrhous and 

 its allies. It is not uncommon in " Bogota " collections, and 

 is also met with in those from " Quito. ^^ 



5. Cassicus albirostris. 



Japu negro y amarillo, Azara, Apunt. i. p. 269. 



Cassicus albirostris, Vieill. Nouv. Diet. v. p. 364, et Enc. 



