262 BIRDS OF THE 
Motacillidae. 
230. Henicurus borneensis. 
Henicurus borneensis Sharpe, Ibis 1889, p. 277; Everett, L. B. Born, 
p. 100. 
A small number of this species were collected on the 
western slope of the Liang Koeboeng, near my station 
» Poenan-grot’”’, at an altitude of 700—800 meter, and another 
at a less considerable height on the Liang Gagang (800 m.) 
south of Nanga Raoen. — Iris dark brown, bill black, 
feet (claws included) rosy white. 
This Bornean representative of the genus Henicurus stands 
between the very closely allied H. Leschenaulti (Vieill.) from 
Java and H. sinensis Gould from China, From the first it 
differs by the shorter and posteriorly rounded white crown- 
patch, and from the latter by the narrower tail-feathers 
which are broadly tipped with white like in H. Leschenaulti, 
while in H. sinensis they show a rather narrow, oblique 
terminal bar. Curiously enough the reddish wash on upper 
and under tail-coverts, recorded by Dr. Sharpe in his 
diagnosis of the Bornean species, is entirely wanting in all 
my above-mentioned specimens, these parts being pure white. 
A young female (nearly full-grown) has the top of the 
head uniformly colored with the back; chin and upper 
throat are white with a slight fulvous tinge, while chest 
and breast are sooty brown with white shaft-streaks, 
As to the habits of this bird I have nothing to add to 
what is told by Mr. Charles Hose (Ibis 1889, p. 277). 
Hab. Central, North-Western and Northern Borneo. 
231. Hydrocichla frontalis. 
Enicurus frontalis Blyth, Journ, As. Soc. Beng. XVI, p. 156 (1847). 
Henicurus frontalis Salvad. Uce. Born. p. 258. 
Hydrocichla frontalis Sharpe, Ibis 1889, p. 278; Everett, L. B. Born. 
p. 100. 
An adult female from Long Bloe, Upper Mahakkam. — 
Notes from the Leyden Museum, Vol. X XI. 
