DUTCH BORNEO-EXPEDITION, 223 
Mahakkam, found in the undergrowth of high forest. — 
Iris red (in an immature specimen brown), eyelid, angle 
of the mouth and nasal groove orange-yellow, bill black, 
feet fleshy brown, soles ochre. — This smallest of all the 
species of this genus is easily recognized by the orange- 
yellow eyelid, the sulphur-yellow under wing-coverts, ashy 
white throat (never tinged with brown or olive), the more 
slender and shorter bill and the small size. 
Hab. From Tenasserim down the Malay Peninsula to 
Sumatra and Borneo. 
163. Pinarocichla euptilosa. 
Brachypus euptilosus Jard. & Selby, Ill. Orn. IV, pl. III (1825 ?); 
Salvad. Ucc. Born. p. 219. 
Criniger Suzanit (Mill.) Salvad. Ucc. Born. p. 207. 
Criniger tristis Briigg. Abh. Nat. Ver. Brem. V, p. 459 (1877). 
Pinarocichla euptilosa Sharpe, Cat. B. Br. Mus. VI, p. 62; Everett, 
L. B. Born. p. 112; Biittik. N. L. M. 1895/6, p. 246. 
Five specimens, collected in the forests on the western 
slope of Mount Liang Koeboeng, 700—800 m. above the 
sea, and eight specimens from the Upper Mahakkam. — 
Iris red, bill black, feet dark grayish brown. 
Hab. Malay Peninsula, Sumatra and Borneo. 
164. Mesolophus montis. 
Rubigula montis Sharpe, P. Z. S. 1879, p. 247; id. Ibis 1889, p. 276 
Everett, L. B. Born. p. 115; Sharpe, Ibis 1892, p. 433; Hose, 
Ibis 1893, p. 392; Sharpe, Ibis 1894, p. 543. 
Otocompsa montis Sharpe, Cat. B. Br. Mus. VI, p. 162. 
Mesolophus montis Biittik. N. L. M. 1895/6, p. 248. 
A single specimen, shot on the top-plateau of the Liang 
Koeboeng (1300 m. above the sea), in low forest. A very 
lively and noisy bird, constantly moving up and down its 
long black crest when in excitement. — Iris brown, bill 
and feet black. — This species is decidedly a mountain-bird. 
Hab. Borneo: Kina Balu, Mountains of Sarawak (Mt. 
Mulu and Mt. Dulit), and Liang Koeboeng. 
Notes from the Leyden Museum, Vol. XXI. 
