224 CRATEROPODID.E. 



The wing is rounded ; the tail is about two thirds the length of 

 the wing and slightly rounded, and its coverts reach to about the 

 middle of the tail. The tarsus is strong and smooth. 



The birds of this genus are entirely arboreal, being found in 

 flocks traversing the highest trees. They are confined to the hilly 

 portions of the country, and feed upon both insects and berries. 



Key to the Speci.es. 



a. Tertiaries chestnut. 



'. Crown black P. erythropterus <$ , p. 224. 



b\ Crown bluish grey P. erythropterus $ , p. 224. 



b. Tertiaries golden yellow P. ceralatus rf , p. 225. 



c. Tertiaries green tipped with chestnut. ... P. ceralatus^ , p. 225. 



d. Tertiaries bluish grey or green. 

 c'. Crown greenish yellow. 



a". Nape bluish ashy. 



'". Tips of wing- coverts white .... P. melanotistf, p. 226. 

 b'". Tips of wing-coverts salmon- 

 colour P. melanotis , p. 226. 



b". Nape greenish yellow. 



c'". Tips of wing-coverts white .... P. intermedius J, p. 227. 

 d'". Tips of wing-coverts salmon- 

 colour P. mtermerfius $ , p. 227. 



d'. Crown blackish P. xanthochloris c? , p. 227. 



e. Crown dark grey P. .vanthochloris $ , p. 227. 



237. Pteruthius erythropterus. The Red-winged Shrike- Tit. 



Lanius erythropterus, Vigors, P. Z. S. 1831, p. 22 ; Gould, Cent. 

 pi. 11. 



Pteruthius erythropterus ( Viy.\ Blyth, Cat. p. 99 j Horsf. $ M. Cat. 

 i, p. 172 ; Jerd. B. I. ii, p. 245 ; Stoliczka, J. A. S. B. xxxvii, 

 pt. ii, p. 49 ; Godw.-Aust. J. A. S. B. xxxix, pt. ii, p. 108 ; Cock $ 

 Marsh. S.F.i, p. 356; Hume, N. $ JE. p. 389; Godw.-Aust. J. A. 

 S. B. xlv, pt. ii, p. 81 ; Hume, Cat. no. 609; id, S. F. xi, p. 243 ; 

 Oates in Hume's N. $ E. 2nd ed. i, p. 150. 



Pterery thrius erythropterus (Viy.\ Gadow, Cat. B. M. viii, p. 113. 



Fig. 67. Head of P. erythropterus. 



Coloration. Male. Forehead, crown, nape, lores, ear-coverts, 

 and under the eye black ; a broad white supercilium from the eye 

 to the nape ; upper plumage bluish grey, some of the upper tail- 

 coverts tipped black ; toil and wing-coverts black ; primaries and 

 secondaries dark brown, edged with glossy black and tipped white ; 

 tertiaries chestnut; lower plumage very pale greyish white, the 



