368 FALCONIDJ!. 



Hierax fringillarius, Blyth, Cat. B. Mus. As. Soc. Beng. p. 17 (1849); 



id. Ibis, 1863, p. 11 ; Wald. Ibis, 1871, p. 161. 

 Hierax melanoleucus, Horsf. Sf Moore, Cat. B. Mus. E. I. Co. i. 



p. 16 (1854, wee Blyth). 



Adult. Above deep blue-black, with a very faint greenish tinge in 

 some examples ; quills and tail black, barred with white on the 

 inner web ; forehead and a broad stripe from behind the eye down 

 the sides of the neck white; lores, feathers round the eye, ear- 

 coverts, and hinder parts of cheeks black ; fore part of cheeks and 

 underparts silky white, the throat slightly, the abdomen and under 

 tail-coverts more richly washed with ochre ; sides of body, flanks, 

 and outer face of thighs glossy black ; bill and feet horn-brown ; iris 

 dark. Total length 6-1 inches, culmen 0-5, wing 3-9, tail 2-3, 

 tarsus 0-85. 



Young. Like the adult, but has the bill yellow, horn-brown at 

 tip, the forehead, cheeks, and streak down the sides of neck tinged 

 with orange, the upper tail-coverts and tail-feathers margined with 

 orange-buff. 



Hah. Malayan peninsula ; Java ; Sumatra ; Borneo. 



3. Microhierax melanoleucus. 



Hierax cserulescens, Blyth, J. A. S. B. xi. pt. 1, p. 789 (1842). 



Hierax melanoleucus, Blyth, J. A. S. B. xii.pt. 1, p. 179* (1843); 

 id. Cat. B. Mus. As. Soc. Beng. xix. p. 324 (1849) ; id. J. A. S. B. 

 xix. p. 324 (1850) ; Blyth, Ibis, 1863, p. 10, and 1865, p. 29 ; Gray, 

 Hand-l. B. i. p. 24 (1869) ; Jerd. Ibis, 1871, p. 243. 



Adult. Above entirely glossy greenish black, the wings and tail 

 uniform with the back, the latter tipped with white and marked on 

 the inner web with four white bars ; quills lighter and more ashy 

 below, and marked with numerous white bars on inner web ; a 

 narrow frontal line and a distinct eyebrow running down the side 

 of the neck white ; cheeks and ear-coverts greenish black ; entire 

 under-surface, including the thighs as well as the under wing- and 

 tail-coverts, white ;" biU and feet black ; iris dark. Total length 6-8 

 inches, culmen 0-5, wing 4-2, tail 2-9, tarsus 0-95. {Mus. Walden.) 



Hah. Assam and Kachar. 



