39. AdViLA. 249 



in plumage. Total length 29 inches, culmen 2-4, wing 21'4, tail 

 11-8, tarsus 4-2. 



Adult male. Rather smaller than the female. Total length 26-5 

 inches, wing 20-5, tail 10-5, tarsus 3-9. 



Young male. Above brilliant purplish brown, the head and neck 

 rather duller, with lanceolate apical streaks of dingy buff on the 

 nape and hind neck ; wing-coverts purplish brown like back, with 

 a few duU white longitudinal streaks on the median coverts, much 

 larger and forming distinct oval spots on the primary and greater 

 coverts, also very distinct and forming longitudinal oval spots at the 

 tips of the scapulars ; quills blackish, the secondaries rather browner, 

 with obsolete blackish bars, and distinctly spotted with the same 

 oval markings as the scapulars ; lower back and rump with distinct 

 triangular spots of ochraceous buff, the upper tail-coverts almost 

 uniform buffy white ; tail-feathers blackish, shading towards the end 

 into brown, and tipped with whity brown, crossed with three or four 

 blackish-brown bars near the tips ; under surface of body blackish, 

 the chin browner, the breast streaked with pale brown down the 

 centre of the feathers, rather more ochraceous on the abdomen and 

 leg-feathers; under tail-coverts ochraceous buff; under wing. coverts 

 uniform blackish, the axillaries rather browner ; the lower series of 

 under wing-coverts ashy brown, like inner lining of wing, and con- 

 spicuously white at base like the primaries. Total length 26 inches, 

 wing 20, tail 10, tarsus 3-9. {^Alhania, mus. H. E. Dresser.) 



Hah. South-eastern Europe, very rarely extending into Poland 

 and Germany ; ranging eastwards into Siberia and India. 



R. B. Sharpe, Esq. [P.], 

 Dr. Strader [0.1. 

 Dr. Strader [0.]. 

 K. Loftus, Esq. [P.l. 

 K. Loftus, Esq. "P. J. 

 Dr. Jerdon [P.]. 

 B. H. Hodgson, Esq. [P.]. 

 R. B. Shai-pe, Esq. [P.]. 



40. NISAETUS. 



Type. 



Nisaetus, Hodgs. J. A. S. B. v. p. 227 (1836) N. fasciatus. 



Eutolmaetus, Bhjth, J. A. S. B. xiv. p. 174 (1845) N. fasciatus. 



Butaetus, Blyth {I. c.) nee Less N. pennatus. 



Hieraetus, Kmtp, Mies. Senckenh. iii. p. 260 (1845) N. pennatus. 



Tolmaetus, Blyth, J. A. S. B. xv. p. 5 (1846) N. fasciatus. 



Pseudaetus, Bp. Cat. Ois. Eur. Parzud. p. 1 (1856) N. fasciatus. 



Aquilastur, Brehm, Ber. Orn. Veis. Stuttg. 1860, p. 53 ... . N. fasciatus. 



Range. The whole of Africa; countries bordering the Mediter- 

 ranean ; the whole of India and Ceylon ; Australia. 



Key to the Species. 



a. Breast pure white, streaked with black. 



a. Primaries banded below : greater series of 



under wing-coverts blackish fasciatus ad., p. 250. 



