45 
Wing g 248, mm.; 2 278 mm. ; above dark 
lead grey ; below greyish white ; tail with 
3 ashy bands. 
C. An ill-defined white collar on hind neck ; 
thighs nearly uniform brown, with slight 
remains of white cross bars. 
792. 
Astur collaris! (Kaup), MS. in Mus. Brit. Colombia, 
unde ; Scl., Ibis, 1860, p. 148, pl.6. [“" Nova Venezuela 
Granada’”’ = Bogota, type in Brit. Mus.} (Mérida). 
Semi-collared Sparrow-hawk. 
Wing ad. 180 mm.; immature ¢ (?) 162 
mm.; above sooty brown; head black ; 
tail with 5 darker bands; below white, 
broadly barred with rufous brown. Im- 
mature chestnut above ; head chocolate ; 
tail with 6 bands; below paler chestnut, 
with obsolete bars. 
D. With a well-defined rufous nuchal collar. 
93. 
94. 
Astur pectoralis Bp., Rev. et Mag. de Zool., Brazil, Guiana, 
1850, p. 490. [| Brazil.) Ecuador. 
Red-collared Goshawk. 
Wing ¢ 230, 9 278 mm.; above brown ; 
crown black, crested; tail with 4 black 
bands ; below, chest rufous, rest of under 
parts white barred with black. 
Astur natalis Lister, P.Z.S., 1888, p. 523. Christmas I. 
[Christmas I.| 
Christmas Island Goshawk. 
1 The adult bird has the foot and wing of Astuy rather than Accipiter, and as 
Iam unable to unite the two genera (both on account of the difference in the foot 
and the already unwieldly size of each genus) I have transferred this bird to Accipiter. 
