45 



Wing cJ 248 mm. ; ? 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. 



*92. Astur collaris'^ (Kaup), MS. in Mus. Brit. Colombia, 



mide ; Scl., Ibis, 1860, p. 148, pi. 6. [" Nova Venezuela 



Granada " = Bogota, type in Brit. Mus.] (Merida). 

 Semi-collared Sparrow-hawk. 



Wing ad. 180 mm. ; immature c? (?) 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. Astur pectoralis Bp., Rev. et Mag. de Zool., Brazil, Guiana, 

 1850, p. 490. [Brazil.] Ecuador. 



Red-collared Goshawk. 



Wing <S 230, ? 278 mm. ; above brown ; 

 crown black, crested ; tail with 4 black 

 bands ; below, chest rufous, rest of under 

 parts white barred with black. 



94. Astur natalis Lister, P.Z.S., 1888, p. 523. Christmas 1. 

 [Christmas /.] 

 Christmas Island Goshawk. 



^ The adult bird has the foot and wing of Astur rather than Accipiter, and as 

 I am 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 j^t££f>iter. 



