2. HTDROCICHXA. 321 



a. Ad. sk. Java. Pm-chased. 



h. $ ad. sk. Gebbrok, Java, Dec. 1827 Gould Collection. 



(Leiden 3Ius.). 



c. cJ ad. St. Java. Purcliased. 



4. Hydrocichla frontalis. 



Enicnrus diadematus (>i07i Temm.), Blyth, J. A. S. Beng. xvi. p. 156 



(1S17). 

 Enicurus frontalis, Blyth, ut suprd. ; id. Cat. B. Mus. As. Soc. p. 159 



(1819) ; Bj). Consp. i. p. 251 (1850) ; Moore, P. Z. S. 1854, p. 284 ; 



Sorsf. 4- 3Ioore, Cat. B. E.I. Co. Mus. i. p. 346 (1854) ; Gray, 



Hand-l. B. i. p. 248, no. .3606 (1869). 

 Henicurus frontalis, JShves, Ibis, 1872, p. 259, pi. ix. ; Salvad. Ucc. 



Born. p. 259 (1874) ; Oates, Str. F. 1877, p. 248 ; Tweedd. Ibis, 



1877, p. 310; Hume ^- Davison, Str.F. 1878, vol. i. p. 360; Hutne, 



Str. F. 1879, pp. 65, 103 ; Sharpe, Ibis, 1879, p. 255 ; id. P. Z. S. 



1881, p. 798. 



Adult male. General colour above glossy black; wing-coverts like 

 the back, the inner greater coverts tipped with white ; bastard 

 wing, primary-coverts, and quills blackish brown ; secondaries 

 white at base, forming a large alar speculum, innermost secondaries 

 pure white ; lower back, rump, and upper tail-coverts pure white ; 

 tail-feathers blackish, tipped with white and conspicuously white at 

 base, two outer tail-feathers entirely white, the third blackish but 

 with increased white base ; forehead and sinciput white ; hinder 

 crown, occiput, and nape like back ; lores and sides of crown, 

 feathers round eye, sides of face, ear-coverts, cheeks, sides of neck, 

 throat, fore neck, chest, and breast black ; abdomen, flanks, thighs, 

 and under tail-coverts white ; under wing-coverts black ; asillaries 

 white, with black on the outer edge of some of them : lower greater 

 coverts white, tipped with dusky ; quills below dusky blackish ; base 

 of inner primaries and a large patch of the secondaries pure white. 

 Total length 8 inches, culmcu 0-85, wing 3'4, tail 3"G, tarsus I'l. 



The female is like the male but duller, and the throat and breast 

 rather browner black. Total length 8 inches, culmen 0-8, wing 3-45, 

 tail 3-5, tarsus 1-1. 



Toumj male. Yery much browner than the adult, with white 

 shaft,-streaks to the breast-feathers ; the white tips to the inner 

 greater wing-coverts tinged with ochraceous buff ; inner secondaries 

 tipped with white on the outer web : upper abdomen white, but 

 slightly mottled with dusky brown margins to the feathers adjoining 

 the breast. 



Hah. From South Tenasserim down the Malayan peninsula. 

 Borneo. 



a. $ ad.; b. (S]\x\. Malewoon, S. Tenas- E. W. Oates, Esq. 



sk. scrim. 



c, d. Ad. sk. Malacca. A. E. Wallace, Esq. [CI. 



e. (S ad. sk. Mount Ophu-, Ma- A. E. Wallace, Esq. | C.]. 



lacca. 



